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List of USGS Reports Related to the Groundwater Flow Model MODFLOW

Updated March 12, 2010

Most reports and software are available online at http://water.usgs.gov/software/ground_water.html

Main MODFLOW Documentation

I. Flow Simulation

Harbaugh, A.W., 2005, MODFLOW-2005, The U.S. Geological Survey modular ground-water model -- the Ground-Water Flow Process: U.S. Geological Survey Techniques and Methods 6-A16, variously p.

Harbaugh, A.W., Banta, E.R., Hill, M.C., and McDonald, M.G., 2000, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model - User guide to modularization concepts and the ground-water flow process: U.S. Geological Survey Open-File Report 00-92, 121 p.

Harbaugh, A.W., and McDonald, M.G., 1996, User's documentation for MODFLOW-96 an update to the U.S. Geological Survey modular finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 96-485, 56 p.

Harbaugh, A.W., and McDonald, M.G., 1996, Programmer's documentation for MODFLOW-96, an update to the U.S. Geological Survey modular finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 96-486, 220 p.

Leake, S.A., and Claar, D.V., 1999, Procedures and computer programs for telescopic mesh refinement using MODFLOW: U.S. Geological Survey Open-File Report 99-238, 53 p.

McDonald, M.G., and Harbaugh, A.W., 1988, A modular three-dimensional finite-difference ground-water flow model: Techniques of Water-Resources Investigations of the United States Geological Survey, Book 6, Chapter A1, 586 p.

Mehl, S.W. and Hill, M.C., 2005, MODFLOW-2005, the U.S. Geological Survey modular ground-water model -- documentation of shared node local grid refinement (LGR) and the Boundary Flow and Head (BFH) Package: U.S. Geological Survey Techniques and Methods 6-A12, 68 p.

Mehl, S.W., and Hill, M.C., 2007, MODFLOW-2005, The U.S. Geological Survey modular ground-water model -- Documentation of the multiple-refined-areas capability of local grid refinement (LGR) and the boundary flow and head (BFH) package: U.S. Geological Survey Techniques and Methods 6-A21, 13 p.

Pollock, D.W., 1994, User's guide for MODPATH/MODPATH-PLOT, version 3: A particle tracking post processing package for MODFLOW, the U.S. Geological Survey finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 94-464, 249 p.

Reilly, T.E., and Harbaugh, A.W., 1993, Simulation of cylindrical flow to a well using the U.S. Geological Survey Modular Finite-Difference Ground-Water Flow Model: Ground Water, v. 31, no. 3, p. 489-494.

II. Parameter Estimation

Christensen, Steen, and Cooley, R.L., 2004, User Guide to the UNC Process and Three Utility Programs for Computation of Nonlinear Confidence and Prediction Intervals Using Modflow-2000: U.S. Geological Survey Techniques and Methods 6-A10, 186 p.

Hill, M.C., Banta, E.R., Harbaugh, A.W., and Anderman, E.R., 2000, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model - User guide to the observation, sensitivity, and parameter-estimation processes and three post-processing programs: U.S. Geological Survey Open-File Report 00-184, 209 p.

Hill, M.C., 1992, A computer program (MODFLOWP) for estimating parameters of a transient, three-dimensional, ground-water flow model using nonlinear regression: U.S. Geological Survey Open-File Report 91-484, 358 p.

Hill, M.C., 1998, Methods and guidelines for effective model calibration: U.S. Geological Survey Water-Resources Investigations Report 98-4005, 90 p.

Tonkin, M.J., Hill, M.C., and Doherty, J.E., 2003, Modflow-2000, The U.S. Geological Survey Modular Ground-Water Model - Documentation of MOD-PREDICT for Predictions, Prediction Sensitivity Analysis, and Enhanced Analysis of Model Fit: U.S. Geological Survey Open-File Report 03-385, 69 p.

III. Solute Transport

Guo, Weixing, and Langevin, C.D., 2002, User's guide to SEAWAT: A computer program for simulation of three-dimensional variable-density ground-water flow: Techniques of Water-Resources Investigations of the United States Geological Survey, Book 6, Chapter A7, 77 p.

Hornberger, G.Z., Konikow, L.F., and Harte, P.T., 2002, Simulating solute transport across horizontal-flow barriers using the MODFLOW Ground-Water Transport Process: U.S. Geological Survey Open-File Report 02-52, 28 p.

Konikow, L.F., Goode, D.J., and Hornberger, G.Z., 1996, A three-dimensional Method-of- Characteristics solute-transport model (MOC3D): U.S. Geological Survey Water-Resources Investigations Report 96-4267, 87 p.

