SUBSURFACE HYDROLOGY GEORGE F. PINDER UniversityofVermont MICHAEL A. CELIA PrincetonUniversity AJOHNWILEY&SONS,INC.PUBLICATION SUBSURFACE HYDROLOGY SUBSURFACE HYDROLOGY GEORGE F. PINDER UniversityofVermont MICHAEL A. CELIA PrincetonUniversity AJOHNWILEY&SONS,INC.PUBLICATION Copyright©2006byJohnWiley&Sons,Inc.Allrightsreserved. PublishedbyJohnWiley&Sons,Inc.,Hoboken,NewJersey. PublishedsimultaneouslyinCanada. Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorby anymeans,electronic,mechanical,photocopying,recording,scanning,orotherwise,exceptaspermitted underSection107or108ofthe1976UnitedStatesCopyrightAct,withouteitherthepriorwritten permissionofthePublisher,orauthorizationthroughpaymentoftheappropriateper-copyfeetothe CopyrightClearanceCenter,Inc.,222RosewoodDrive,Danvers,MA01923,(978)750-8400, fax(978)750-4470,oronthewebatwww.copyright.com.RequeststothePublisherforpermissionshould beaddressedtothePermissionsDepartment,JohnWiley&Sons,Inc.,111RiverStreet,Hoboken,NJ07030, (201)748-6011,fax(201)748-6008,oronlineathttp://www.wiley.com/go/permission. LimitofLiability/DisclaimerofWarranty:Whilethepublisherandauthorhaveusedtheirbesteffortsin preparingthisbook,theymakenorepresentationsorwarrantieswithrespecttotheaccuracyorcompleteness ofthecontentsofthisbookandspecificallydisclaimanyimpliedwarrantiesofmerchantabilityorfitnessfora particularpurpose.Nowarrantymaybecreatedorextendedbysalesrepresentativesorwrittensalesmaterials. Theadviceandstrategiescontainedhereinmaynotbesuitableforyoursituation.Youshouldconsultwitha professionalwhereappropriate.Neitherthepublishernorauthorshallbeliableforanylossofprofitorany othercommercialdamages,includingbutnotlimitedtospecial,incidental,consequential,orotherdamages. Forgeneralinformationonourotherproductsandservicesorfortechnicalsupport,pleasecontactour CustomerCareDepartmentwithintheUnitedStatesat(800)762-2974,outsidetheUnitedStatesat (317)572-3993orfax(317)572-4002. Wileyalsopublishesitsbooksinavarietyofelectronicformats.Somecontentthatappearsinprintmaynot beavailableinelectronicformats.FormoreinformationaboutWileyproducts,visitourwebsiteat www.wiley.com. LibraryofCongressCataloging-in-PublicationData: Pinder,GeorgeFrancis,1942– Subsurfacehydrology/GeorgeF.Pinder. p.cm. Includesindex. ISBN-13:978-0-471-74243-2 (cloth) ISBN-10:0-471-74243-0(cloth) 1. Groundwater.2. Groundwater—Pollution. I.Celia,MichaelAnthony.II. Title. GB1003.2.P532006 551.49—dc22 2006001185 PrintedintheUnitedStatesofAmerica. 10987654321 ToPhyllisandLin CONTENTS PREFACE xiii 1 WATERANDTHESUBSURFACEENVIRONMENT 1 1.1 Groundwater Hydrology / 1 1.2 Groundwater and the Hydrologic Cycle / 2 1.3 Groundwater as a Resource / 4 1.4 Groundwater and the Subsurface / 5 1.5 The Near-Surface Environment / 7 1.5.1 Soil / 7 1.6 Porosity / 19 1.6.1 Primary Porosity / 19 1.6.2 Secondary Porosity / 19 1.7 Soil Water / 26 1.8 Groundwater Contamination / 27 1.8.1 Naturally Occurring Groundwater Contaminants / 28 1.8.2 Anthropogenic Contaminants / 32 1.8.3 Superfund / 41 1.9 Quantitative Analysis of Groundwater Problems / 44 1.9.1 Governing Equations / 46 1.9.2 Field Data / 47 1.9.3 Behavior of Groundwater Systems / 48 1.10 Summary / 48 1.11 Problems / 48 Bibliography / 50 vii viii CONTENTS 2 FLUIDFLOWANDMASSTRANSPORT 52 2.1 Fluid Pressure / 52 2.2 Hydraulic Head / 56 2.3 Fluid Potential / 57 2.4 Concept of Saturation / 62 2.5 The Darcy Experiment / 70 2.5.1 Extended Forms of Darcy’s Law / 85 2.5.2 Example of a Groundwater Flow Velocity Calculation in Two Dimensions / 89 2.5.3 Additional Concepts of Fluid Potential / 93 2.6 Fluid Flow and Mass and Energy Fluxes / 94 2.6.1 Convection, Diffusion, and Dispersion / 95 2.6.2 The Phenomena of Adsorption and Retardation / 99 2.7 Summary / 102 2.8 Problems / 102 Bibliography / 105 3 THEGEOLOGICSETTING 106 3.1 Unconsolidated Deposits / 106 3.1.1 Clastic Sedimentary Environment / 106 3.1.2 Precipitate Sedimentary Environment / 113 3.1.3 Glacial Environments / 113 3.2 Consolidated Rocks / 122 3.3 Metamorphic Rocks / 125 3.4 Igneous Rocks / 127 3.5 Geologic Time / 133 3.5.1 The Hadean Era / 134 3.5.2 The Archaean Era / 134 3.5.3 Proterozoic Era / 134 3.5.4 Paleozoic Era / 135 3.5.5 Mesozoic Era / 141 3.5.6 Cenozoic Era / 145 3.6 Field Investigation / 147 3.6.1 Near-Surface Investigation / 147 3.6.2 Deep Subsurface Investigation / 148 3.7 The Hydrogeological Record / 151 3.7.1 The Cross Section / 152 3.7.2 The Contour Map / 156 3.8 The Measurement of State Variables / 157 3.8.1 Water-Level Measurements / 157 3.8.2 Solute Concentration Measurements / 159