Table Of Content

SUBJECT INDEX CONTROL THEORY SUBJECT INDEX Accuracy Improved Proportional-Integral (PI) Logic for Canal Au- Channels, waterways Rating Adjustment for Settlement of Cutthroat Flumes, tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V. Side-Weir Flow in Curved Channels, Hayrullah Agac- Steven R. Abt, Bryan C. Ruth and Eric M. Skowron, Ruiz C., IR Jan./Feb. 98, p53-57. cioglu and Yalcin Yiiksel, IR May/June 98, p163-175. IR Nov./Dec. 98, p311-315. Influence of Canal Geometry and Dynamics on Control- Characteristics Agricultural economics lCalbielmitmye, nTs. Sa.n dS tJr.e lPk.o fBfa, umJ.e ,L . IDRe lJtaonu.r/,F ebC.. M9.8, Bpu1r6t-,2 2A.. J. Evaluation of Time-Rated Infiltration Families for Non- Irrigated Cropping Optimization, H. O. Carvallo, E. A. cracking Soils, B. L. Maheshwari and D. Kelly, IR Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ Test Cases for Canal Control Algorithms, A. J. Clem- July/Aug. 97, p238-245. Apr. 98, p67-72. mIeRn sJ,a n.T/.F ebF.. K9a8c, epr2e3k-,3 0B.. Grawitz and W. Schuurmans, Two-Phase-Reactive Solute-Transport Simulation in Un- Agricultural engineering saturated Zone, Sulekha, D. Kashyap and W. H. M. Refining the Definition of Field Capacity in the Litera- Bed material Duijnisveld, IR May/June 98, p140-147. ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. Global Identification of Surface Irrigation Parameters, Chemicals Scott A. Yost and Nikolaos D. Katopodes, IR May/ Agriculture June 98, p131-139. Nonhydrostatic Model for Surface Irrigation, Scott F. Use of Rubber Dams for Flood Mitigation in Hong Kong, Bradford and Nikolaos D. Katopodes, IR July/Aug. 98, Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. Border irrigation p200-212. Algorithms Estimation of Surface Volume in Hydrological Models Circular channels CanRaolg erCso ntarnodl JeAalng oGroiutshsmasr d,C uIrRr eJnatnl.y/ Feibn. U9s8e,, p1D1a-v1i5d. C. fBoarr raBgoarnd,e r IR IrSreipgta.t/iOocnt, . J9o8a,q upi2n3 8-M2o4n7s.e rrat and Javier ChoBkeed- FrEelee vatFiloonws , in SCuibrhcausliasrh ChDaenyn,e lsI R wiNtho v.I/nDcerce.a se 98i,n Classification of Canal Control Algorithms, Piere Boussinesq equations p317-320. Olivier Malaterre, David C. Rogers and Jan Schuur- Comparison of Numerical and Analytical Solutions of Classification mans, IR Jan./Feb. 98, p3-10. Boussinesq Equation in Semiinfinite Flow Region, A. Classification of Canal Control Algorithms, Pierre- Development and Evaluation of Canal Automation Algo- Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Olivier Malaterre, David C. Rogers and Jan Schuur- rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- p265-270. mans, IR Jan./Feb. 98, p3-10. terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Response of Unconfined Aquifer to Sudden Change in Closed loop systems Feb. 98, p40-46. Boundary Head, D. A. Lockington, IR Jan./Feb. 97, Global Identification of Surface Irrigation Parameters, p24-27. IntJreoadnu-cLtiuocn Doefl tSomuirt h anPdr edFircatonrc k inStoa nfDiylnipapmoi,c IRRe gJualna.t/iFoenb,. Scott A. Yost and Nikolaos D. Katopodes, IR May/ Bridge construction 98, p47-52. June 98, p131-139. Improved Proportional-Integral (PI) Logic for Canal Au- Construction Forum, SC Feb. 97, p9-15. Community relations tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V. Canal design Construction Forum, SC Feb. 97, p9-15. Ruiz C., IR Jan./Feb. 98, p53-57. Influence of Canal Geometry and Dynamics on Control- Computation TesmIte Rn CsJa,a sn.eT/s.F ebFf..o r K9a8Cc,a enpra2el3k -,3 C0o.Bn. t rGorla wiAtlzg oraintdh mWs., SAc.h uJu.r mCalnesm,- lCalbielmitmye, nsT. Sa.n dS tJr.e lPk.o fBfa, umJ.e ,L . IDRe lJtaonu.r/,F ebC.. M9.8, Bpu1r6t-,2 2A.. J. GraFdouraml,l y DavViadr ieGd. RFhloodwe s, SoIlRu tJiuolnys /Auign. N9e8w, tpo2n -Raphson Analysis Canals Computer models AnaClayltciuclaalt ioAn,p proJoahcnh Df.or VDailrieacntt zaDsr,i p ILRa teNroalv ./HDyedcr.a ul9i8c, CanRaolg erCso ntarnodl JeAaln goGroiutshsmasr d,C uIrRr eJnatnl.y/ Feibn. U9s8e,, p1D1a-v1i5d. C. NonTdhiemoednosri oSn.a lS treElxkopfrfe ssaindo n Alboefr t UnJs. tCelaedmym enCsan,a l IR FJlaonw.,/ p300-305. Canal Control Algorithms Formulations, V. M. Ruiz- Feb. 98, p59-62. Response of Unconfined Aquifer to Sudden Change in CJaanr/mFoenba., 98A,. p3J1.- 3C9.l emmens and J. Schuurmans, IR Computer networks Boundary Head, D. A. Lockington, IR Jan./Feb. 97, Construction Forum, SC Feb. 97, p9-15. p24-27. Classification of Canal Control Algorithms, Pierre- Semianalytical Solution to Richards’ Equation for Lay- Olivier Malaterre, David C. Rogers and Jan Schuur- Constitutive relations ered Porous Media, Fred Marinelli and Deanna S. mans, IR Jan./Feb. 98, p3-10. Semianalytical Solution to Richards’ Equation for Lay- Durnford, IR Nov./Dec. 98, p290-299. Development and Evaluation of Canal Automation Algo- ered Porous Media, Fred Marinelli and Deanna S. rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- Durnford, IR Nov./Dec. 98, p290-299. Analytical techniques terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan/ Constriction Comparison of Numerical and Analytical Solutions of Feb. 98, p40-46. Boussinesq Equation in Semiinfinite Flow Region, A Scouring in Long Contractions, Siow-Yong Lim and Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. p265-270. Idealized Automated Control of Sloping Canals, John B. Control Approximation Parrish, IR July/Aug. 97, p270-278. Classification of Canal Control Algorithms, Pierre- Response of Unconfined Aquifer to Sudden Change in Improved Proportional-Integral (PI) Logic for Canal Au- Olivier Malaterre, David C. Rogers and Jan Schuur- Boundary Head, D. A. Lockington, IR Jan./Feb. 97, tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V mans, IR Jan./Feb. 98, p3-10. p24-27. Ruiz C., IR Jan./Feb. 98, p53-57. Development and Evaluation of Canal Automation Algo- Aquifers Influence of Canal Geometry and Dynamics on Control- rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- lability, T.S . Strelkoff, J. L. Deltour, C. M. Burt, A. J terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Comparison of Numerical and Analytical Solutions of Clemmens and J. P. Baume, IR Jan/Feb. 98, p16-22. Feb. 98, p40-46. Boussinesq Equation in Semiinfinite Flow Region, A. Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Introduction of Smith Predictor into Dynamic Regulation, Improved Proportional-Integral (PI) Logic for Canal Au- p265-270. Jean-Luc Deltour and Franck Sanfilippo, IR Jan./Feb. tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V. 98, p47-52. Ruiz C., IR Jan/Feb. 98, p53-57. Response of Unconfined Aquifer to Sudden Change in Boundary Head, D. A. Lockington, IR Jan./Feb. 97, Nondimensional Expression of Unsteady Canal Flow, Influence of Canal Geometry and Dynamics on Control- p24-27. Theodor S. Strelkoff and Albert J. Clemmens, IR Jan./ lability, T. S. Strelkoff, J. L. Deltour, C. M. Burt, A. J. Feb. 98, p59-62. Clemmens and J. P. Baume, IR Jan./Feb. 98, p16-22. ASCE Committees PILOTE: Linear Quadratic Optimal Controller for Irriga- Introduction of Smith Predictor into Dynamic Regulation, Development and Evaluation of Canal Automation Algo- tion Canals, P. O. Malaterre, IR July/Aug. 98, p187- Jean-Luc Deltour and Franck Sanfilippo, IR Jan./Feb. rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- 194. 98, p47-52. terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Nondimensional Expression of Unsteady Canal Flow, Feb. 98, p40-46. Test Cases for Canal Control Algorithms, A. J. Clem- Theodor S. Strelkoff and Albert J. Clemmens, IR Jan/ ASCE Publications mIeRn sJ,a n./T.F ebF.. K9a8,c epr2e3k-,3 0.B. Grawitz and W. Schuurmans, Feb. 98, p59-62. Questionnaire, A. R. Rao, IR Sept/Oct. 98, p237. Test Cases for Canal Control Algorithms, A. J. Clem- Capacity mens, T. F. Kacerek, B. Grawitz and W. Schuurmans, Automation Refining the Definition of Field Capacity in the Litera- IR Jan./Feb. 98, p23-30. Canal Control Algorithms Formulations, V. M. Ruiz- ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232 Control systems Carmona, A. J. Clemmens and J. Schuurmans, IR Jan./Feb. 98, p31-39. Channel beds Canal Control Algorithms Currently in Use, David C. Classification of Canal Control Algorithms, Pierre- Choke-Free Flow in Circular Channels with Increase in Rogers and Jean Goussard, IR Jan./Feb. 98, p11-15. Olivier Malaterre, David C. Rogers and Jan Schuur- Bed Elevations, Subhasish Dey, IR Nov./Dec. 98, Canal Control Algorithms Formulations, V. M. Ruiz- mans, IR Jan./Feb. 98, p3-10. p317-320. Carmona, A. J. Clemmens and J. Schuurmans, IR Jan/Feb. 98, p31-39. Devrietlhomp mCeLnItS , anFdu bEov aLliuua,t iJoann oFfe yCeann,a lP ieArurteo-mOlaitviioenr MAallgao-- Channel bends PILOTE: Linear Quadratic Optimal Controller for Irriga- terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Side-Weir Flow in Curved Channels, Hayrullah Agac- tion Canals, P. O. Malaterre, IR July/Aug. 98, p187- Feb. 98, p40-46. cioglu and Yalcin Yiiksel, IR May/June 98, p163-175. 194 Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. Channel flow Control theory Idealized Automated Control of Sloping Canals, John B. Side-Weir Flow in Curved Channels, Hayrullah Agac- Idealized Automated Control of Sloping Canals, John B. Parrish, IR July/Aug. 97, p270-278. cioglu and Yalcin Yiiksel, IR May/June 98, p163-175. Parrish, IR July/Aug. 97, p270-278. 331 COST ALLOCATION 1998 ANNUAL INDEX Cost allocation Drains Comparison of Numerical and Analytical Solutions of Cost Allocation for Multiuse Water Systems in Egypt, Theory of Pipe Drainage Assisted by Mole Drainage, Boussinesq Equation in Semiinfinite Flow Region, A. William J. Grenney, Ibrahim E] Assiouti, Parviz Hek- Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, mat, J. Paul Riley and Robert A. Young, IR July/Aug. p265-270. 98, p195-199. Dynamics Scouring in Long Contractions, Siow-Yong Lim and Influence of Canal Geometry and Dynamics on Control- Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. Cracking lability, T. S. Strelkoff, J. L. Deltour, C. M. Burt, A. J. Infiltration Model for Furrow Irrigation, Juan Enciso- Clemmens and J. P. Baume, IR Jan./Feb. 98, p16-22. Flow characteristics Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ Introduction of Smith Predictor into Dynamic Regulation, Flow Characteristics of Chimney Weir under Submer- Apr. 98, p73-80. Jean-Luc Deltour and Franck Sanfilippo, IR Jan./Feb. gence, C. Chatterjee, R. Singh, S. K. Kar, S. N. Panda Cranes 98, p47-52. and S. L. Bohara, IR Mar./Apr. 98, p96-101. Construction Forum, SC Feb. 97, p9-15. Egypt Flow control Crop production Cost Allocation for Multiuse Water Systems in Egypt, Fluidic Device for Surge Flow Irrigation, Polioptro William J. Grenney, Ibrahim El Assiouti, Parviz Hek- Martinez-Austria and Alvaro A. Aldama, IR Sept./Oct. Irrigated Cropping Optimization, H. O. Carvallo, E. A. mat, J. Paul Riley and Robert A. Young, IR July/Aug. 98, p262-264. Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ 98, p195-199. Apr. 98, p67-72. Flow measurement Crop yield Elevation Head-Discharge Relationship in Flumes of Compound Choke-Free Flow in Circular Channels with Increase in Sections, Issam A. Al-Khatib, IR May/June 98, p177- Nonlinear Programming Model for Extensive Irrigation, Bed Elevations, Subhasish Dey, IR Nov./Dec. 98, 179. CM.a r.N/aAgparr.a ju9 8, Kup1m2a3r-,1 26N.. Indrasenan and K. Elango, IR p317-320. Mobile Prisms for Flow Measurement in Rectangular Employment conditions Channels, A. Peruginelli and F. Bonacci, IR May/June Crops 97, p170-174. Construction Forum, SC Feb. 97, p9-15. Irrigated Cropping Optimization, H. O. Carvallo, E. A. Modeling the Heat Sense Flowmeter, Sunita Sisodia and Holzapfel, M. A. Lopez and M. A. Mariiio, IR Mar./ Energy Otto J. Helweg, IR May/June 98, p148-151. Apr. 98, p67-72. Measuring Droplet Impact Energy with Piezoelectric Rating Adjustment for Settlement of Cutthroat Flumes, Nonlinear Programming Model for Extensive Irrigation, Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR Steven R. Abt, Bryan C. Ruth and Eric M. Skowron, C. Nagaraju Kumar, N. Indrasenan and K. Elango, IR July/Aug. 98, p213-217. IR Nov./Dec. 98, p311-315. Mar./Apr. 98, p123-126 Spatial and Temporal Errors in Estimating Regional Equipment Flow patterns Evapotranspiration, Mansoor A. Hashmi and Luis A. Fluidic Device for Surge Flow Irrigation, Polioptro Generalized Culvert Design Diagram, Willi H. Hager and Garcia, IR Mar./Apr. 98, p108-114. Martinez-Austria and Alvaro A. Aldama, IR Sept/Oct. Giuseppe Del Giudice, IR Sept./Oct. 98, p271-274. 98, p262-264. Cross sections Flow rates ’ Erosion Head-Discharge Relationship in Flumes of Compound Error Analysis of Flow Meter Measurements, B. R. Han- Sections, Issam A. Al-Khatib, IR May/June 98, p177- Effective Erosion Parameters for Slopes with Spatially son and L. J. Schwankl, IR Sept./Oct. 98, p248-256. 