Konikow, L.F., and Hornberger, G.Z., 2006, Use of Multi-Node Well (MNW) Package when simulating solute transport with the MODFLOW Ground-Water Transport Process: U.S. Geological Survey Techniques and Methods 6-A15, 34 p.

Langevin, C.D., Shoemaker, W.B., and Guo, Weixing, 2003, MODFLOW-2000, the U.S. Geological Survey Modular Ground-Water Model - Documentation of the SEAWAT-2000 Version with the Variable-Density Flow Process (VDF) and the Integrated MT3DMS Transport Process (IMT): U.S. Geological Survey Open-File Report 03-426, 43 p.

Langevin, C.D., Thorne, D.T., Jr., Dausman, A.M., Sukop, M.C., and Guo, Weixing, 2008, SEAWAT Version 4: A Computer Program for Simulation of Multi-Species Solute and Heat Transport: U.S. Geological Survey Techniques and Methods Book 6, Chapter A22, 39 p.

Zheng, Chunmiao, Hill, Mary C., and Hsieh, Paul A., 2001, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model - User guide to the LMT6 Package, The linkage with MT3DMS for multi-species mass transport modeling: U.S. Geological Survey Open-File Report 01-82, 43 p.

IV. Management

Ahlfeld, D.P., Baker, K.M., and Barlow, P.M., 2009, GWM-2005 — A groundwater-management process for MODFLOW-2005 with local grid refinement (LGR) capability: U.S. Geological Survey Techniques and Methods 6-A33, 65 p.

Ahlfeld, D.P., Barlow, P.M., and Mulligan, A.E., 2005, GWM-A ground-water management process for the U.S. Geological Survey modular ground-water model (MODFLOW-2000): U.S. Geological Survey Open-File Report 2005-1072, 124 p.

Halford, Keith J., 2006, MODOPTIM: A general optimization program for ground-water flow model calibration and ground-water management with MODFLOW: U.S. Geological Survey Scientific Investigations Report 2006-5009, 61 p.

V. Other Processes

Markstrom, S.L., Niswonger, R.G., Regan, R.S., Prudic, D.E., and Barlow, P.M., 2008, GSFLOW-Coupled Ground-water and Surface-water FLOW model based on the integration of the Precipitation-Runoff Modeling System (PRMS) and the Modular Ground-Water Flow Model (MODFLOW-2005): U.S. Geological Survey Techniques and Methods 6-D1, 240 p.

Schmid, Wolfgang, and Hanson R.T., 2009, The Farm Process Version 2 (FMP2) for MODFLOW-2005 - Modifications and Upgrades to FMP1: U.S. Geological Survey Techniques in Water Resources Investigations, Book 6, Chapter A32, 102p.

Schmid, Wolfgang, Hanson, R.T., Maddock, Thomas, III, Leake, S.A., 2006, User guide for the farm process (FMP1) for the U.S. Geological Survey's modular three-dimensional finite-difference ground-water flow model, MODFLOW-2000: U.S. Geological Survey Techniques and Methods 6-A17, 127 p.

Shoemaker, W.B., Kuniansky, E.L., Birk, Steffen, Bauer, Sebastian, and Swain, E.D., 2008, Documentation of a Conduit Flow Process (CFP) for MODFLOW-2005: U.S. Geological Survey Techniques and Methods 6-A24, 50 p.

Thoms, R.B., Johnson, R.L., and Healy, R.W., 2006, User's guide to the Variably Saturated Flow (VSF) Process for MOD­FLOW: U.S. Geological Survey Techniques and Methods 6-A18, 58 p.

Package Documentations

Anderman, E.R., and Hill, M.C., 2000, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model - Documentation of the Hydrogeologic-Unit Flow (HUF) Package: U.S. Geological Survey Open-File Report 00-342, 89 p.

Anderman, E.R., and Hill, M.C., 2001, MODFLOW-2000, The U.S. Geological Survey Modular Ground-Water Model - Documentation of the Advective-transport observation (ADV2) Package, Version 2: U.S. Geological Survey Open-File Report 01-54, 69 p.

Anderman, E.R., Kipp, K.L., Hill, M.C., Valstar, Johan, and Neupauer, R.M., 2002, MODFLOW-2000, the U.S. Geological Survey modular ground-water model -- Documentation of the Model-Layer Variable-Direction Horizontal Anisotropy (LVDA) capability of the Hydrogeologic-Unit Flow (HUF) Package: U.S. Geological Survey Open-File Report 02-409, 60 p.

Anderman, E.R., and Hill, M.C., 2003, MODFLOW-2000, the U.S. Geological Survey modular ground-water model -- Three additions to the Hydrogeologic-Unit Flow (HUF) Package: Alternative storage for the uppermost active cells, Flows in hydrogeologic units, and the Hydraulic-coductivity depth-dependence (KDEP) capability: U.S. Geological Survey Open-File Report 03-347, 36 p.

