MODFLOW/SEAWAT-2000WMD Report – Version 4 Jorge Restrepo Angela Montoya September 2008 Prepared by the Department of Geosciences, Florida Atlantic University. For the South Florida Water Management District, Water Supply Department. MODFLOW/SEAWAT 2000WMD Report Blank page 2 MODFLOW/SEAWAT 2000WMD Report Acknowledgements Administrative Support: Jeff Giddings, South Florida Water Management District. Reviewers: Special recognition for Laura Kuebler. Reviewers: David Garces, Jeff Giddings and Hope Radin. 3 MODFLOW/SEAWAT 2000WMD Report Blank page 4 MODFLOW/SEAWAT 2000WMD Report Table of Contents Acknowledgements ........................................................................ 3 Table of Contents ............................................................................. 5 List of Tables ...................................................................................... 7 List of Figures ..................................................................................... 9 INTRODUCTION ............................................................................... 11 Introduction Specific to MODFLOW-2000 .................................................. 12 Introduction Specific to MT3DMS ............................................................... 14 Introduction Specific to SEAWAT-2000 ...................................................... 15 Running MODFLOW-2000 and SEAWAT-2000 ............................................ 15 SCOPE OF WORK FOR THE SOURCE MIGRATION FROM MODFLOW-96 TO SEAWAT-2000WMD ........................................... 16 IMPLEMENTATION OF THE SOURCE MIGRATION ........................... 17 Introduction .................................................................................................. 17 General Procedure for Memory Allocation .............................................. 17 INTRODUCTION OF THE MIGRATED PACKAGES TO THE SEAWAT 2000WMD ........................................................................................ 18 Utility Generation (UGEN) Package........................................................... 18 UGEN General Files ...................................................................................................................... 19 SEAWAT package input files using the UGEN ............................................................................. 21 Wetland (WTL) Package ............................................................................. 22 Strongly Implicit Procedure (SIP) Package Enhancements .................... 23 Reinjection Drainflow (RDF) Package ....................................................... 24 5 MODFLOW/SEAWAT 2000WMD Report Multi-Operation Diversion (MDIV) Package ............................................. 24 Trigger Package (TRG) with Multi Well Types ............................................ 26 Multiple Budget (MBUD) Package ............................................................. 28 Interpolation Head Boundary (HBXY) Package ....................................... 28 SEAWAT-2000WMD MODEL VERIFICATION ................................... 29 UTILITY WELL CREATION PACKAGE IN MODFLOW (PRE-WEL/WELT) ......................................................................................................... 30 Model Information ....................................................................................... 30 Permit allocation ......................................................................................... 31 REFERENCES ..................................................................................... 33 Appendix A ..................................................................................... 37 LECsR main name-file and output for the first 100 stress periods for both MODFLOW-96 and SEAWAT(v4) 2000 WMD ................... 37 Appendix B ..................................................................................... 39 LWCFL main name-file and output for 250 stress periods for both SEAWAT(v3) 2000 WMD and SEAWAT(v4) 2000 WMD ................. 39 Appendix C ..................................................................................... 41 USGS case 7 “7_swtv4_ex” main name-file and output for both USGS SEAWAT(v4) and SEAWAT(v4) 2000 WMD .......................... 41 6 MODFLOW/SEAWAT 2000WMD Report List of Tables Table 1 Files used in the pre-processor utility .............................................................................................. 30 7 MODFLOW/SEAWAT 2000WMD Report Blank page 8 MODFLOW/SEAWAT 2000WMD Report List of Figures Figure 1 Example of a portion of the source code is illustrated. .................................................................. 19 Figure 2 CHD, the program showing the interpolation procedure. .............................................................. 21 Figure 3. Time series for the target stage level for a sink cell. ..................................................................... 26 9 MODFLOW/SEAWAT 2000WMD Report Blank page 10