179. Varying Properties, Rao S. Govindaraju, IR Mar./Apr. 98, p81-88. Flow resistance Culverts Error analysis Scouring in Long Contractions, Siow-Yong Lim and Generalized Culvert Design Diagram, Willi H. Hager and Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. Giuseppe Del Giudice, IR Sept./Oct. 98, p271-274. Error Analysis of Flow Meter Measurements, B. R. Han- son and L. J. Schwankl, IR Sept./Oct. 98, p248-256. Flumes Cylinders Estimation Head-Discharge Relationship in Flumes of Compound Overflow Characteristics of Circular Weirs: Effects of Sections, Issam A. Al-Khatib, IR May/June 98, p177- Inflow Conditions, H. Chanson and J. S. Montes, IR Converting from Pan Evaporation to Evapotranspiration, 179. May/June 98, p152-162. N. S. Raghuwanshi and W. W. Wallender, IR Sept./ Oct. 98, p275-277. Mobile Prisms for Flow Measurement in Rectangular Dams Evaluation of Time-Rated Infiltration Families for Non- Channels, A. Peruginelli and F. Bonacci, IR May/June Use of Rubber Dams for Flood Mitigation in Hong Kong, cracking Soils, B. L. Maheshwari and D. Kelly, IR 7, p170-174. Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. July/Aug. 97, p238-245. Rating Adjustment for Settlement of Cutthroat Flumes, DReeffiinniitnigo nsth e Definition of Field Capacity in the Litera- Themoarteitoinc,a l BoJfuust iYfiuc,a tIioRn Noovf. /SDCeSc . Me9t8,h opd3 06f-or3 1R0u.n off Esti- SItR evNeonv ./RD.e cA.b t,9 8,B rpy3a1n1 -3C1.5 .R uth and Eric M. Skowron, ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. Evaporation Free surfaces DGeenseirganl ized Culvert Design Diagram, Willi H. Hager and ConNv.e rSt.i nRg agfhruowma nPsahni Evaanpdo rWa.t ioWn. toW aElvlaepnodterra,n spIiRr atSieoptn.,/ GraFdouraml,l y DavViadr ieGd. RFhloodwe s, SoIlRu tJiuolnys/ Auign. N9e8w, tpo2n3-3R-a2p35h.s on Giuseppe Del Giudice, IR Sept./Oct. 98, p271-274. Oct. 98, p275-277. Furrow irrigation Spatial Modeling of Soil Properties for Subsurface Drain- Evapotranspiration Suitability of Selectted Flow Equations and Variation of age Projects, Mahmoud M. Moustafa and Atsushi Yo- Converting from Pan Evaporation to Evapotranspiration, anning’s n in Furrow Irrigation, M. Esfandiari and B. mata, IR July/Aug. 98, p218-228 N. S. Raghuwanshi and W. W. Wallender, IR Sept./ L. Maheshwari, IR Mar./Apr. 98, p89-95. Diffusion Oct. 98, p275-277. Geographic information systems Response of Unconfined Aquifer to Sudden Change in Spatial and Temporal Errors in Estimating Regional Spatial and Temporal Errors in Estimating Regional Boundary Head, D. A. Lockington, IR Jan./Feb. 97, Evapotranspiration, Mansoor A. Hashmi and Luis A. Evapotranspiration, Mansoor A. Hashmi and Luis A. p24-27. Garcia, IR Mar./Apr. 98, p108-114. Garcia, IR Mar./Apr. 98, p108-114. Discharge Experimentation Geometry Flow Characteristics of Chimney Weir under Submer- Overflow Characteristics of Circular Weirs: Effects of Analysis of Flow through Lateral Slot, Chandra Shekhar gence, C. Chatterjee, R. Singh, S. K. Kar, S. N. Panda Inflow Conditions, H. Chanson and J. S. Montes, IR P. Ojha and Damireddy Subbaiah, IR Sept./Oct. 97, and S. L. Bohara, IR Mar./Apr. 98, p96-101. May/June 98, p152-162. p402-405. Theory of Pipe Drainage Assisted by Mole Drainage, Feedback control Influence of Canal Geometry and Dynamics on Control- Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Test Cases for Canal Control Algorithms, A. J. Clem- lability, T. S. Strelkoff, J. L. Deltour, C. M. Burt, A. J. Discharge coefficients mens, T. F. Kacerek, B. Grawitz and W. Schuurmans, Clemmens and J. P. Baume, IR Jan./Feb. 98, p16-22. IR Jan./Feb. 98, p23-30. Analysis of Flow through Lateral Slot, Chandra Shekhar Hong Kong P. Ojha and Damireddy Subbaiah, IR Sept./Oct. 97, Field investigations Use of Rubber Dams for Flood Mitigation in Hong Kong, p402-405. Canal Control Algorithms Currently in Use, David C. Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. Head-Discharge Relationship in Flumes of Compound Rogers and Jean Goussard, IR Jan./Feb. 98, p11-15. Hydraulic conductivity S1e7c9t. ions, Issam A. Al-Khatib, IR May/June 98, p177- Field tests Theory of Pipe Drainage Assisted by Mole Drainage, Overflow Characteristics of Circular Weirs: Effects of SuiMtaabninliitnyg ’sof nS eilne cFtutredr owF loIrwr igEaqtuioant,i oMn.s Easnfda ndViaarriia tiaonnd Bo.f Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Inflow Conditions, H. Chanson and J. S. Montes, IR L. Maheshwari, IR Mar./Apr. 98, p89-95. Hydraulic models May/June 98, p152-162. Soil Hydraulic Models Selection Based on In-Situ Meas- Diversion Finite difference method urements, Uri Shani and Rachel Gordin-Katz, IR Analysis of Flow through Lateral Slot, Chandra Shekhar Twos-atPuhraasteed- ReZaocntei,v eS ulSeoklhuat,e -TDr.a nsKpaosrhty aSpi mualnadt ioWn. iHn. UMn-. Nov./Dec. 98, p285-289. P. Ojha and Damireddy Subbaiah, IR Sept./Oct. 97, Duijnisveld, IR May/June 98, p140-147. Hydraulics p402-405. Analytical Approach for Direct Drip Lateral Hydraulic Drainage Flood control Calculation, John D. Valiantzas, IR Nov./Dec. 98, Comparison of Numerical and Analytical Solutions of UseP auolf RWuibnbge r MiDnagm sT afmo,r FIlRo oMda r.M/iAtpigra.t i9o7n, ipn7 3H-o78n.g Kong, p300-305. Boussinesq Equation in Semiinfinite Flow Region, A. Choke-Free Flow in Circular Channels with Increase in Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Flow Bed Elevations, Subhasish Dey, IR Nov./Dec. 98, p265-270. Analysis of Flow through Lateral Slot, Chandra Shekhar p317-320. Refining the Definition of Field Capacity in the Litera- P. Ojha and Damireddy Subbaiah, IR Sept./Oct. 97, Generalized Culvert Design Diagram, Willi H. Hager and ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. p402-405. Giuseppe Del Giudice, IR Sept/Oct. 98, p271-274. 332 SUBJECT INDEX PROFILES Introduction of Smith Predictor into Dynamic Regulation, Layered systems Gradually Varied Flow Solutions in Newton-Raphson Jean-Luc Deltour and Franck Sanfilippo, IR Jan./Feb. Semianalytical Solution to Richards’ Equation for Lay- Form, David G. Rhodes, IR July/Aug. 98, p233-235. 98, p47-52. ered Porous Media, Fred Marinelli and Deanna S. Open channels Nondimensional Expression of Unsteady Canal Flow, Durnford, IR Nov./Dec. 98, p290-299. Theodor S. Strelkoff and Albert J. Clemmens, IR Jan./ Head-Discharge Relationship in Flumes of Compound Feb. 98, p59-62. Leaching Sections, Issam A. Al-Khatib, IR May/June 98, p177- Improved Water Quality through Water Table Manage- 179. Hydrologic models ment in Eastern Canada, M. N. Mejia and C. A. Ma- Mobile Prisms for Flow Measurement in Rectangular Estimation of Surface Volume in Hydrological Models dramootoo, IR Mar./Apr. 98, p116-112. Channels, A. Peruginelli and F. Bonacci, IR May/June for Border Irrigation, Joaquin Monserrat and Javier 97, p170-174. HydBrarorlaoggayn , IR Sept/Oct. 98, p238-247. LCoenasdterruschtiiopn Forum, SC Feb. 97, p9-15. NonTdhiemoednosri oSn.a lS treElkxopfrfe ssanido n Alboefr t UnJs. tCelaedmym enCsan,a l IR FJlaonw.,/ Converting from Pan Evaporation to Evapotranspiration, Maintenance Feb. 98, p59-62. N. S. Raghuwanshi and W. W. Wallender, IR Sept./ Cost Allocation for Multiuse Water Systems in Egypt, Openings Oct. 98, p275-277. William J. Grenney, Ibrahim El! Assiouti, Parviz Hek- Analysis of Flow through Lateral Slot, Chandra Shekhar Impact 9m8a,t , p1J9. 5P-a1u9l9 .R iley and Robert A. Young, IR July/Aug. pP.4 02O-j4h0a5 .a nd Damireddy Subbaiah, IR Sept./Oct. 97, Measuring Droplet Impact Energy with Piezoelectric Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR Management Operation July/Aug. 98, p213-217. Construction Forum, SC Feb. 97, p9-15. Cost Allocation for Multiuse Water Systems in Egypt, Infiltration Measurement William J. Grenney, Ibrahim El Assiouti, Parviz Hek- mat, J. Paul Riley and Robert A. Young, IR July/Aug. Evaluation of Time-Rated Infiltration Families for Non- Error Analysis of Flow Meter Measurements, B. R. Han- 98, p195-199. cracking Soils, B. L. Maheshwari and D. Kelly, IR son and L. J. Schwankl, IR Sept./Oct. 98, p248-256. July/Aug. 97, p238-245. Soil Hydraulic Models Selection Based on In-Situ Meas- Optimal control methods Global Identification of Surface Irrigation Parameters, urements, Uri Shani and Rachel Gordin-Katz, IR PILOTE: Linear Quadratic Optimal Controller for Irriga- Scott A. Yost and Nikolaos D. Katopodes, IR May/ Nov./Dec. 98, p285-289. tion Canals, P. O. Malaterre, IR July/Aug. 98, p187- June 98, p131-139. 194. Measuring instruments InfMiletdriatniao,n DMeordreell Mafrort inF uarnrdo w DeaIrnr igEaitsieonn,h auJeura,n IRE ncMiasro.-/ Error Analysis of Flow Meter Measurements, B. R. Han- Optimization models Apr. 98, p73-80. son and L. J. Schwankl, IR Sept/Oct. 98, p248-256. Irrigated Cropping Optimization, H. O. Carvallo, E. A KosMtoidaeklo,v JoIenlf ilCtarahtoioonn , PaIrRa mMeatre.r/sA prf.r o9m8 , Kpi1n2e7m-a1t3i0c. Wave MobCihlaen nelPsr,i smAs. Pfeorru giFnleolwl i Maenads uFr. eBmoennatc ci,i n IRR ecMtaayn/gJuulnaer HAoplrz.a p9f8e,l ,p 67M-.7 2.A . Lopez and M. A. Marifio, IR Mar./ 97, p170-174. Nonlinear Programming Model for Extensive Irrigation, Variable Surface Shape Factor Volume Balance: Irriga- C. Nagaraju Kumar, N. Indrasenan and K. Elango, IR tion Advance Equation, John D. Valiantzas, IR July/ Methodology Mar./Apr. 98, p123-126. Aug. 97, p307-312. Two-Phase-Reactive Solute-Transport Simulation in Un- Inflow sDautiujrnaitsevde ldZ,o nIeR, MSauyl/eJkuhna,e 9D8., pK1a4s0h-y1a4p7 . and W. H. M OAnuatlfyltoiwcsa l Approach for Direct Drip Lateral Hydraulic Overflow Characteristics of Circular Weirs: Effects of Calculation, John D. Valiantzas, IR Nov/Dec. 98, Inflow Conditions, H. Chanson and J. S. Montes, IR Modeling p300-305. May/June 98, p152-162. Kostiakov Infiltration Parameters from Kinematic Wave CIarnrCaiaglra mtioCononan t,r ol A. AlJg. orCiltehmmms enFso rmaunlda tioJ.n s,S chuV.u rmMa.n s,R uizI-R ModOMetotldoie lnJ,g. HJteohelelw eHCgea,ah to IoRSn e,nM saeIy R/ JFMulanorew. m/eA9tp8er,r ., p 1948S8,u- n1pi51t12a.7 -S1i3s0o.d ia and OOvveeIMrrnafffylll/oooJwwwu nCeCo hnad9r8ia,tc itpoen1rs5i,2s -ti1cH6s.2 . Cohfa nCsiorncu laarn d WeJ.i rSs.: MoEnffteecst,s IoRf Jan./Feb. 98, p31-39. Nonhydrostatic Model for Surface Irrigation, Scott F. Classification of Canal Control Algorithms, Pierre- Bradford and Nikolaos D. Katopodes, IR July/Aug. 98, Overland flow Olivier Malaterre, David C. Rogers and Jan Schuur- p200-212. Effective Erosion Parameters for Slopes with Spatially mans, IR Jan./Feb. 98, p3-10. Spatial Modeling of Soil Properties for Subsurface Drain- Varying Properties, Rao S. Govindaraju, IR Mar./Apr. Idealized Automated Control of Sloping Canals, John B age Projects, Mahmoud M. Moustafa and Atsushi Yo- 98, p81-88. Parrish, IR July/Aug. 97, p270-278. mata, IR July/Aug. 98, p218-228. Nonhydrostatic Model for Surface Irrigation, Scott F. Improved Proportional-Integral (PI) Logic for Canal Au- Suitability of Selectted Flow Equations and Variation of pB2ra0d0f-o 2r1d2 7 and Nikolaos D. Katopodes, IR July/Aug. 98, tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V Manning's n in Furrow Irrigation, M. Esfandiari and B Ruiz C., IR Jan./Feb. 98, p53-57. L. Maheshwari, IR Mar./Apr. 98, p89-95 Suitability of Selectted Flow Equations and Variation of Manning's n in Furrow Irrigation, M. Esfandiari and B. Irrigated Cropping Optimization, H. O. Carvallo, E. A Newton-Raphson method L. Maheshwari, IR Mar./Apr. 98, p89-95. Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ Gradually Varied Flow Solutions in Newton-Raphson Apr. 98, p67-72. Form, DavidG . Rhodes, IR July/Aug. 98, p233-235 Parameters Measuring Droplet Impact Energy with Piezoelectric Global Identification of Surface Irrigation Parameters, Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR Nile River Scott A. Yost and Nikolaos D. Katopodes, IR May/ July/Aug. 98, p213-217. Cost Allocation for Multiuse Water Systems in Egypt, June 98, p131-139 PILtiOoTnE :C anLailnse,a r P.Q uOa.d raMtailcat eOrrpet,i maIlR CJounltyr/oAlulge.r f9o8r, Ipr1ri8g7a-- Wm98ai,tl , lp1iJ9.a 5mP-a J1u9.l9 G.rR einlneye y,a ndI bRroabheirmt EAl. AYssoiuonugt,i, IPRa rJvuilzy /AHuegk.- KosMtoidaeklo,v JoIenlf ilCtarahtoioonn , PaIrRa mMeatre.r/sA prf.r o9m8 , Kpi1n2e7m-a1t3i0c. Wave 194. Soil Hydraulic Models Selection Based on In-Situ Meas- Irrigation programs Nitrates urements, Uri Shani and Rachel Gordin-Katz, IR Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. Improved Water Quality through Water Table Manage- Nov./Dec. 98, p285-289. ment in Eastern Canada, M. N. Mejia and C. A. Ma- Perturbation Irrigation scheduling dramootoo, IR Mar./Apr. 98, p116-112. PILOTE: Linear Quadratic Optimal Controller for Irriga- Nonlinear Programming Model for Extensive Irrigation, Nonlinear programming tion Canals, P. O. Malaterre, IR July/Aug. 98, p187- CMca.r .N/aAgparr.a j9u8 , Kupm12a3r-,1 2N6.. Indrasenan and K Elango, IR Nonlinear Programming Model for Extensive Irrigation, 194. Cc Nagaraju Kumar, N. Indrasenan and K. Elango, IR Piezoelectricity Irrigation systems Mar./Apr. 98, p123-126 Measuring Droplet Impact Energy with Piezoelectric Cost Allocation for Multiuse Water Systems in Egypt, Numerical analysis Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR Wmaitl,l iJa.m PaJu.l GrReinlneye y,a ndI bRroabheirmt EA]. AYssoiuonugt,i, IPRa rJvuilz y/HAeukg- Comparison of Numerical and Analytical Solutions of July/Aug. 98, p213-217. 