Banta, E.R., 2000, MODFLOW-2000, the U.S. Geological Survey modular ground-water model - Documentation of packages for simulating evapotranspiration with a segmented function (ETS1) and drains with return flow (DRT1): U.S. Geological Survey Open-File Report 00-466, 127 p.

Fenske, J.P., Leake, S.A., and Prudic, D.E., 1996, Documentation of a computer program (RES1) to simulate leakage from reservoirs using the modular finite-difference ground-water flow model (MODFLOW): U.S. Geological Survey Open-File Report 96-364, 51 p.

Goode, D.J., and Appel, C.A., 1992, Finite-difference interblock transmissivity for unconfined aquifers and for aquifers having smoothly varying transmissivity: U.S. Geological Survey Water-Resources Investigations Report 92-4124, 79 p.

Halford, K.J., and Hanson, R.T., 2002, User guide for the Drawdown-Limited, Multi-Node Well (MNW) Package for the U.S. Geological Survey's Modular Three-Dimensional Finite-Difference Ground-Water Flow Model, Versions MODFLOW-96 and MODFLOW-2000: U.S. Geological Survey Open-File Report 02-293, 33 p.

Hanson, R.T., and Leake, S.A, 1999, Documentation for HYDMOD, a program for extracting and processing time-seriesdata from the U.S. Geological Survey's modular three-dimensional finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 98-564, 57 p.

Harbaugh, A.W., 1992, A generalized finite-difference formulation for the U.S. Geological Survey modular three-dimensional finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 91-494, 60 p.

Harbaugh, A.W., 1995, Direct solution package based on alternating diagonal ordering for the U.S. Geological Survey modular finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 95-288, 46 p.

Hill, M.C., 1990, Preconditioned Conjugate-Gradient 2 (PCG2)-A computer program for solving ground-water flow equations: U.S. Geological Survey Water-Resources Investigations Report 90-4048, 43 p.

Hoffmann, Jörn, Leake, S.A., Galloway, D.L., and Wilson, A.M., 2003, MODFLOW-2000 Ground-Water Model - User guide to the subsidence and aquifer-system compaction (SUB) package: U.S. Geological Survey Open-File Report 03-233, 44 p.

Hsieh, P. A., and Freckleton, J. R., 1993, Documentation of a computer program to simulate horizontal-flow barriers using the U.S. Geological Survey modular three-dimensional finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 92-477, 32 p.

Jobson, H.E., and Harbaugh, A.W., 1999, Modifications to the diffusion analogy surface-water flow model (DAFLOW) for coupling to the modular finite-difference ground-water flow model (MODFLOW): U.S. Geological Survey Open-File Report 99-217, 107 p.

Konikow, L.F., Hornberger, G.Z., Halford, K.J., and Hanson, R.T., 2009, Revised multi-node well (MNW2) package for MODFLOW ground-water flow model: U.S. Geological Survey Techniques and Methods 6–A30, 67 p.

Kontis, Angelo L., 2001, Computer program for simulation of variable recharge with the U.S. Geological Survey Modular Finite-Difference Ground-Water Flow Model (MODFLOW): U.S. Geological Survey Open-File Report 00-173, 75 p.

Leake, S.A., Leahy, P., and Navoy, A.S., 1994, Documentation of a computer program to simulate transient leakage from confining units using the modular finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 94-59, 70 p.

Leake, S.A., and Galloway, D.L., 2007, MODFLOW ground-water model -- User guide to the Subsidence and Aquifer-System Compaction Package (SUB-WT) for Water-Table Aquifers: U.S. Geological Survey Techniques and Methods, Book 6, Chap. A23, 42 p.

Leake, S.A., and Lilly, M.R., 1997, Documentation of a computer program (FHB1) for assignment of transient specified-flow and specified-head boundaries in applications of the Modular Finite-Difference Ground-Water Flow Model (MODFLOW): U.S. Geological Survey Open-File Report 97-571, 50 p.

McDonald, M.G., Harbaugh, A.W., Orr, B.R., and Ackerman, D.J., 1992, A method of converting no-flow cells to variable-head cells for the U.S. Geological Survey modular finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 91-536, 99 p.

Mehl, Steffen W., and Hill, Mary C., 2001, MODFLOW-2000, The U.S. Geological Survey Ground-Water Model - User Guide to the Link-AMG (LMG) Package for solving matrix equations using an algebraic multigrid solver: U.S. Geological Survey Open-File Report 01-177, 33 p.

Merritt, M.L., and Konikow, L.F., 2000, Documentation of a computer program to simulate lake-aquifer interaction using the MODFLOW ground-water flow model and the MOC3D solute-transport model: U.S. Geological Survey Water-Resources Investigations Report 00-4167, 146 p.