98, p195-199 Boussinesq Equation in Semiinfinite Flow Region, A Pipes Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Nonlinear Programming Model for Extensive Irrigation, p265-270 Theory of Pipe Drainage Assisted by Mole Drainage, C. Nagaraju Kumar, N. Indrasenan and K. Elango, IR Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Mar./Apr. 98, p123-126 Vartiiaonb leA dSvuarnfcaec e ESqhuaatpieo n,F acJtoohr n VoD.l umVael iaBnatzlaasn,c e: IR IrJruilgay-/ Polynomials Kalman filter Aug. 97, p307-312. Canal Control! Algorithms Formulations, V. M. Ruiz- PILtiOoTnE :C anLailnse,a r P.Q uOa.d raMtailcat eOrrpet,i maIlR CJounltyr/oAlulge.r f9o8r, Ipr1ri8g7a-- Numerical models CJaanr.m/oFenba., 98A,. p3J1.- 3C9.l emmens and J. Schuurmans, IR 194 Semeiraenda lyPtoircoauls SMoelduitiao,n Ftro edR icMhaarridnse’l liE quaantdi onD eafonrn aL ayS- Porous media Labor Durnford, IR Nov./Dec. 98, p290-299. Modeling the Heat Sense Flowmeter, Sunita Sisodia and Irrigated Cropping Optimization, H. O. Carvallo, E. A Two-Phase-Reactive Solute-Transport Simulation in Un- Otto J. Helweg, IR May‘June 98, p148-151 Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ saturated Zone, Sulekha, D. Kashyap and W. H. M Semianalytical Solution to Richards’ Equation for Lay- Apr. 98, p67-72. Duijnisveld, IR May/June 98, p140-147. ered Porous Media, Fred Marinelli and Deanna S. Durnford, IR Nov./Dec. 98, p290-299 Laterals Open channel flow Analytical Approach for Direct Drip Lateral Hydraulic Choke-Free Flow in Circular Channels with Increase in Profiles Calculation, John D. Valiantzas, IR Nov./Dec. 98, Bed Elevations, Subhasish Dey, IR Nov/Dec. 98, Gradually Varied Flow Solutions in Newton-Raphson p300-305. p317-320. Form, David G. Rhodes, IR July/Aug. 98, p233-235. 333 QUESTIONNAIRES 1998 ANNUAL INDEX Questionnaires Soil erosion Global Identification of Surface Irrigation Parameters, Questionnaire, A. R. Rao, IR Sept./Oct. 98, p237. Effective Erosion Parameters for Slopes with Spatially Scott A. Yost and Nikolaos D. Katopodes, IR May/ Varying Properties, Rao S. Govindaraju, IR Mar./Apr. June 98, p131-139. Rainfall-runoff relationships 98, p81-88. Infiltration Model for Furrow Irrigation, Juan Enciso- Theoretical Justification of SCS Method for Runoff Esti- Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ mation, Bofu Yu, IR Nov./Dec. 98, p306-310. Soil properties Apr. 98, p73-80. Ratings Spaatgiea l PMroojdeecltsi,n gM aofh mSooiuld ProMp.e rtMioeuss tfaofra Suabnsdu rfAtascues hiD raYion-- KosMtoidaeklo,v JoIenlf ilCtarhatoioonn , PaIrR amMeatre.r/sA prf.r o9m8 , Kpi1n2e7m-a1t3i0c. Wave Rating Adjustment for Settlement of Cutthroat Flumes, mata, IR July/Aug. 98, p218-228. Steven R. Abt, Bryan C. Ruth and Eric M. Skowron, Nonhydrostatic Model for Surface Irrigation, Scott F. IR Nov./Dec. 98, p311-315. Soil stresses Bradford and Nikolaos D. Katopodes, IR July/Aug. 98, Infiltration Model for Furrow Irrigation, Juan Enciso- p200-212. Rectangular cross section Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ Variable Surface Shape Factor Volume Balance: Irriga- Mobile Prisms for Flow Measurement in Rectangular Apr. 98, p73-80. tion Advance Equation, John D. Valiantzas, IR July/ Channels, A. Peruginelli and F. Bonacci, IR May/June Aug. 97, p307-312. 97, p170-174. Soil water Infiltration Model for Furrow Irrigation, Juan Enciso- Surface waters Regional analysis Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ Estimation of Surface Volume in Hydrological Models Spatial and Temporal Errors in Estimating Regional Apr. 98, p73-80. for Border Irrigation, Joaquin Monserrat and Javier Evapotranspiration, Mansoor A. Hashmi and Luis A. Barragan, IR Sept./Oct. 98, p238-247. Refining the Definition of Field Capacity in the Litera- Garcia, IR Mar./Apr. 98, p108-114. ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. Surge irrigation Regulation Soils Fluidic Device for Surge Flow Irrigation, Polioptro IntJreoadnu-cLtiuocn Doefl tSomuirt h anPdr edFircatonrc k inStoa nfDiylnipapmoi,c IRRe gJualna.t/iFoenb., Evaluation of Time-Rated Infiltration Families for Non- M98a,r tpi2n6e2z--2A6u4s.t ria and Alvaro A. Aldama, IR Sept./Oct. 98, p47-52. cracking Soils, B. L. Maheshwari and D. Kelly, IR July/Aug. 97, p238-245. Tests Rehabilitation Soil Hydraulic Models Selection Based on In-Situ Meas- Test Cases for Canal Control Algorithms, A. J. Clem- Cost Allocation for Multiuse Water Systems in Egypt, urements, Uri Shani and Rachel Gordin-Katz, IR mens, T. F. Kacerek, B. Grawitz and W. Schuurmans, William J. Grenney, Ibrahim E] Assiouti, Parviz Hek- Nov./Dec. 98, p285-289. IR Jan./Feb. 98, p23-30 m98a,t , p1J9. 5P-a1u9l9 .R iley and Robert A. Young, IR July/Aug. Soils, unsaturated Thermal factors Two-Phase-Reactive Solute-Transport Simulation in Un- Modeling the Heat Sense Flowmeter, Sunita Sisodia and Resistance saturated Zone, Sulekha, D. Kashyap and W. H. M. Otto J. Helweg, IR May/June 98, p148-151. Global Identification of Surface Irrigation Parameters, Duijnisveld, IR May/June 98, p140-147. Time dependence Scott A. Yost and Nikolaos D. Katopodes, IR May/ June 98, p131-139 Solutes Variable Surface Shape Factor Volume Balance: Irriga- Two-Phase-Reactive Solute-Transport Simulation in Un- tion Advance Equation, John D. Valiantzas, IR July/ Reviews saturated Zone, Sulekha, D. Kashyap and W. H. M. Aug. 97, p307-312. Questionnaire, A. R. Rao, IR Sept./Oct. 98, p237. Duijnisveld, IR May/June 98, p140-147. Time factors Rubber Spacing Spatial and Temporal Errors in Estimating Regional Use of Rubber Dams for Flood Mitigation in Hong Kong, Theory of Pipe Drainage Assisted by Mole Drainage, Evapotranspiration, Mansoor A. Hashmi and Luis A. Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Garcia, IR Mar./Apr. 98, p108-114. Runoff Spatial analysis Training Theoretical Justification of SCS Method for Runoff Esti- Spatial Modeling of Soil Properties for Subsurface Drain- Construction Forum, SC Feb. 97, p9-15. mation, Bofu Yu, IR Nov./Dec. 98, p306-310. age Projects, Mahmoud M. Moustafa and Atsushi Yo- Transport phenomena Runoff forecasting mata, IR July/Aug. 98, p218-228. Nonhydrostatic Model for Surface Irrigation, Scott F. Theoretical Justification of SCS Method for Runoff Esti- Spatial data pB2r0a0d-f2o1rd2 . and Nikolaos D. Katopodes, IR July/Aug. 98, mation, Bofu Yu, IR Nov./Dec. 98, p306-310. Effective Erosion Parameters for Slopes with Spatially Varying Properties, Rao S. Govindaraju, IR Mar./Apr. Two-Phase-Reactive Solute-Transport Simulation in Un- Scour 98, p81-88. saturated Zone, Sulekha, D. Kashyap and W. H. M. Scouring in Long Contractions, Siow-Yong Lim and Duijnisveld, IR May/June 98, p140-147. Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. SpaEtviaalp otraannds piTreamtpioonr,a l MaEnrsroorosr iAn. EHsatsihmmait inagn d ReLguiiso naAl. Trickle irrigation Secondary flow Garcia, IR Mar./Apr. 98, p108-114. Analytical Approach for Direct Drip Lateral Hydraulic Side-Weir Flow in Curved Channels, Hayrullah Agac- Steady flow Calculation, John D. Valiantzas, IR Nov./Dec. 98, cioglu and Yalcin Yiiksel, IR May/June 98, p163-175. p300-305. Choke-Free Flow in Circular Channels with Increase in Sediment discharge Bed Elevations, Subhasish Dey, IR Nov./Dec. 98, Turbulence Scouring in Long Contractions, Siow-Yong Lim and p317-320. Error Analysis of Flow Meter Measurements, B. R. Han- Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. Subirrigation son and L. J. Schwankl, IR Sept./Oct. 98, p248-256. Selection Improved Water Quality through Water Table Manage- Two-dimensional models Soil Hydraulic Models Selection Based on In-Situ Meas- ment in Eastern Canada, M. N. Mejia and C. A. Ma- Infiltration Model for Furrow Irrigation, Juan Enciso- urements, Uri Shani and Rachel Gordin-Katz, IR dramootoo, IR Mar./Apr. 98, p116-112. Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ Nov./Dec. 98, p285-289. Submerged flow Apr. 98, p73-80. Sensors Flow Characteristics of Chimney Weir under Submer- Unsaturated flow Measuring Droplet Impact Energy with Piezoelectric gence, C. Chatterjee, R. Singh, S. K. Kar, S. N. Panda Semianalytical Solution to Richards’ Equation for Lay- Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR and S. L. Bohara, IR Mar./Apr. 98, p96-101. ered Porous Media, Fred Marinelli and Deanna S. July/Aug. 98, p213-217. Mobile Prisms for Flow Measurement in Rectangular Durnford, IR Nov./Dec. 98, p290-299 Modeling the Heat Sense Flowmeter, Sunita Sisodia and Channels, A. Peruginelli and F. Bonacci, IR May/June Unsteady flow Otto J. Helweg, IR May/June 98, p148-151. 97, p170-174. Nondimensional Expression of Unsteady Canal Flow, Settlement analysis Subsurface drainage TFehbe.o d9o8r, pS5.9 -S6tr2e lkoff and Albert J. Clemmens, IR Jan./ Rating Adjustment for Settlement of Cutthroat Flumes, Improved Water Quality through Water Table Manage- Steven R. Abt, Bryan C. Ruth and Eric M. Skowron, ment in Eastern Canada, M. N. Mejia and C. A. Ma- Variability IR Nov./Dec. 98, p311-315. dramootoo, IR Mar./Apr. 98, p116-112. Analytical Approach for Direct Drip Lateral Hydraulic Spatial Modeling of Soil Properties for Subsurface Drain- Calculation, John D. Valiantzas, IR Nov./Dec. 98, Sharp-crested weirs age Projects, Mahmoud M. Moustafa and Atsushi Yo- p300-305. Sidcei-oWgelui r andF lYoawl ciinn CYiuirkvseeld, ICRh aMnaneyl/sJ,u neH ay98r,u lpl1a6h3 -1A7g5a.c - mata, IR July/Aug. 98, p218-228. Volume measure Theory of Pipe Drainage Assisted by Mole Drainage, Estimation of Surface Volume in Hydrological Models Shear stress Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. for Border Irrigation, Joaquin Monserrat and Javier Effective Erosion Parameters for Slopes with Spatially Subsurface flow Barragan, IR Sept./Oct. 98, p238-247 Varying Properties, Rao S. Govindaraju, IR Mar./Apr. 98, p81-88. Variable Surface Shape Factor Volume Balance: Irriga- Water content tion Advance Equation, John D. Valiantzas, IR July/ Refining the Definition of Field Capacity in the Litera- Slopes Aug. 97, p307-312. ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. EffVeactriyvien g ErPorsoipeornt iePsa,r aRmaeote rSs. Gfoovri nSdlaorpaejsu , wiItRh MaSrpa.t/iAaplrl.y Surface irrigation Water demand 98, p81-88. Estimation of Surface Volume in Hydrological Models Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. for Border Irrigation, Joaquin Monserrat and Javier Slots Barragan, IR Sept./Oct. 98, p238-247. Water flow Analysis of Flow through Lateral Slot, Chandra Shekhar Evaluation of Time-Rated Infiltration Families for Non- Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. P. Ojha and Damireddy Subbaiah, IR Sept/Oct. 97, cracking Soils, B. L. Maheshwari and D. Kelly, IR Generalized Culvert Design Diagram, Willi H. Hager and p402-405. July/Aug. 97, p238-245. Giuseppe Del Giudice, IR Sept./Oct. 98, p271-274. 334 SUBJECT INDEX WETTING FRONT Idealized Automated Control of Sloping Canals, John B. Parrish, IR July/Aug. 97, p270-278. Water levels Development and Evaluation of Canal Automation Algo- rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Feb. 98, p40-46. Water management Classification of Canal Control Algorithms, Pierre- Olivier Malaterre, David C. Rogers and Jan Schuur- mans, IR Jan./Feb. 98, p3-10. Development and Evaluation of Canal Automation Algo- rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Feb. 98, p40-46. Fluidic Device for Surge Flow Irrigation, Polioptro Martinez-Austria and Alvaro A. Aldama, IR Sept./Oct 98, p262-264. Water quality Improved Water Quality through Water Table Manage- ment in Eastern Canada, M. N. Mejia and C. A. Ma- dramootoo, IR Mar./Apr. 98, p1 16-112. Water resources Irrigated Cropping Optimization, H. O. Carvallo, E. A Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ Apr. 98, p67-72. Water table Comparison of Numerical and Analytical Solutions of Boussinesq Equation in Semiinfinite Flow Region, A. Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, p265-270. Improved Water Quality through Water Table Manage- ment in Eastern Canada, M. N. Mejia and C. A. Ma- dramootoo, IR Mar./Apr. 98, p1 16-112. Water use Fluidic Device for Surge Flow Irrigation, Polioptro Martinez-Austria and Alvaro A. Aldama, IR Sept/Oct 98, p262-264. Weirs Flow Characteristics of Chimney Weir under Submer- gence, C. Chatterjee, R. Singh, S. K. Kar, S. N. Panda and S. L. Bohara, IR Mar./Apr. 98, p96-101. Overflow Characteristics of Circular Weirs: Effects of Inflow Conditions, H. Chanson and J. S. Montes, IR May/June 98, p152-162. Use of Rubber Dams for Flood Mitigation in Hong Kong, Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. Wetting front Variable Surface Shape Factor Volume Balance: Irriga- tion Advance Equation, John D. Valiantzas, IR July/ Aug. 97, p307-312 1998 ANNUAL INDEX AUTHOR INDEX Abt, Steven R. Del Giudice, Giuseppe Kashyap, D. Rating Adjustment for Settlement of Cutthroat Flumes, see Hager, Willi H., IR Sept./Oct. 98, p271-274 see Sulekha, IR May/June 98, p140-147 with Bryan C. Ruth and Eric M. Skowron, IR Nov./ Dec. 98, p311-315 Deltour, J.L Katopodes, Nikolaos D. see Strelkoff, ¥ S., IR Jan/Feb. 98, p16-22 see Bradford, Scott F., IR July/Aug. 98, p200-212 Agaccioglu, Hayrullah Deltour, Jean-Luc see Yost, Scott A., IR May/June 98, p131-139 SidIeR- WMeaiyr/ JFulnoew 9i8n, Cpu1r6v3e-d1 7C5h annels, with Yalcin Yiiksel, Intwriotdhu cFtrioann cko f SSamniftihli pPproe,d iIcRt oJra ni.n/tFoe bD. yn9a8,m ipc4 7-R5e2gu lation, sKeeel lMy,a hDe.s hwari, B. L., IR July/Aug. 97, p238-245 Aldama, Alvaro A. Dey, Subhasish see Martinez-Austria, Polioptro, IR Sept./Oct. 98, p262- Choke-Free Flow in Circular Channels with Increase in Khalsa, R. D. 264 Bed Elevations, IR Nov./Dec. 98, p317-320 see Burt, C. M., IR Jan./Feb. 98, p53-57 Al-Khatib, Issam A. Duijnisveld, W. H. M. Knight, J. S. Head-Discharge Relationship in Flumes of Compound see Sulekha, IR May/June 98, p140-147 see Smiles, D. E., (disc), IR Jan/Feb. 97, p24-27 Sections, IR May/June 98, p177-179 Durnford, Deanna S. Kosuth, Pascal Barragan, Javier see Marinelli, Fred, IR Nov./Dec. 98, p290-299 see Liu, Fubo, IR Jan./Feb. 98, p40-46 see Monserrat, Joaquin, IR Sept./Oct. 98, p238-247 see Monserrat, Joaquin, (disc), IR July/Aug. 97, p307- Eisenhauer, Dean Kumar, C. Nagaraju 312 see Enciso-Medina, Juan, IR Mar./Apr. 98, p73-80 Nonlinear Programming Model for Extensive Irrigation, BMaesaashuir,i nJg. M.D roplet Impact Energy with Piezoelectric sEele AGssrieonunteiy,, IWbirlalhiiamm J., IR July/Aug. 98, p195-199 pwi1t2h3 -1N.2 6 Indrasenan and K. Elango, IR Mar./Apr. 98, Film, with G. Fipps and M. J. McFarland, IR July/Aug. Elango, K. Lim, Siow-Yong 98, p213-217 see Kumar, C. Nagaraju, IR Mar./Apr. 98, p123-126 Scouring in Long Contractions, with Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261 Baume,J . P. Enciso-Medina, Juan see Strelkoff, T. S., IR Jan./Feb. 98, p16-22 Infiltration Model for Furrow Irrigation, with Derrel Mar- Liu, Fubo Baume, Jean-Pierre tin and Dean Eisenhauer, IR Mar./Apr. 98, p73-80 Development and Evaluation of Canal Automation Algo- see Liu, Fubo, IR Jan./Feb. 98, p40-46 Esfandiari, M. rJietahnm- PiCeLrIrSe , Bawiutmhe Jaann d FePyaescna,l PKioesrurteh-,Ol iIvRi erJ anM.a/lFaebt.e rr9e8,, Bautista, Eduardo Suitability of Selectted Flow Equations and Variation of p40-46 see Cle2m7m8e ns, Albert J., (disc), IR July/Aug. 97, p270- MMaanhnesihnwga’rsi , nI R iMna r.F/uArprr.o w 98, Irpr8i9g-at9i5o n, with Lockington, D. A. see Maheshwari, B. L., (disc), IR July/Aug. 97, p307-312 Response of Unconfined Aquifer to Sudden Change in Bohara, S. L. Feyen, Jan Boundary Head, IR Jan./Feb. 97, p24-27 see Chatterjee, C., IR Mar./Apr. 98, p96-101 see Liu, Fubo, IR Jan./Feb. 98, p40-46 disc: D. 9E8., Spm1i8l4e-s 18a6n d J. S. Knight, IR May/June Bonacci, F. Fipps, G. see Peruginelli, A., IR May/June 97, p170-174 see Basahi, J. M., IR July/Aug. 98, p213-217 Lopez, M. A. see Carvallo, H. O., IR Mar./Apr. 98, p67-72 Bradford, Scott F. Garcia, Luis A. Nonhydrostatic Model for Surface Irrigation, with Niko- see Hashmi, Mansoor A., IR Mar./Apr. 98, p108-114 Madramootoo, C. A. laos D. Katopodes, IR July/Aug. 98, p200-212 see Mejia, M. N., IR Mar./Apr. 98, p116-112 Ghodsian, Masoud Burt, C. M. disc. (of Analysis of Flow through Lateral Slot, by Chan- Maheshwari, B. L. Improved Proportional-Integral (PI) Logic for Canal Au- dra Shekhar P. Ojha and Damireddy Subbaiah, IR Evaluation of Time-Rated Infiltration Families for Non- tomation, with R. S. Mills, R. D. Khalsa and V. Ruiz Sept./Oct. 97, p402-405), IR Nov./Dec. 98, p327 cracking Soils, with D. Kelly, IR July/Aug. 97, p238- C., IR Jan./Feb. 98, p53-57 245 see Strelkoff, T. S., IR Jan./Feb. 98, p16-22 Gordin-Katz, Rachel disc: Albert J. Clemmens, IR Nov./Dec. 98, p328- Cahoon, Joel see Shani, Uri, IR Nov./Dec. 98, p285-289 330 Kostiakov Infiltration Parameters from Kinematic Wave Goussard, Jean clo: IR Nov./Dec. 98, p330 Model, IR Mar./Apr. 98, p127-130 see Rogers, David C., IR Jan./Feb. 98, p11-15 disc. (of Variable Surface Shape Factor Volume Balance: Irrigation Advance Equation, by John D. Valiantzas, Carvallo, H. O. Govindaraju, Rao S. IR July/Aug. 97, p307-312) with M. Esfandiari, IR Irrigated Cropping Optimization, with E. A. Holzapfel, Effective Erosion Parameters for Slopes with Spatially Nov./Dec. 98, p322-323 M. A. Lopez and M. A. Marifio, IR Mar./Apr. 98, Varying Properties, IR Mar./Apr. 98, p81-88 see Esfandiari, M., IR Mar./Apr. 98, p89-95 p67-72 Grawitz, B. Chanson, H. see Clemmens, A. J., IR Jan./Feb. 98, p23-30 MPaIlLaOtTeEr:r e,L inPe. arO . Quadratic Optimal Controller for Irriga- Overflow Characteristics of Circular Weirs: Effects of Grenney, William J. tion Canals, IR July/Aug. 98, p187-194 Inflow Conditions, with J. S. Montes, IR May/June 98, Cost Allocation for Multiuse Water Systems in Egypt, p152-162 with Ibrahim Ei Assiouti, Parviz Hekmat, J. Paul Riley Malaterre, Pierre-Olivier Chanson, Hubert and Robert A. Young, IR July/Aug. 98, p195-199 ClaCs.s ifRiocgaetriso n anodf JCaann aSlc hCuounrtmraonls , AlIgRo rJiatnh.m/sFe,b . wi9t8h, pD3a-v1i0d disc. (of Use of Rubber Dams for Flood Mitigation in Hager, Willi H. see Liu, Fubo, IR Jan./Feb. 98, p40-46 Hong Kong, by Paul Wing Ming Tam, IR Mar./Apr. Generalized Culvert Design Diagram, with Giuseppe Del 97, p73-78), IR May/June 98, p181-182 Giudice, IR Sept./Oct. 98, p271-274 Marinelli, Fred Chatterjee, C. Hanson, B. R. Semianalytical Solution to Richards’ Equation for Lay- Flow Characteristics of Chimney Weir under Submer- Error Analysis of Flow Meter Measurements, with L. J. ered Porous Media, with Deanna S. Durnford, IR gence, with R. Singh, S. K. Kar, S. N. Panda and S. L. Schwankl, IR Sept./Oct. 98, p248-256 Nov./Dec. 98, p290-299 Bohara, IR Mar./Apr. 98, p96-101 Hashmi, Mansoor A. Marino, M. A. Chauhan, H. S. Spatial and Temporal Errors in Estimating Regional see Carvallo, H. O., IR Mar./Apr. 98, p67-72 see Upadhyaya, A., IR Sept./Oct. 98, p265-270 Evapotranspiration, with Luis A. Garcia, IR Mar./Apr. Martin, Derrel Cheng, Nian-Sheng 98, pl108-114 see Enciso-Medina, Juan, IR Mar./Apr. 98, p73-80 see Lim, Siow-Yong, IR Sept./Oct. 98, p258-261 THhaetohoroyt ,o f HPeilpmei DMr.ai nage Assisted by Mole Drainage, IR Martinez-Austria, Polioptro Clemmens, A. J. Mar./Apr. 98, p102-107 Fluidic Device for Surge Flow Irrigation, with Alvaro A. Editorial, IR Jan./Feb. 98, p1-2 Aldama, IR Sept./Oct. 98, p262-264 Test Cases for Canal Control Algorithms, with T. F. Ka- Hekmat, Parviz cerek, B. Grawitz and W. Schuurmans, IR Jan./Feb. see Grenney, William J., IR July/Aug. 98, p195-199 McFarland, M. J. 98, p23-30 Helweg, Otto J. see Basahi, J. M., IR July/Aug. 98, p213-217 see Ruiz-Carmona, V. M., IR Jan./Feb. 98, p31-39 see Sisodia, Sunita, IR May/June 98, p148-151 Mejia, M. N. see Strelkoff, T. S., IR Jan/Feb. 98, p16-22 Improved Water Quality through Water Table Manage- Cdilsce.m m(eonfs ,Ev aAllubaetriton J.o f Time-Rated Infiltration Families sHeoel zCaaprfveall,l o,E . HA.. O., IR Mar./Apr. 98, p67-72 mMeanrt. /Aipnr .E as9t8,e rnp 1 C1a6n-a1d1a2, with C. A. Madramootoo, IR for Noncracking Soils, by B. L. Maheshwari and D. Indrasenan, N. Mills, R. S. Kelly, IR July/Aug. 97, p238-245), IR Nov./Dec. 98, see Kumar, C. Nagaraju, IR Mar./Apr. 98, p123-126 see Burt, C. M., IR Jan./Feb. 98, p53-57 p328-330 Kacerek, T. F. disc. (of Idealized Automated Control of Sloping Canals, see Clemmens, A. J., IR Jan./Feb. 98, p23-30 Monserrat, Joaquin by John B. Parrish, IR July/Aug. 97, p270-278) with Estimation of Surface Volume in Hydrological Models Eduardo Bautista, IR Sept./Oct. 98, p280-281 Kar,S . K. for Border Irrigation, with Javier Barragan, IR Sept./ see Strelkoff, Theodor S., IR Jan./Feb. 98, p59-62 see Chatterjee, C., IR Mar./Apr. 98, p96-101 Oct. 98, p238-247 336 AUTHOR INDEX YUKSEL Monserrat, Joaquin Strelkoff, Theodor S. disc. (of Variable Surface Shape Factor Volume Balance: Nondimensional Expression of Unsteady Canal Flow, Irrigation Advance Equation, by John D. Valiantzas, with Albert J. Clemmens, IR Jan./Feb. 98, p59-62 IR July/Aug. 97, p307-312) with Barragan Javier, IR Nov./Dec. 98, p323-325 Subbaiah, Damireddy see Ojha, Chandra Shekhar P., IR Sept/Oct. 97, p402- Montes, J. S. 405 see Chanson, H., IR May/June 98, p152-162 Sulekha Moustafa, Mahmoud M. Two-Phase-Reactive Solute-Transport Simulation in Un- Spatial Modeling of Soil Properties for Subsurface Drain- saturated Zone, with D. Kashyap and W. H. M. age Projects, with Atsushi Yomata, IR July/Aug. 98, Duijnisveld, IR May/June 98, p140-147 p218-228 Swamee, Prabhata K. Nachabe, M. H., P.E. disc. (of Mobile Prisms for Flow Measurement in Rec- Refining the Definition of Field Capacity in the Litera- tangular Channels, by A. Peruginelli and F. Bonacci, ture, IR July/Aug. 98, p230-232 IR May/June 97, p170-174), IR Sept./Oct. 98, p279 Ojha, Chandra Shekhar P. Tam, Paul Wing Ming Analysis of Flow through Lateral Slot, with Damireddy Use of Rubber Dams for Flood Mitigation in Hong Kong, Subbaiah, IR Sept./Oct. 97, p402-405 IR Mar./Apr. 97, p73-78 disc: Masoud Ghodsian, IR Nov./Dec. 98, p327 disc: Hubert Chanson, IR May/June 98, p181-182 clo: IR Nov./Dec. 98, p327-328 clo: IR May/June 98, p182-184 Panda, S. N. Upadhyaya, A. see Chatterjee, C., IR Mar./Apr. 98, p96-101 Comparison of Numerical and Analytical Solutions of Boussinesq Equation in Semiinfinite Flow Region, Parrish, John B. with H. S. Chauhan, IR Sept./Oct. 98, p265-270 Idealized Automated Control of Sloping Canals, IR July/ Aug. 97, p270-278 Valiantzas, John D. disc: Albert J. Clemens and Eduardo Bautista, IR Analytical Approach for Direct Drip Lateral Hydraulic Sept./Oct. 98, p280-281 Calculation, IR Nov./Dec. 98, p300-305 clo: IR Sept/Oct. 98, p281-284 Variable Surface Shape Factor Volume Balance: Irriga- tion Advance Equation, IR July/Aug. 97, p307-312 Peruginelli, A. disc: B. L. Maheshswari and M. Esfandiari, IR Mobile Prisms for Flow Measurement in Rectangular Nov./Dec. 98, p322-323 Channels, with F. Bonacci, IR May/June 97, p170-174 disc: Joaquin Monserrat and Barragan Javier, IR disc: Prabhata K. Swamee, IR Sept./Oct. 98, p279 Nov./Dec. 98, p323-325 clo: IR Sept./Oct. 98, p279-280 clo: IR Nov./Dec. 98, p325-327 Raghuwanshi, N. S. Wallender, W. W. Converting from Pan Evaporation to Evapotranspiration, see Raghuwanshi, N. S., IR Sept./Oct. 98, p275-277 with W. W. Wallender, IR Sept/Oct. 98, p275-277 Yomata, Atsushi Rao, A. R. see Moustafa, Mahmoud M., IR July/Aug. 98, p218-228 Questionnaire, IR Sept./Oct. 98, p237 Yost, Scott A. Rhodes, David G. Global Identification of Surface Irrigation Parameters, Gradually Varied Flow Solutions in Newton-Raphson with Nikolaos D. Katopodes, IR May/June 98, p131- Form, IR July/Aug. 98, p233-235 139 Riley, J. Paul Young, Robert A. see Grenney, W‘lliam J., IR July/Aug. 98, p195-199 see Grenney, William J., IR July/Aug. 98, p195-199 Rogers, David C. Yu, Bofu Canal Control Algorithms Currently in Use, with Jean Theoretical Justification of SCS Method for Runoff Esti- Goussard, IR Jan./Feb. 98, p11-15 mation, IR Nov./Dec. 98, p306-310 see Malaterre, Pierre-Olivier, IR Jan./Feb. 98, p3-10 Yiksel, Yalcin Ruiz C., V. see Agaccioglu, Hayrullah, IR May/June 98, p163-175 see Burt, C. M., IR Jan./Feb. 98, p53-57 Ruiz-Carmona, V. M. Canal Control Algorithms Formulations, with A. J. Clem- mens and J. Schuurmans, IR Jan./Feb. 98, p31-39 Ruth, Bryan C. see Abt, Steven R., IR Nov./Dec. 98, p311-315 Sanfilippo, Franck see Deltour, Jean-Luc, IR Jan./Feb. 98, p47-52 Schuurmans, J. see Ruiz-Carmona, V. M., IR Jan./Feb. 98, p31-39 Schuurmans, Jan see Malaterre, Pierre-Olivier, IR Jan./Feb. 98, p3-10 Schuurmans, W. see Clemmens, A. J., IR Jan./Feb. 98, p23-30 Schwankl, L. J. see Hanson, B. R., IR Sept./Oct. 98, p248-256 Shani, Uri Soil Hydraulic Models Selection Based on In-Situ Meas- urements, with Rachel Gordin-Katz, IR Nov./Dec. 98, p285-289 Singh, R. see Chatterjee, C., IR Mar./Apr. 98, p96-101 Sisodia, Sunita Modeling the Heat Sense Flowmeter, with Otto J Helweg, IR May/June 98, p148-151 Skowron, Eric M. see Abt, Steven R., IR Nov./Dec. 98, p311-315 Smiles, D. E. disc. (of Response of Unconfined Aquifer to Sudden Change in Boundary Head, by D. A. Lockington, IR Jan./Feb. 97, p24-27) with J. S. Knight, IR May/June 98, p184-186 Strelkoff, T. S. Influence of Canal Geometry and Dynamics on Control- lability, with J.L . Deltour, C. M. Burt, A. J. Clemmens and J. P. Baume, IR Jan./Feb. 98, p16-22

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SUBJECT INDEX CONTROL THEORY SUBJECT INDEX Accuracy Improved Proportional-Integral (PI) Logic for Canal Au- Channels, waterways Rating Adjustment for Settlement of Cutthroat Flumes, tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V. Side-Weir Flow in Curved Channels, Hayrullah Agac- Steven R. Abt, Bryan C. Ruth and Eric M. Skowron, Ruiz C., IR Jan./Feb. 98, p53-57. cioglu and Yalcin Yiiksel, IR May/June 98, p163-175. IR Nov./Dec. 98, p311-315. Influence of Canal Geometry and Dynamics on Control- Characteristics Agricultural economics lCalbielmitmye, nTs. Sa.n dS tJr.e lPk.o fBfa, umJ.e ,L . IDRe lJtaonu.r/,F ebC.. M9.8, Bpu1r6t-,2 2A.. J. Evaluation of Time-Rated Infiltration Families for Non- Irrigated Cropping Optimization, H. O. Carvallo, E. A. cracking Soils, B. L. Maheshwari and D. Kelly, IR Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ Test Cases for Canal Control Algorithms, A. J. Clem- July/Aug. 97, p238-245. Apr. 98, p67-72. mIeRn sJ,a n.T/.F ebF.. K9a8c, epr2e3k-,3 0B.. Grawitz and W. Schuurmans, Two-Phase-Reactive Solute-Transport Simulation in Un- Agricultural engineering saturated Zone, Sulekha, D. Kashyap and W. H. M. Refining the Definition of Field Capacity in the Litera- Bed material Duijnisveld, IR May/June 98, p140-147. ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. Global Identification of Surface Irrigation Parameters, Chemicals Scott A. Yost and Nikolaos D. Katopodes, IR May/ Agriculture June 98, p131-139. Nonhydrostatic Model for Surface Irrigation, Scott F. Use of Rubber Dams for Flood Mitigation in Hong Kong, Bradford and Nikolaos D. Katopodes, IR July/Aug. 98, Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. Border irrigation p200-212. Algorithms Estimation of Surface Volume in Hydrological Models Circular channels CanRaolg erCso ntarnodl JeAalng oGroiutshsmasr d,C uIrRr eJnatnl.y/ Feibn. U9s8e,, p1D1a-v1i5d. C. fBoarr raBgoarnd,e r IR IrSreipgta.t/iOocnt, . J9o8a,q upi2n3 8-M2o4n7s.e rrat and Javier ChoBkeed- FrEelee vatFiloonws , in SCuibrhcausliasrh ChDaenyn,e lsI R wiNtho v.I/nDcerce.a se 98i,n Classification of Canal Control Algorithms, Piere Boussinesq equations p317-320. Olivier Malaterre, David C. Rogers and Jan Schuur- Comparison of Numerical and Analytical Solutions of Classification mans, IR Jan./Feb. 98, p3-10. Boussinesq Equation in Semiinfinite Flow Region, A. Classification of Canal Control Algorithms, Pierre- Development and Evaluation of Canal Automation Algo- Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Olivier Malaterre, David C. Rogers and Jan Schuur- rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- p265-270. mans, IR Jan./Feb. 98, p3-10. terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Response of Unconfined Aquifer to Sudden Change in Closed loop systems Feb. 98, p40-46. Boundary Head, D. A. Lockington, IR Jan./Feb. 97, Global Identification of Surface Irrigation Parameters, p24-27. IntJreoadnu-cLtiuocn Doefl tSomuirt h anPdr edFircatonrc k inStoa nfDiylnipapmoi,c IRRe gJualna.t/iFoenb,. Scott A. Yost and Nikolaos D. Katopodes, IR May/ Bridge construction 98, p47-52. June 98, p131-139. Improved Proportional-Integral (PI) Logic for Canal Au- Construction Forum, SC Feb. 97, p9-15. Community relations tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V. Canal design Construction Forum, SC Feb. 97, p9-15. Ruiz C., IR Jan./Feb. 98, p53-57. Influence of Canal Geometry and Dynamics on Control- Computation TesmIte Rn CsJa,a sn.eT/s.F ebFf..o r K9a8Cc,a enpra2el3k -,3 C0o.Bn. t rGorla wiAtlzg oraintdh mWs., SAc.h uJu.r mCalnesm,- lCalbielmitmye, nsT. Sa.n dS tJr.e lPk.o fBfa, umJ.e ,L . IDRe lJtaonu.r/,F ebC.. M9.8, Bpu1r6t-,2 2A.. J. GraFdouraml,l y DavViadr ieGd. RFhloodwe s, SoIlRu tJiuolnys /Auign. N9e8w, tpo2n -Raphson Analysis Canals Computer models AnaClayltciuclaalt ioAn,p proJoahcnh Df.or VDailrieacntt zaDsr,i p ILRa teNroalv ./HDyedcr.a ul9i8c, CanRaolg erCso ntarnodl JeAaln goGroiutshsmasr d,C uIrRr eJnatnl.y/ Feibn. U9s8e,, p1D1a-v1i5d. C. NonTdhiemoednosri oSn.a lS treElxkopfrfe ssaindo n Alboefr t UnJs. tCelaedmym enCsan,a l IR FJlaonw.,/ p300-305. Canal Control Algorithms Formulations, V. M. Ruiz- Feb. 98, p59-62. Response of Unconfined Aquifer to Sudden Change in CJaanr/mFoenba., 98A,. p3J1.- 3C9.l emmens and J. Schuurmans, IR Computer networks Boundary Head, D. A. Lockington, IR Jan./Feb. 97, Construction Forum, SC Feb. 97, p9-15. p24-27. Classification of Canal Control Algorithms, Pierre- Semianalytical Solution to Richards’ Equation for Lay- Olivier Malaterre, David C. Rogers and Jan Schuur- Constitutive relations ered Porous Media, Fred Marinelli and Deanna S. mans, IR Jan./Feb. 98, p3-10. Semianalytical Solution to Richards’ Equation for Lay- Durnford, IR Nov./Dec. 98, p290-299. Development and Evaluation of Canal Automation Algo- ered Porous Media, Fred Marinelli and Deanna S. rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- Durnford, IR Nov./Dec. 98, p290-299. Analytical techniques terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan/ Constriction Comparison of Numerical and Analytical Solutions of Feb. 98, p40-46. Boussinesq Equation in Semiinfinite Flow Region, A Scouring in Long Contractions, Siow-Yong Lim and Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. p265-270. Idealized Automated Control of Sloping Canals, John B. Control Approximation Parrish, IR July/Aug. 97, p270-278. Classification of Canal Control Algorithms, Pierre- Response of Unconfined Aquifer to Sudden Change in Improved Proportional-Integral (PI) Logic for Canal Au- Olivier Malaterre, David C. Rogers and Jan Schuur- Boundary Head, D. A. Lockington, IR Jan./Feb. 97, tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V mans, IR Jan./Feb. 98, p3-10. p24-27. Ruiz C., IR Jan./Feb. 98, p53-57. Development and Evaluation of Canal Automation Algo- Aquifers Influence of Canal Geometry and Dynamics on Control- rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- lability, T.S . Strelkoff, J. L. Deltour, C. M. Burt, A. J terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Comparison of Numerical and Analytical Solutions of Clemmens and J. P. Baume, IR Jan/Feb. 98, p16-22. Feb. 98, p40-46. Boussinesq Equation in Semiinfinite Flow Region, A. Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Introduction of Smith Predictor into Dynamic Regulation, Improved Proportional-Integral (PI) Logic for Canal Au- p265-270. Jean-Luc Deltour and Franck Sanfilippo, IR Jan./Feb. tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V. 98, p47-52. Ruiz C., IR Jan/Feb. 98, p53-57. Response of Unconfined Aquifer to Sudden Change in Boundary Head, D. A. Lockington, IR Jan./Feb. 97, Nondimensional Expression of Unsteady Canal Flow, Influence of Canal Geometry and Dynamics on Control- p24-27. Theodor S. Strelkoff and Albert J. Clemmens, IR Jan./ lability, T. S. Strelkoff, J. L. Deltour, C. M. Burt, A. J. Feb. 98, p59-62. Clemmens and J. P. Baume, IR Jan./Feb. 98, p16-22. ASCE Committees PILOTE: Linear Quadratic Optimal Controller for Irriga- Introduction of Smith Predictor into Dynamic Regulation, Development and Evaluation of Canal Automation Algo- tion Canals, P. O. Malaterre, IR July/Aug. 98, p187- Jean-Luc Deltour and Franck Sanfilippo, IR Jan./Feb. rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- 194. 98, p47-52. terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Nondimensional Expression of Unsteady Canal Flow, Feb. 98, p40-46. Test Cases for Canal Control Algorithms, A. J. Clem- Theodor S. Strelkoff and Albert J. Clemmens, IR Jan/ ASCE Publications mIeRn sJ,a n./T.F ebF.. K9a8,c epr2e3k-,3 0.B. Grawitz and W. Schuurmans, Feb. 98, p59-62. Questionnaire, A. R. Rao, IR Sept/Oct. 98, p237. Test Cases for Canal Control Algorithms, A. J. Clem- Capacity mens, T. F. Kacerek, B. Grawitz and W. Schuurmans, Automation Refining the Definition of Field Capacity in the Litera- IR Jan./Feb. 98, p23-30. Canal Control Algorithms Formulations, V. M. Ruiz- ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232 Control systems Carmona, A. J. Clemmens and J. Schuurmans, IR Jan./Feb. 98, p31-39. Channel beds Canal Control Algorithms Currently in Use, David C. Classification of Canal Control Algorithms, Pierre- Choke-Free Flow in Circular Channels with Increase in Rogers and Jean Goussard, IR Jan./Feb. 98, p11-15. Olivier Malaterre, David C. Rogers and Jan Schuur- Bed Elevations, Subhasish Dey, IR Nov./Dec. 98, Canal Control Algorithms Formulations, V. M. Ruiz- mans, IR Jan./Feb. 98, p3-10. p317-320. Carmona, A. J. Clemmens and J. Schuurmans, IR Jan/Feb. 98, p31-39. Devrietlhomp mCeLnItS , anFdu bEov aLliuua,t iJoann oFfe yCeann,a lP ieArurteo-mOlaitviioenr MAallgao-- Channel bends PILOTE: Linear Quadratic Optimal Controller for Irriga- terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Side-Weir Flow in Curved Channels, Hayrullah Agac- tion Canals, P. O. Malaterre, IR July/Aug. 98, p187- Feb. 98, p40-46. cioglu and Yalcin Yiiksel, IR May/June 98, p163-175. 194 Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. Channel flow Control theory Idealized Automated Control of Sloping Canals, John B. Side-Weir Flow in Curved Channels, Hayrullah Agac- Idealized Automated Control of Sloping Canals, John B. Parrish, IR July/Aug. 97, p270-278. cioglu and Yalcin Yiiksel, IR May/June 98, p163-175. Parrish, IR July/Aug. 97, p270-278. 331 COST ALLOCATION 1998 ANNUAL INDEX Cost allocation Drains Comparison of Numerical and Analytical Solutions of Cost Allocation for Multiuse Water Systems in Egypt, Theory of Pipe Drainage Assisted by Mole Drainage, Boussinesq Equation in Semiinfinite Flow Region, A. William J. Grenney, Ibrahim E] Assiouti, Parviz Hek- Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, mat, J. Paul Riley and Robert A. Young, IR July/Aug. p265-270. 98, p195-199. Dynamics Scouring in Long Contractions, Siow-Yong Lim and Influence of Canal Geometry and Dynamics on Control- Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. Cracking lability, T. S. Strelkoff, J. L. Deltour, C. M. Burt, A. J. Infiltration Model for Furrow Irrigation, Juan Enciso- Clemmens and J. P. Baume, IR Jan./Feb. 98, p16-22. Flow characteristics Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ Introduction of Smith Predictor into Dynamic Regulation, Flow Characteristics of Chimney Weir under Submer- Apr. 98, p73-80. Jean-Luc Deltour and Franck Sanfilippo, IR Jan./Feb. gence, C. Chatterjee, R. Singh, S. K. Kar, S. N. Panda Cranes 98, p47-52. and S. L. Bohara, IR Mar./Apr. 98, p96-101. Construction Forum, SC Feb. 97, p9-15. Egypt Flow control Crop production Cost Allocation for Multiuse Water Systems in Egypt, Fluidic Device for Surge Flow Irrigation, Polioptro William J. Grenney, Ibrahim El Assiouti, Parviz Hek- Martinez-Austria and Alvaro A. Aldama, IR Sept./Oct. Irrigated Cropping Optimization, H. O. Carvallo, E. A. mat, J. Paul Riley and Robert A. Young, IR July/Aug. 98, p262-264. Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ 98, p195-199. Apr. 98, p67-72. Flow measurement Crop yield Elevation Head-Discharge Relationship in Flumes of Compound Choke-Free Flow in Circular Channels with Increase in Sections, Issam A. Al-Khatib, IR May/June 98, p177- Nonlinear Programming Model for Extensive Irrigation, Bed Elevations, Subhasish Dey, IR Nov./Dec. 98, 179. CM.a r.N/aAgparr.a ju9 8, Kup1m2a3r-,1 26N.. Indrasenan and K. Elango, IR p317-320. Mobile Prisms for Flow Measurement in Rectangular Employment conditions Channels, A. Peruginelli and F. Bonacci, IR May/June Crops 97, p170-174. Construction Forum, SC Feb. 97, p9-15. Irrigated Cropping Optimization, H. O. Carvallo, E. A. Modeling the Heat Sense Flowmeter, Sunita Sisodia and Holzapfel, M. A. Lopez and M. A. Mariiio, IR Mar./ Energy Otto J. Helweg, IR May/June 98, p148-151. Apr. 98, p67-72. Measuring Droplet Impact Energy with Piezoelectric Rating Adjustment for Settlement of Cutthroat Flumes, Nonlinear Programming Model for Extensive Irrigation, Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR Steven R. Abt, Bryan C. Ruth and Eric M. Skowron, C. Nagaraju Kumar, N. Indrasenan and K. Elango, IR July/Aug. 98, p213-217. IR Nov./Dec. 98, p311-315. Mar./Apr. 98, p123-126 Spatial and Temporal Errors in Estimating Regional Equipment Flow patterns Evapotranspiration, Mansoor A. Hashmi and Luis A. Fluidic Device for Surge Flow Irrigation, Polioptro Generalized Culvert Design Diagram, Willi H. Hager and Garcia, IR Mar./Apr. 98, p108-114. Martinez-Austria and Alvaro A. Aldama, IR Sept/Oct. Giuseppe Del Giudice, IR Sept./Oct. 98, p271-274. 98, p262-264. Cross sections Flow rates ’ Erosion Head-Discharge Relationship in Flumes of Compound Error Analysis of Flow Meter Measurements, B. R. Han- Sections, Issam A. Al-Khatib, IR May/June 98, p177- Effective Erosion Parameters for Slopes with Spatially son and L. J. Schwankl, IR Sept./Oct. 98, p248-256. 179. Varying Properties, Rao S. Govindaraju, IR Mar./Apr. 98, p81-88. Flow resistance Culverts Error analysis Scouring in Long Contractions, Siow-Yong Lim and Generalized Culvert Design Diagram, Willi H. Hager and Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. Giuseppe Del Giudice, IR Sept./Oct. 98, p271-274. Error Analysis of Flow Meter Measurements, B. R. Han- son and L. J. Schwankl, IR Sept./Oct. 98, p248-256. Flumes Cylinders Estimation Head-Discharge Relationship in Flumes of Compound Overflow Characteristics of Circular Weirs: Effects of Sections, Issam A. Al-Khatib, IR May/June 98, p177- Inflow Conditions, H. Chanson and J. S. Montes, IR Converting from Pan Evaporation to Evapotranspiration, 179. May/June 98, p152-162. N. S. Raghuwanshi and W. W. Wallender, IR Sept./ Oct. 98, p275-277. Mobile Prisms for Flow Measurement in Rectangular Dams Evaluation of Time-Rated Infiltration Families for Non- Channels, A. Peruginelli and F. Bonacci, IR May/June Use of Rubber Dams for Flood Mitigation in Hong Kong, cracking Soils, B. L. Maheshwari and D. Kelly, IR 7, p170-174. Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. July/Aug. 97, p238-245. Rating Adjustment for Settlement of Cutthroat Flumes, DReeffiinniitnigo nsth e Definition of Field Capacity in the Litera- Themoarteitoinc,a l BoJfuust iYfiuc,a tIioRn Noovf. /SDCeSc . Me9t8,h opd3 06f-or3 1R0u.n off Esti- SItR evNeonv ./RD.e cA.b t,9 8,B rpy3a1n1 -3C1.5 .R uth and Eric M. Skowron, ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. Evaporation Free surfaces DGeenseirganl ized Culvert Design Diagram, Willi H. Hager and ConNv.e rSt.i nRg agfhruowma nPsahni Evaanpdo rWa.t ioWn. toW aElvlaepnodterra,n spIiRr atSieoptn.,/ GraFdouraml,l y DavViadr ieGd. RFhloodwe s, SoIlRu tJiuolnys/ Auign. N9e8w, tpo2n3-3R-a2p35h.s on Giuseppe Del Giudice, IR Sept./Oct. 98, p271-274. Oct. 98, p275-277. Furrow irrigation Spatial Modeling of Soil Properties for Subsurface Drain- Evapotranspiration Suitability of Selectted Flow Equations and Variation of age Projects, Mahmoud M. Moustafa and Atsushi Yo- Converting from Pan Evaporation to Evapotranspiration, anning’s n in Furrow Irrigation, M. Esfandiari and B. mata, IR July/Aug. 98, p218-228 N. S. Raghuwanshi and W. W. Wallender, IR Sept./ L. Maheshwari, IR Mar./Apr. 98, p89-95. Diffusion Oct. 98, p275-277. Geographic information systems Response of Unconfined Aquifer to Sudden Change in Spatial and Temporal Errors in Estimating Regional Spatial and Temporal Errors in Estimating Regional Boundary Head, D. A. Lockington, IR Jan./Feb. 97, Evapotranspiration, Mansoor A. Hashmi and Luis A. Evapotranspiration, Mansoor A. Hashmi and Luis A. p24-27. Garcia, IR Mar./Apr. 98, p108-114. Garcia, IR Mar./Apr. 98, p108-114. Discharge Experimentation Geometry Flow Characteristics of Chimney Weir under Submer- Overflow Characteristics of Circular Weirs: Effects of Analysis of Flow through Lateral Slot, Chandra Shekhar gence, C. Chatterjee, R. Singh, S. K. Kar, S. N. Panda Inflow Conditions, H. Chanson and J. S. Montes, IR P. Ojha and Damireddy Subbaiah, IR Sept./Oct. 97, and S. L. Bohara, IR Mar./Apr. 98, p96-101. May/June 98, p152-162. p402-405. Theory of Pipe Drainage Assisted by Mole Drainage, Feedback control Influence of Canal Geometry and Dynamics on Control- Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Test Cases for Canal Control Algorithms, A. J. Clem- lability, T. S. Strelkoff, J. L. Deltour, C. M. Burt, A. J. Discharge coefficients mens, T. F. Kacerek, B. Grawitz and W. Schuurmans, Clemmens and J. P. Baume, IR Jan./Feb. 98, p16-22. IR Jan./Feb. 98, p23-30. Analysis of Flow through Lateral Slot, Chandra Shekhar Hong Kong P. Ojha and Damireddy Subbaiah, IR Sept./Oct. 97, Field investigations Use of Rubber Dams for Flood Mitigation in Hong Kong, p402-405. Canal Control Algorithms Currently in Use, David C. Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. Head-Discharge Relationship in Flumes of Compound Rogers and Jean Goussard, IR Jan./Feb. 98, p11-15. Hydraulic conductivity S1e7c9t. ions, Issam A. Al-Khatib, IR May/June 98, p177- Field tests Theory of Pipe Drainage Assisted by Mole Drainage, Overflow Characteristics of Circular Weirs: Effects of SuiMtaabninliitnyg ’sof nS eilne cFtutredr owF loIrwr igEaqtuioant,i oMn.s Easnfda ndViaarriia tiaonnd Bo.f Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Inflow Conditions, H. Chanson and J. S. Montes, IR L. Maheshwari, IR Mar./Apr. 98, p89-95. Hydraulic models May/June 98, p152-162. Soil Hydraulic Models Selection Based on In-Situ Meas- Diversion Finite difference method urements, Uri Shani and Rachel Gordin-Katz, IR Analysis of Flow through Lateral Slot, Chandra Shekhar Twos-atPuhraasteed- ReZaocntei,v eS ulSeoklhuat,e -TDr.a nsKpaosrhty aSpi mualnadt ioWn. iHn. UMn-. Nov./Dec. 98, p285-289. P. Ojha and Damireddy Subbaiah, IR Sept./Oct. 97, Duijnisveld, IR May/June 98, p140-147. Hydraulics p402-405. Analytical Approach for Direct Drip Lateral Hydraulic Drainage Flood control Calculation, John D. Valiantzas, IR Nov./Dec. 98, Comparison of Numerical and Analytical Solutions of UseP auolf RWuibnbge r MiDnagm sT afmo,r FIlRo oMda r.M/iAtpigra.t i9o7n, ipn7 3H-o78n.g Kong, p300-305. Boussinesq Equation in Semiinfinite Flow Region, A. Choke-Free Flow in Circular Channels with Increase in Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Flow Bed Elevations, Subhasish Dey, IR Nov./Dec. 98, p265-270. Analysis of Flow through Lateral Slot, Chandra Shekhar p317-320. Refining the Definition of Field Capacity in the Litera- P. Ojha and Damireddy Subbaiah, IR Sept./Oct. 97, Generalized Culvert Design Diagram, Willi H. Hager and ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. p402-405. Giuseppe Del Giudice, IR Sept/Oct. 98, p271-274. 332 SUBJECT INDEX PROFILES Introduction of Smith Predictor into Dynamic Regulation, Layered systems Gradually Varied Flow Solutions in Newton-Raphson Jean-Luc Deltour and Franck Sanfilippo, IR Jan./Feb. Semianalytical Solution to Richards’ Equation for Lay- Form, David G. Rhodes, IR July/Aug. 98, p233-235. 98, p47-52. ered Porous Media, Fred Marinelli and Deanna S. Open channels Nondimensional Expression of Unsteady Canal Flow, Durnford, IR Nov./Dec. 98, p290-299. Theodor S. Strelkoff and Albert J. Clemmens, IR Jan./ Head-Discharge Relationship in Flumes of Compound Feb. 98, p59-62. Leaching Sections, Issam A. Al-Khatib, IR May/June 98, p177- Improved Water Quality through Water Table Manage- 179. Hydrologic models ment in Eastern Canada, M. N. Mejia and C. A. Ma- Mobile Prisms for Flow Measurement in Rectangular Estimation of Surface Volume in Hydrological Models dramootoo, IR Mar./Apr. 98, p116-112. Channels, A. Peruginelli and F. Bonacci, IR May/June for Border Irrigation, Joaquin Monserrat and Javier 97, p170-174. HydBrarorlaoggayn , IR Sept/Oct. 98, p238-247. LCoenasdterruschtiiopn Forum, SC Feb. 97, p9-15. NonTdhiemoednosri oSn.a lS treElkxopfrfe ssanido n Alboefr t UnJs. tCelaedmym enCsan,a l IR FJlaonw.,/ Converting from Pan Evaporation to Evapotranspiration, Maintenance Feb. 98, p59-62. N. S. Raghuwanshi and W. W. Wallender, IR Sept./ Cost Allocation for Multiuse Water Systems in Egypt, Openings Oct. 98, p275-277. William J. Grenney, Ibrahim El! Assiouti, Parviz Hek- Analysis of Flow through Lateral Slot, Chandra Shekhar Impact 9m8a,t , p1J9. 5P-a1u9l9 .R iley and Robert A. Young, IR July/Aug. pP.4 02O-j4h0a5 .a nd Damireddy Subbaiah, IR Sept./Oct. 97, Measuring Droplet Impact Energy with Piezoelectric Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR Management Operation July/Aug. 98, p213-217. Construction Forum, SC Feb. 97, p9-15. Cost Allocation for Multiuse Water Systems in Egypt, Infiltration Measurement William J. Grenney, Ibrahim El Assiouti, Parviz Hek- mat, J. Paul Riley and Robert A. Young, IR July/Aug. Evaluation of Time-Rated Infiltration Families for Non- Error Analysis of Flow Meter Measurements, B. R. Han- 98, p195-199. cracking Soils, B. L. Maheshwari and D. Kelly, IR son and L. J. Schwankl, IR Sept./Oct. 98, p248-256. July/Aug. 97, p238-245. Soil Hydraulic Models Selection Based on In-Situ Meas- Optimal control methods Global Identification of Surface Irrigation Parameters, urements, Uri Shani and Rachel Gordin-Katz, IR PILOTE: Linear Quadratic Optimal Controller for Irriga- Scott A. Yost and Nikolaos D. Katopodes, IR May/ Nov./Dec. 98, p285-289. tion Canals, P. O. Malaterre, IR July/Aug. 98, p187- June 98, p131-139. 194. Measuring instruments InfMiletdriatniao,n DMeordreell Mafrort inF uarnrdo w DeaIrnr igEaitsieonn,h auJeura,n IRE ncMiasro.-/ Error Analysis of Flow Meter Measurements, B. R. Han- Optimization models Apr. 98, p73-80. son and L. J. Schwankl, IR Sept/Oct. 98, p248-256. Irrigated Cropping Optimization, H. O. Carvallo, E. A KosMtoidaeklo,v JoIenlf ilCtarahtoioonn , PaIrRa mMeatre.r/sA prf.r o9m8 , Kpi1n2e7m-a1t3i0c. Wave MobCihlaen nelPsr,i smAs. Pfeorru giFnleolwl i Maenads uFr. eBmoennatc ci,i n IRR ecMtaayn/gJuulnaer HAoplrz.a p9f8e,l ,p 67M-.7 2.A . Lopez and M. A. Marifio, IR Mar./ 97, p170-174. Nonlinear Programming Model for Extensive Irrigation, Variable Surface Shape Factor Volume Balance: Irriga- C. Nagaraju Kumar, N. Indrasenan and K. Elango, IR tion Advance Equation, John D. Valiantzas, IR July/ Methodology Mar./Apr. 98, p123-126. Aug. 97, p307-312. Two-Phase-Reactive Solute-Transport Simulation in Un- Inflow sDautiujrnaitsevde ldZ,o nIeR, MSauyl/eJkuhna,e 9D8., pK1a4s0h-y1a4p7 . and W. H. M OAnuatlfyltoiwcsa l Approach for Direct Drip Lateral Hydraulic Overflow Characteristics of Circular Weirs: Effects of Calculation, John D. Valiantzas, IR Nov/Dec. 98, Inflow Conditions, H. Chanson and J. S. Montes, IR Modeling p300-305. May/June 98, p152-162. Kostiakov Infiltration Parameters from Kinematic Wave CIarnrCaiaglra mtioCononan t,r ol A. AlJg. orCiltehmmms enFso rmaunlda tioJ.n s,S chuV.u rmMa.n s,R uizI-R ModOMetotldoie lnJ,g. HJteohelelw eHCgea,ah to IoRSn e,nM saeIy R/ JFMulanorew. m/eA9tp8er,r ., p 1948S8,u- n1pi51t12a.7 -S1i3s0o.d ia and OOvveeIMrrnafffylll/oooJwwwu nCeCo hnad9r8ia,tc itpoen1rs5i,2s -ti1cH6s.2 . Cohfa nCsiorncu laarn d WeJ.i rSs.: MoEnffteecst,s IoRf Jan./Feb. 98, p31-39. Nonhydrostatic Model for Surface Irrigation, Scott F. Classification of Canal Control Algorithms, Pierre- Bradford and Nikolaos D. Katopodes, IR July/Aug. 98, Overland flow Olivier Malaterre, David C. Rogers and Jan Schuur- p200-212. Effective Erosion Parameters for Slopes with Spatially mans, IR Jan./Feb. 98, p3-10. Spatial Modeling of Soil Properties for Subsurface Drain- Varying Properties, Rao S. Govindaraju, IR Mar./Apr. Idealized Automated Control of Sloping Canals, John B age Projects, Mahmoud M. Moustafa and Atsushi Yo- 98, p81-88. Parrish, IR July/Aug. 97, p270-278. mata, IR July/Aug. 98, p218-228. Nonhydrostatic Model for Surface Irrigation, Scott F. Improved Proportional-Integral (PI) Logic for Canal Au- Suitability of Selectted Flow Equations and Variation of pB2ra0d0f-o 2r1d2 7 and Nikolaos D. Katopodes, IR July/Aug. 98, tomation, C. M. Burt, R. S. Mills, R. D. Khalsa and V Manning's n in Furrow Irrigation, M. Esfandiari and B Ruiz C., IR Jan./Feb. 98, p53-57. L. Maheshwari, IR Mar./Apr. 98, p89-95 Suitability of Selectted Flow Equations and Variation of Manning's n in Furrow Irrigation, M. Esfandiari and B. Irrigated Cropping Optimization, H. O. Carvallo, E. A Newton-Raphson method L. Maheshwari, IR Mar./Apr. 98, p89-95. Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ Gradually Varied Flow Solutions in Newton-Raphson Apr. 98, p67-72. Form, DavidG . Rhodes, IR July/Aug. 98, p233-235 Parameters Measuring Droplet Impact Energy with Piezoelectric Global Identification of Surface Irrigation Parameters, Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR Nile River Scott A. Yost and Nikolaos D. Katopodes, IR May/ July/Aug. 98, p213-217. Cost Allocation for Multiuse Water Systems in Egypt, June 98, p131-139 PILtiOoTnE :C anLailnse,a r P.Q uOa.d raMtailcat eOrrpet,i maIlR CJounltyr/oAlulge.r f9o8r, Ipr1ri8g7a-- Wm98ai,tl , lp1iJ9.a 5mP-a J1u9.l9 G.rR einlneye y,a ndI bRroabheirmt EAl. AYssoiuonugt,i, IPRa rJvuilzy /AHuegk.- KosMtoidaeklo,v JoIenlf ilCtarahtoioonn , PaIrRa mMeatre.r/sA prf.r o9m8 , Kpi1n2e7m-a1t3i0c. Wave 194. Soil Hydraulic Models Selection Based on In-Situ Meas- Irrigation programs Nitrates urements, Uri Shani and Rachel Gordin-Katz, IR Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. Improved Water Quality through Water Table Manage- Nov./Dec. 98, p285-289. ment in Eastern Canada, M. N. Mejia and C. A. Ma- Perturbation Irrigation scheduling dramootoo, IR Mar./Apr. 98, p116-112. PILOTE: Linear Quadratic Optimal Controller for Irriga- Nonlinear Programming Model for Extensive Irrigation, Nonlinear programming tion Canals, P. O. Malaterre, IR July/Aug. 98, p187- CMca.r .N/aAgparr.a j9u8 , Kupm12a3r-,1 2N6.. Indrasenan and K Elango, IR Nonlinear Programming Model for Extensive Irrigation, 194. Cc Nagaraju Kumar, N. Indrasenan and K. Elango, IR Piezoelectricity Irrigation systems Mar./Apr. 98, p123-126 Measuring Droplet Impact Energy with Piezoelectric Cost Allocation for Multiuse Water Systems in Egypt, Numerical analysis Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR Wmaitl,l iJa.m PaJu.l GrReinlneye y,a ndI bRroabheirmt EA]. AYssoiuonugt,i, IPRa rJvuilz y/HAeukg- Comparison of Numerical and Analytical Solutions of July/Aug. 98, p213-217. 98, p195-199 Boussinesq Equation in Semiinfinite Flow Region, A Pipes Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, Nonlinear Programming Model for Extensive Irrigation, p265-270 Theory of Pipe Drainage Assisted by Mole Drainage, C. Nagaraju Kumar, N. Indrasenan and K. Elango, IR Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Mar./Apr. 98, p123-126 Vartiiaonb leA dSvuarnfcaec e ESqhuaatpieo n,F acJtoohr n VoD.l umVael iaBnatzlaasn,c e: IR IrJruilgay-/ Polynomials Kalman filter Aug. 97, p307-312. Canal Control! Algorithms Formulations, V. M. Ruiz- PILtiOoTnE :C anLailnse,a r P.Q uOa.d raMtailcat eOrrpet,i maIlR CJounltyr/oAlulge.r f9o8r, Ipr1ri8g7a-- Numerical models CJaanr.m/oFenba., 98A,. p3J1.- 3C9.l emmens and J. Schuurmans, IR 194 Semeiraenda lyPtoircoauls SMoelduitiao,n Ftro edR icMhaarridnse’l liE quaantdi onD eafonrn aL ayS- Porous media Labor Durnford, IR Nov./Dec. 98, p290-299. Modeling the Heat Sense Flowmeter, Sunita Sisodia and Irrigated Cropping Optimization, H. O. Carvallo, E. A Two-Phase-Reactive Solute-Transport Simulation in Un- Otto J. Helweg, IR May‘June 98, p148-151 Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ saturated Zone, Sulekha, D. Kashyap and W. H. M Semianalytical Solution to Richards’ Equation for Lay- Apr. 98, p67-72. Duijnisveld, IR May/June 98, p140-147. ered Porous Media, Fred Marinelli and Deanna S. Durnford, IR Nov./Dec. 98, p290-299 Laterals Open channel flow Analytical Approach for Direct Drip Lateral Hydraulic Choke-Free Flow in Circular Channels with Increase in Profiles Calculation, John D. Valiantzas, IR Nov./Dec. 98, Bed Elevations, Subhasish Dey, IR Nov/Dec. 98, Gradually Varied Flow Solutions in Newton-Raphson p300-305. p317-320. Form, David G. Rhodes, IR July/Aug. 98, p233-235. 333 QUESTIONNAIRES 1998 ANNUAL INDEX Questionnaires Soil erosion Global Identification of Surface Irrigation Parameters, Questionnaire, A. R. Rao, IR Sept./Oct. 98, p237. Effective Erosion Parameters for Slopes with Spatially Scott A. Yost and Nikolaos D. Katopodes, IR May/ Varying Properties, Rao S. Govindaraju, IR Mar./Apr. June 98, p131-139. Rainfall-runoff relationships 98, p81-88. Infiltration Model for Furrow Irrigation, Juan Enciso- Theoretical Justification of SCS Method for Runoff Esti- Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ mation, Bofu Yu, IR Nov./Dec. 98, p306-310. Soil properties Apr. 98, p73-80. Ratings Spaatgiea l PMroojdeecltsi,n gM aofh mSooiuld ProMp.e rtMioeuss tfaofra Suabnsdu rfAtascues hiD raYion-- KosMtoidaeklo,v JoIenlf ilCtarhatoioonn , PaIrR amMeatre.r/sA prf.r o9m8 , Kpi1n2e7m-a1t3i0c. Wave Rating Adjustment for Settlement of Cutthroat Flumes, mata, IR July/Aug. 98, p218-228. Steven R. Abt, Bryan C. Ruth and Eric M. Skowron, Nonhydrostatic Model for Surface Irrigation, Scott F. IR Nov./Dec. 98, p311-315. Soil stresses Bradford and Nikolaos D. Katopodes, IR July/Aug. 98, Infiltration Model for Furrow Irrigation, Juan Enciso- p200-212. Rectangular cross section Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ Variable Surface Shape Factor Volume Balance: Irriga- Mobile Prisms for Flow Measurement in Rectangular Apr. 98, p73-80. tion Advance Equation, John D. Valiantzas, IR July/ Channels, A. Peruginelli and F. Bonacci, IR May/June Aug. 97, p307-312. 97, p170-174. Soil water Infiltration Model for Furrow Irrigation, Juan Enciso- Surface waters Regional analysis Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ Estimation of Surface Volume in Hydrological Models Spatial and Temporal Errors in Estimating Regional Apr. 98, p73-80. for Border Irrigation, Joaquin Monserrat and Javier Evapotranspiration, Mansoor A. Hashmi and Luis A. Barragan, IR Sept./Oct. 98, p238-247. Refining the Definition of Field Capacity in the Litera- Garcia, IR Mar./Apr. 98, p108-114. ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. Surge irrigation Regulation Soils Fluidic Device for Surge Flow Irrigation, Polioptro IntJreoadnu-cLtiuocn Doefl tSomuirt h anPdr edFircatonrc k inStoa nfDiylnipapmoi,c IRRe gJualna.t/iFoenb., Evaluation of Time-Rated Infiltration Families for Non- M98a,r tpi2n6e2z--2A6u4s.t ria and Alvaro A. Aldama, IR Sept./Oct. 98, p47-52. cracking Soils, B. L. Maheshwari and D. Kelly, IR July/Aug. 97, p238-245. Tests Rehabilitation Soil Hydraulic Models Selection Based on In-Situ Meas- Test Cases for Canal Control Algorithms, A. J. Clem- Cost Allocation for Multiuse Water Systems in Egypt, urements, Uri Shani and Rachel Gordin-Katz, IR mens, T. F. Kacerek, B. Grawitz and W. Schuurmans, William J. Grenney, Ibrahim E] Assiouti, Parviz Hek- Nov./Dec. 98, p285-289. IR Jan./Feb. 98, p23-30 m98a,t , p1J9. 5P-a1u9l9 .R iley and Robert A. Young, IR July/Aug. Soils, unsaturated Thermal factors Two-Phase-Reactive Solute-Transport Simulation in Un- Modeling the Heat Sense Flowmeter, Sunita Sisodia and Resistance saturated Zone, Sulekha, D. Kashyap and W. H. M. Otto J. Helweg, IR May/June 98, p148-151. Global Identification of Surface Irrigation Parameters, Duijnisveld, IR May/June 98, p140-147. Time dependence Scott A. Yost and Nikolaos D. Katopodes, IR May/ June 98, p131-139 Solutes Variable Surface Shape Factor Volume Balance: Irriga- Two-Phase-Reactive Solute-Transport Simulation in Un- tion Advance Equation, John D. Valiantzas, IR July/ Reviews saturated Zone, Sulekha, D. Kashyap and W. H. M. Aug. 97, p307-312. Questionnaire, A. R. Rao, IR Sept./Oct. 98, p237. Duijnisveld, IR May/June 98, p140-147. Time factors Rubber Spacing Spatial and Temporal Errors in Estimating Regional Use of Rubber Dams for Flood Mitigation in Hong Kong, Theory of Pipe Drainage Assisted by Mole Drainage, Evapotranspiration, Mansoor A. Hashmi and Luis A. Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. Garcia, IR Mar./Apr. 98, p108-114. Runoff Spatial analysis Training Theoretical Justification of SCS Method for Runoff Esti- Spatial Modeling of Soil Properties for Subsurface Drain- Construction Forum, SC Feb. 97, p9-15. mation, Bofu Yu, IR Nov./Dec. 98, p306-310. age Projects, Mahmoud M. Moustafa and Atsushi Yo- Transport phenomena Runoff forecasting mata, IR July/Aug. 98, p218-228. Nonhydrostatic Model for Surface Irrigation, Scott F. Theoretical Justification of SCS Method for Runoff Esti- Spatial data pB2r0a0d-f2o1rd2 . and Nikolaos D. Katopodes, IR July/Aug. 98, mation, Bofu Yu, IR Nov./Dec. 98, p306-310. Effective Erosion Parameters for Slopes with Spatially Varying Properties, Rao S. Govindaraju, IR Mar./Apr. Two-Phase-Reactive Solute-Transport Simulation in Un- Scour 98, p81-88. saturated Zone, Sulekha, D. Kashyap and W. H. M. Scouring in Long Contractions, Siow-Yong Lim and Duijnisveld, IR May/June 98, p140-147. Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. SpaEtviaalp otraannds piTreamtpioonr,a l MaEnrsroorosr iAn. EHsatsihmmait inagn d ReLguiiso naAl. Trickle irrigation Secondary flow Garcia, IR Mar./Apr. 98, p108-114. Analytical Approach for Direct Drip Lateral Hydraulic Side-Weir Flow in Curved Channels, Hayrullah Agac- Steady flow Calculation, John D. Valiantzas, IR Nov./Dec. 98, cioglu and Yalcin Yiiksel, IR May/June 98, p163-175. p300-305. Choke-Free Flow in Circular Channels with Increase in Sediment discharge Bed Elevations, Subhasish Dey, IR Nov./Dec. 98, Turbulence Scouring in Long Contractions, Siow-Yong Lim and p317-320. Error Analysis of Flow Meter Measurements, B. R. Han- Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261. Subirrigation son and L. J. Schwankl, IR Sept./Oct. 98, p248-256. Selection Improved Water Quality through Water Table Manage- Two-dimensional models Soil Hydraulic Models Selection Based on In-Situ Meas- ment in Eastern Canada, M. N. Mejia and C. A. Ma- Infiltration Model for Furrow Irrigation, Juan Enciso- urements, Uri Shani and Rachel Gordin-Katz, IR dramootoo, IR Mar./Apr. 98, p116-112. Medina, Derrel Martin and Dean Eisenhauer, IR Mar./ Nov./Dec. 98, p285-289. Submerged flow Apr. 98, p73-80. Sensors Flow Characteristics of Chimney Weir under Submer- Unsaturated flow Measuring Droplet Impact Energy with Piezoelectric gence, C. Chatterjee, R. Singh, S. K. Kar, S. N. Panda Semianalytical Solution to Richards’ Equation for Lay- Film, J. M. Basahi, G. Fipps and M. J. McFarland, IR and S. L. Bohara, IR Mar./Apr. 98, p96-101. ered Porous Media, Fred Marinelli and Deanna S. July/Aug. 98, p213-217. Mobile Prisms for Flow Measurement in Rectangular Durnford, IR Nov./Dec. 98, p290-299 Modeling the Heat Sense Flowmeter, Sunita Sisodia and Channels, A. Peruginelli and F. Bonacci, IR May/June Unsteady flow Otto J. Helweg, IR May/June 98, p148-151. 97, p170-174. Nondimensional Expression of Unsteady Canal Flow, Settlement analysis Subsurface drainage TFehbe.o d9o8r, pS5.9 -S6tr2e lkoff and Albert J. Clemmens, IR Jan./ Rating Adjustment for Settlement of Cutthroat Flumes, Improved Water Quality through Water Table Manage- Steven R. Abt, Bryan C. Ruth and Eric M. Skowron, ment in Eastern Canada, M. N. Mejia and C. A. Ma- Variability IR Nov./Dec. 98, p311-315. dramootoo, IR Mar./Apr. 98, p116-112. Analytical Approach for Direct Drip Lateral Hydraulic Spatial Modeling of Soil Properties for Subsurface Drain- Calculation, John D. Valiantzas, IR Nov./Dec. 98, Sharp-crested weirs age Projects, Mahmoud M. Moustafa and Atsushi Yo- p300-305. Sidcei-oWgelui r andF lYoawl ciinn CYiuirkvseeld, ICRh aMnaneyl/sJ,u neH ay98r,u lpl1a6h3 -1A7g5a.c - mata, IR July/Aug. 98, p218-228. Volume measure Theory of Pipe Drainage Assisted by Mole Drainage, Estimation of Surface Volume in Hydrological Models Shear stress Helmi M. Hathoot, IR Mar./Apr. 98, p102-107. for Border Irrigation, Joaquin Monserrat and Javier Effective Erosion Parameters for Slopes with Spatially Subsurface flow Barragan, IR Sept./Oct. 98, p238-247 Varying Properties, Rao S. Govindaraju, IR Mar./Apr. 98, p81-88. Variable Surface Shape Factor Volume Balance: Irriga- Water content tion Advance Equation, John D. Valiantzas, IR July/ Refining the Definition of Field Capacity in the Litera- Slopes Aug. 97, p307-312. ture, M. H. Nachabe, P.E., IR July/Aug. 98, p230-232. EffVeactriyvien g ErPorsoipeornt iePsa,r aRmaeote rSs. Gfoovri nSdlaorpaejsu , wiItRh MaSrpa.t/iAaplrl.y Surface irrigation Water demand 98, p81-88. Estimation of Surface Volume in Hydrological Models Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. for Border Irrigation, Joaquin Monserrat and Javier Slots Barragan, IR Sept./Oct. 98, p238-247. Water flow Analysis of Flow through Lateral Slot, Chandra Shekhar Evaluation of Time-Rated Infiltration Families for Non- Editorial, A. J. Clemmens, IR Jan./Feb. 98, p1-2. P. Ojha and Damireddy Subbaiah, IR Sept/Oct. 97, cracking Soils, B. L. Maheshwari and D. Kelly, IR Generalized Culvert Design Diagram, Willi H. Hager and p402-405. July/Aug. 97, p238-245. Giuseppe Del Giudice, IR Sept./Oct. 98, p271-274. 334 SUBJECT INDEX WETTING FRONT Idealized Automated Control of Sloping Canals, John B. Parrish, IR July/Aug. 97, p270-278. Water levels Development and Evaluation of Canal Automation Algo- rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Feb. 98, p40-46. Water management Classification of Canal Control Algorithms, Pierre- Olivier Malaterre, David C. Rogers and Jan Schuur- mans, IR Jan./Feb. 98, p3-10. Development and Evaluation of Canal Automation Algo- rithm CLIS, Fubo Liu, Jan Feyen, Pierre-Olivier Mala- terre, Jean-Pierre Baume and Pascal Kosuth, IR Jan./ Feb. 98, p40-46. Fluidic Device for Surge Flow Irrigation, Polioptro Martinez-Austria and Alvaro A. Aldama, IR Sept./Oct 98, p262-264. Water quality Improved Water Quality through Water Table Manage- ment in Eastern Canada, M. N. Mejia and C. A. Ma- dramootoo, IR Mar./Apr. 98, p1 16-112. Water resources Irrigated Cropping Optimization, H. O. Carvallo, E. A Holzapfel, M. A. Lopez and M. A. Marifio, IR Mar./ Apr. 98, p67-72. Water table Comparison of Numerical and Analytical Solutions of Boussinesq Equation in Semiinfinite Flow Region, A. Upadhyaya and H. S. Chauhan, IR Sept/Oct. 98, p265-270. Improved Water Quality through Water Table Manage- ment in Eastern Canada, M. N. Mejia and C. A. Ma- dramootoo, IR Mar./Apr. 98, p1 16-112. Water use Fluidic Device for Surge Flow Irrigation, Polioptro Martinez-Austria and Alvaro A. Aldama, IR Sept/Oct 98, p262-264. Weirs Flow Characteristics of Chimney Weir under Submer- gence, C. Chatterjee, R. Singh, S. K. Kar, S. N. Panda and S. L. Bohara, IR Mar./Apr. 98, p96-101. Overflow Characteristics of Circular Weirs: Effects of Inflow Conditions, H. Chanson and J. S. Montes, IR May/June 98, p152-162. Use of Rubber Dams for Flood Mitigation in Hong Kong, Paul Wing Ming Tam, IR Mar./Apr. 97, p73-78. Wetting front Variable Surface Shape Factor Volume Balance: Irriga- tion Advance Equation, John D. Valiantzas, IR July/ Aug. 97, p307-312 1998 ANNUAL INDEX AUTHOR INDEX Abt, Steven R. Del Giudice, Giuseppe Kashyap, D. Rating Adjustment for Settlement of Cutthroat Flumes, see Hager, Willi H., IR Sept./Oct. 98, p271-274 see Sulekha, IR May/June 98, p140-147 with Bryan C. Ruth and Eric M. Skowron, IR Nov./ Dec. 98, p311-315 Deltour, J.L Katopodes, Nikolaos D. see Strelkoff, ¥ S., IR Jan/Feb. 98, p16-22 see Bradford, Scott F., IR July/Aug. 98, p200-212 Agaccioglu, Hayrullah Deltour, Jean-Luc see Yost, Scott A., IR May/June 98, p131-139 SidIeR- WMeaiyr/ JFulnoew 9i8n, Cpu1r6v3e-d1 7C5h annels, with Yalcin Yiiksel, Intwriotdhu cFtrioann cko f SSamniftihli pPproe,d iIcRt oJra ni.n/tFoe bD. yn9a8,m ipc4 7-R5e2gu lation, sKeeel lMy,a hDe.s hwari, B. L., IR July/Aug. 97, p238-245 Aldama, Alvaro A. Dey, Subhasish see Martinez-Austria, Polioptro, IR Sept./Oct. 98, p262- Choke-Free Flow in Circular Channels with Increase in Khalsa, R. D. 264 Bed Elevations, IR Nov./Dec. 98, p317-320 see Burt, C. M., IR Jan./Feb. 98, p53-57 Al-Khatib, Issam A. Duijnisveld, W. H. M. Knight, J. S. Head-Discharge Relationship in Flumes of Compound see Sulekha, IR May/June 98, p140-147 see Smiles, D. E., (disc), IR Jan/Feb. 97, p24-27 Sections, IR May/June 98, p177-179 Durnford, Deanna S. Kosuth, Pascal Barragan, Javier see Marinelli, Fred, IR Nov./Dec. 98, p290-299 see Liu, Fubo, IR Jan./Feb. 98, p40-46 see Monserrat, Joaquin, IR Sept./Oct. 98, p238-247 see Monserrat, Joaquin, (disc), IR July/Aug. 97, p307- Eisenhauer, Dean Kumar, C. Nagaraju 312 see Enciso-Medina, Juan, IR Mar./Apr. 98, p73-80 Nonlinear Programming Model for Extensive Irrigation, BMaesaashuir,i nJg. M.D roplet Impact Energy with Piezoelectric sEele AGssrieonunteiy,, IWbirlalhiiamm J., IR July/Aug. 98, p195-199 pwi1t2h3 -1N.2 6 Indrasenan and K. Elango, IR Mar./Apr. 98, Film, with G. Fipps and M. J. McFarland, IR July/Aug. Elango, K. Lim, Siow-Yong 98, p213-217 see Kumar, C. Nagaraju, IR Mar./Apr. 98, p123-126 Scouring in Long Contractions, with Nian-Sheng Cheng, IR Sept./Oct. 98, p258-261 Baume,J . P. Enciso-Medina, Juan see Strelkoff, T. S., IR Jan./Feb. 98, p16-22 Infiltration Model for Furrow Irrigation, with Derrel Mar- Liu, Fubo Baume, Jean-Pierre tin and Dean Eisenhauer, IR Mar./Apr. 98, p73-80 Development and Evaluation of Canal Automation Algo- see Liu, Fubo, IR Jan./Feb. 98, p40-46 Esfandiari, M. rJietahnm- PiCeLrIrSe , Bawiutmhe Jaann d FePyaescna,l PKioesrurteh-,Ol iIvRi erJ anM.a/lFaebt.e rr9e8,, Bautista, Eduardo Suitability of Selectted Flow Equations and Variation of p40-46 see Cle2m7m8e ns, Albert J., (disc), IR July/Aug. 97, p270- MMaanhnesihnwga’rsi , nI R iMna r.F/uArprr.o w 98, Irpr8i9g-at9i5o n, with Lockington, D. A. see Maheshwari, B. L., (disc), IR July/Aug. 97, p307-312 Response of Unconfined Aquifer to Sudden Change in Bohara, S. L. Feyen, Jan Boundary Head, IR Jan./Feb. 97, p24-27 see Chatterjee, C., IR Mar./Apr. 98, p96-101 see Liu, Fubo, IR Jan./Feb. 98, p40-46 disc: D. 9E8., Spm1i8l4e-s 18a6n d J. S. Knight, IR May/June Bonacci, F. Fipps, G. see Peruginelli, A., IR May/June 97, p170-174 see Basahi, J. M., IR July/Aug. 98, p213-217 Lopez, M. A. see Carvallo, H. O., IR Mar./Apr. 98, p67-72 Bradford, Scott F. Garcia, Luis A. Nonhydrostatic Model for Surface Irrigation, with Niko- see Hashmi, Mansoor A., IR Mar./Apr. 98, p108-114 Madramootoo, C. A. laos D. Katopodes, IR July/Aug. 98, p200-212 see Mejia, M. N., IR Mar./Apr. 98, p116-112 Ghodsian, Masoud Burt, C. M. disc. (of Analysis of Flow through Lateral Slot, by Chan- Maheshwari, B. L. Improved Proportional-Integral (PI) Logic for Canal Au- dra Shekhar P. Ojha and Damireddy Subbaiah, IR Evaluation of Time-Rated Infiltration Families for Non- tomation, with R. S. Mills, R. D. Khalsa and V. Ruiz Sept./Oct. 97, p402-405), IR Nov./Dec. 98, p327 cracking Soils, with D. Kelly, IR July/Aug. 97, p238- C., IR Jan./Feb. 98, p53-57 245 see Strelkoff, T. S., IR Jan./Feb. 98, p16-22 Gordin-Katz, Rachel disc: Albert J. Clemmens, IR Nov./Dec. 98, p328- Cahoon, Joel see Shani, Uri, IR Nov./Dec. 98, p285-289 330 Kostiakov Infiltration Parameters from Kinematic Wave Goussard, Jean clo: IR Nov./Dec. 98, p330 Model, IR Mar./Apr. 98, p127-130 see Rogers, David C., IR Jan./Feb. 98, p11-15 disc. (of Variable Surface Shape Factor Volume Balance: Irrigation Advance Equation, by John D. Valiantzas, Carvallo, H. O. Govindaraju, Rao S. IR July/Aug. 97, p307-312) with M. Esfandiari, IR Irrigated Cropping Optimization, with E. A. Holzapfel, Effective Erosion Parameters for Slopes with Spatially Nov./Dec. 98, p322-323 M. A. Lopez and M. A. Marifio, IR Mar./Apr. 98, Varying Properties, IR Mar./Apr. 98, p81-88 see Esfandiari, M., IR Mar./Apr. 98, p89-95 p67-72 Grawitz, B. Chanson, H. see Clemmens, A. J., IR Jan./Feb. 98, p23-30 MPaIlLaOtTeEr:r e,L inPe. arO . Quadratic Optimal Controller for Irriga- Overflow Characteristics of Circular Weirs: Effects of Grenney, William J. tion Canals, IR July/Aug. 98, p187-194 Inflow Conditions, with J. S. Montes, IR May/June 98, Cost Allocation for Multiuse Water Systems in Egypt, p152-162 with Ibrahim Ei Assiouti, Parviz Hekmat, J. Paul Riley Malaterre, Pierre-Olivier Chanson, Hubert and Robert A. Young, IR July/Aug. 98, p195-199 ClaCs.s ifRiocgaetriso n anodf JCaann aSlc hCuounrtmraonls , AlIgRo rJiatnh.m/sFe,b . wi9t8h, pD3a-v1i0d disc. (of Use of Rubber Dams for Flood Mitigation in Hager, Willi H. see Liu, Fubo, IR Jan./Feb. 98, p40-46 Hong Kong, by Paul Wing Ming Tam, IR Mar./Apr. Generalized Culvert Design Diagram, with Giuseppe Del 97, p73-78), IR May/June 98, p181-182 Giudice, IR Sept./Oct. 98, p271-274 Marinelli, Fred Chatterjee, C. Hanson, B. R. Semianalytical Solution to Richards’ Equation for Lay- Flow Characteristics of Chimney Weir under Submer- Error Analysis of Flow Meter Measurements, with L. J. ered Porous Media, with Deanna S. Durnford, IR gence, with R. Singh, S. K. Kar, S. N. Panda and S. L. Schwankl, IR Sept./Oct. 98, p248-256 Nov./Dec. 98, p290-299 Bohara, IR Mar./Apr. 98, p96-101 Hashmi, Mansoor A. Marino, M. A. Chauhan, H. S. Spatial and Temporal Errors in Estimating Regional see Carvallo, H. O., IR Mar./Apr. 98, p67-72 see Upadhyaya, A., IR Sept./Oct. 98, p265-270 Evapotranspiration, with Luis A. Garcia, IR Mar./Apr. Martin, Derrel Cheng, Nian-Sheng 98, pl108-114 see Enciso-Medina, Juan, IR Mar./Apr. 98, p73-80 see Lim, Siow-Yong, IR Sept./Oct. 98, p258-261 THhaetohoroyt ,o f HPeilpmei DMr.ai nage Assisted by Mole Drainage, IR Martinez-Austria, Polioptro Clemmens, A. J. Mar./Apr. 98, p102-107 Fluidic Device for Surge Flow Irrigation, with Alvaro A. Editorial, IR Jan./Feb. 98, p1-2 Aldama, IR Sept./Oct. 98, p262-264 Test Cases for Canal Control Algorithms, with T. F. Ka- Hekmat, Parviz cerek, B. Grawitz and W. Schuurmans, IR Jan./Feb. see Grenney, William J., IR July/Aug. 98, p195-199 McFarland, M. J. 98, p23-30 Helweg, Otto J. see Basahi, J. M., IR July/Aug. 98, p213-217 see Ruiz-Carmona, V. M., IR Jan./Feb. 98, p31-39 see Sisodia, Sunita, IR May/June 98, p148-151 Mejia, M. N. see Strelkoff, T. S., IR Jan/Feb. 98, p16-22 Improved Water Quality through Water Table Manage- Cdilsce.m m(eonfs ,Ev aAllubaetriton J.o f Time-Rated Infiltration Families sHeoel zCaaprfveall,l o,E . HA.. O., IR Mar./Apr. 98, p67-72 mMeanrt. /Aipnr .E as9t8,e rnp 1 C1a6n-a1d1a2, with C. A. Madramootoo, IR for Noncracking Soils, by B. L. Maheshwari and D. Indrasenan, N. Mills, R. S. Kelly, IR July/Aug. 97, p238-245), IR Nov./Dec. 98, see Kumar, C. Nagaraju, IR Mar./Apr. 98, p123-126 see Burt, C. M., IR Jan./Feb. 98, p53-57 p328-330 Kacerek, T. F. disc. (of Idealized Automated Control of Sloping Canals, see Clemmens, A. J., IR Jan./Feb. 98, p23-30 Monserrat, Joaquin by John B. Parrish, IR July/Aug. 97, p270-278) with Estimation of Surface Volume in Hydrological Models Eduardo Bautista, IR Sept./Oct. 98, p280-281 Kar,S . K. for Border Irrigation, with Javier Barragan, IR Sept./ see Strelkoff, Theodor S., IR Jan./Feb. 98, p59-62 see Chatterjee, C., IR Mar./Apr. 98, p96-101 Oct. 98, p238-247 336 AUTHOR INDEX YUKSEL Monserrat, Joaquin Strelkoff, Theodor S. disc. (of Variable Surface Shape Factor Volume Balance: Nondimensional Expression of Unsteady Canal Flow, Irrigation Advance Equation, by John D. Valiantzas, with Albert J. Clemmens, IR Jan./Feb. 98, p59-62 IR July/Aug. 97, p307-312) with Barragan Javier, IR Nov./Dec. 98, p323-325 Subbaiah, Damireddy see Ojha, Chandra Shekhar P., IR Sept/Oct. 97, p402- Montes, J. S. 405 see Chanson, H., IR May/June 98, p152-162 Sulekha Moustafa, Mahmoud M. Two-Phase-Reactive Solute-Transport Simulation in Un- Spatial Modeling of Soil Properties for Subsurface Drain- saturated Zone, with D. Kashyap and W. H. M. age Projects, with Atsushi Yomata, IR July/Aug. 98, Duijnisveld, IR May/June 98, p140-147 p218-228 Swamee, Prabhata K. Nachabe, M. H., P.E. disc. (of Mobile Prisms for Flow Measurement in Rec- Refining the Definition of Field Capacity in the Litera- tangular Channels, by A. Peruginelli and F. Bonacci, ture, IR July/Aug. 98, p230-232 IR May/June 97, p170-174), IR Sept./Oct. 98, p279 Ojha, Chandra Shekhar P. Tam, Paul Wing Ming Analysis of Flow through Lateral Slot, with Damireddy Use of Rubber Dams for Flood Mitigation in Hong Kong, Subbaiah, IR Sept./Oct. 97, p402-405 IR Mar./Apr. 97, p73-78 disc: Masoud Ghodsian, IR Nov./Dec. 98, p327 disc: Hubert Chanson, IR May/June 98, p181-182 clo: IR Nov./Dec. 98, p327-328 clo: IR May/June 98, p182-184 Panda, S. N. Upadhyaya, A. see Chatterjee, C., IR Mar./Apr. 98, p96-101 Comparison of Numerical and Analytical Solutions of Boussinesq Equation in Semiinfinite Flow Region, Parrish, John B. with H. S. Chauhan, IR Sept./Oct. 98, p265-270 Idealized Automated Control of Sloping Canals, IR July/ Aug. 97, p270-278 Valiantzas, John D. disc: Albert J. Clemens and Eduardo Bautista, IR Analytical Approach for Direct Drip Lateral Hydraulic Sept./Oct. 98, p280-281 Calculation, IR Nov./Dec. 98, p300-305 clo: IR Sept/Oct. 98, p281-284 Variable Surface Shape Factor Volume Balance: Irriga- tion Advance Equation, IR July/Aug. 97, p307-312 Peruginelli, A. disc: B. L. Maheshswari and M. Esfandiari, IR Mobile Prisms for Flow Measurement in Rectangular Nov./Dec. 98, p322-323 Channels, with F. Bonacci, IR May/June 97, p170-174 disc: Joaquin Monserrat and Barragan Javier, IR disc: Prabhata K. Swamee, IR Sept./Oct. 98, p279 Nov./Dec. 98, p323-325 clo: IR Sept./Oct. 98, p279-280 clo: IR Nov./Dec. 98, p325-327 Raghuwanshi, N. S. Wallender, W. W. Converting from Pan Evaporation to Evapotranspiration, see Raghuwanshi, N. S., IR Sept./Oct. 98, p275-277 with W. W. Wallender, IR Sept/Oct. 98, p275-277 Yomata, Atsushi Rao, A. R. see Moustafa, Mahmoud M., IR July/Aug. 98, p218-228 Questionnaire, IR Sept./Oct. 98, p237 Yost, Scott A. Rhodes, David G. Global Identification of Surface Irrigation Parameters, Gradually Varied Flow Solutions in Newton-Raphson with Nikolaos D. Katopodes, IR May/June 98, p131- Form, IR July/Aug. 98, p233-235 139 Riley, J. Paul Young, Robert A. see Grenney, W‘lliam J., IR July/Aug. 98, p195-199 see Grenney, William J., IR July/Aug. 98, p195-199 Rogers, David C. Yu, Bofu Canal Control Algorithms Currently in Use, with Jean Theoretical Justification of SCS Method for Runoff Esti- Goussard, IR Jan./Feb. 98, p11-15 mation, IR Nov./Dec. 98, p306-310 see Malaterre, Pierre-Olivier, IR Jan./Feb. 98, p3-10 Yiksel, Yalcin Ruiz C., V. see Agaccioglu, Hayrullah, IR May/June 98, p163-175 see Burt, C. M., IR Jan./Feb. 98, p53-57 Ruiz-Carmona, V. M. Canal Control Algorithms Formulations, with A. J. Clem- mens and J. Schuurmans, IR Jan./Feb. 98, p31-39 Ruth, Bryan C. see Abt, Steven R., IR Nov./Dec. 98, p311-315 Sanfilippo, Franck see Deltour, Jean-Luc, IR Jan./Feb. 98, p47-52 Schuurmans, J. see Ruiz-Carmona, V. M., IR Jan./Feb. 98, p31-39 Schuurmans, Jan see Malaterre, Pierre-Olivier, IR Jan./Feb. 98, p3-10 Schuurmans, W. see Clemmens, A. J., IR Jan./Feb. 98, p23-30 Schwankl, L. J. see Hanson, B. R., IR Sept./Oct. 98, p248-256 Shani, Uri Soil Hydraulic Models Selection Based on In-Situ Meas- urements, with Rachel Gordin-Katz, IR Nov./Dec. 98, p285-289 Singh, R. see Chatterjee, C., IR Mar./Apr. 98, p96-101 Sisodia, Sunita Modeling the Heat Sense Flowmeter, with Otto J Helweg, IR May/June 98, p148-151 Skowron, Eric M. see Abt, Steven R., IR Nov./Dec. 98, p311-315 Smiles, D. E. disc. (of Response of Unconfined Aquifer to Sudden Change in Boundary Head, by D. A. Lockington, IR Jan./Feb. 97, p24-27) with J. S. Knight, IR May/June 98, p184-186 Strelkoff, T. S. Influence of Canal Geometry and Dynamics on Control- lability, with J.L . Deltour, C. M. Burt, A. J. Clemmens and J. P. Baume, IR Jan./Feb. 98, p16-22

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