Naff, R.L., and Banta, E.R., 2008, The U.S. Geological Survey modular ground-water model — PCGN: A preconditioned conjugate gradient solver with improved nonlinear control: U.S. Geological Survey Open-File Report 2008–1331, 35 p.

Niswonger, R.G. and Prudic, D.E., 2005, Documentation of the Streamflow-Routing (SFR2) Package to include unsaturated flow beneath streams--A modification to SFR1: U.S. Geological Survey Techniques and Methods, Book 6, Chap. A13, 47 p.

Niswonger, R.G., Prudic, D.E., and Regan, R.S., 2006, Documentation of the Unsaturated-Zone Flow (UZF1) Package for modeling unsaturated flow between the land surface and the water table with MODFLOW-2005: U.S. Geological Survey Techniques and Methods 6-A19, 62 p.

Prudic, D.E., 1989, Documentation of a computer program to simulate stream-aquifer relations using a modular, finite-difference, ground-water flow model: U.S. Geological Survey Open-File Report 88-729, 113 p.

Prudic, D.E., Konikow, L.F., Banta, E.R., 2004, A new streamflow-routing (SFR1) package to simulate stream-aquifer interaction with MODFLOW-2000: U.S. Geological Survey Open-File Report 2004-1042, 95 p.

Wilson, John D., and Naff, Richard L., 2004, The U.S. Geological Survey Modular Ground-Water Model - GMG linear equation solver package documentation: U.S. Geological Survey Open-File Report 2004-1261, 47 p.

Pre- and Post-Processor Documentations

Banta, E.R., Paschke, S.S., and Litke, D.W., 2008, User guide and documentation for five MODFLOW ground-water modeling utility programs: U.S. Geological Survey Techniques and Methods 6–A28, 24 p.

Banta, E.R., and Provost, A.M., 2008, User guide for HUFPrint, a tabulation and visualization utility for the Hydrogeologic-Unit Flow (HUF) Package of MODFLOW: U.S. Geological Survey Techniques and Methods 6-A27, 13 p.

Harbaugh, A.W., 1990, A computer program for calculating subregional water budgets using results from the U.S. Geological Survey modular three-dimensional finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 90-392, 46 p.

Harbaugh, A.W., 2002, A data-input program (MFI2K) for the U.S. Geological Survey Modular Ground-Water Model (MODFLOW-2000): U.S. Geological Survey Open-File Report 02- 41, 55 p.

Harbaugh, A.W., 2007, MF2KtoMF05UC, a program to convert MODFLOW-2000 files to MODFLOW-2005 and UCODE_2005 files: U.S. Geological Survey Open-File Report 2007-1204.

Harte, P.T., 2005, A Computer Program (ZONECONC) for Tabulating Concentration Statistics Using Results from the U.S. Geological Survey Modular Three-Dimensional Ground-Water Flow and Transport Model: U.S. Geological Survey Open-File report 2005-1422, 21 p.

Hornberger, G.Z., and Konikow, L.F., 1998, Addition of MOC3D solute-transport model capability to the U.S. Geological Survey MODFLOW-96 graphical-user interface using Argus Open Numerical Environments: U.S. Geological Survey Open-File Report 98-188, 30 p.

Hsieh, Paul A., and Winston, R.B., 2002, User's guide to model viewer, a program for three-dimensional visualization of ground-water model results: U.S. Geological Survey Open-File Report 02-106, 18 p.

Orzol, Leonard L., 1997, User's guide for MODTOOLS: Computer programs for translating data of MODFLOW and MODPATH into geographic information system files: U.S. Geological Survey Open-File Report 97-240, 86 p.

Orzol, L.L., and McGrath, T.S., 1992, Modifications of the U.S. Geological Survey modular, finite-difference, ground-water flow model to read and write geographical information system files: U.S. Geological Survey Open-File Report 92-50, 202 p.

Planert, Michael, 1997, Documentation of a computer program to estimate the head in a well of finite radius using the U.S. Geological Survey modular finite difference ground-water flow model: U.S. Geological Survey Open-File Report 96-651-A, 11 p.

Winston, Richard B., 2000, Graphical-User Interface for MODFLOW, Version 4: U.S. Geological Survey Open-File Report 00-315, 34 p.

Winston, R.B., 2009, ModelMuse - A graphical user interface for MODFLOW-2005 and PHAST: U.S. Geological Survey Techniques and Methods 6-A29, 52 p.

Zinn, B.A. and Konikow, L.F., 2005, MODFLOW Data Extractor Program: U.S. Geological Survey Open-File Report 2005-1143, 7 p.

Other

Joss, C.J., and Baehr, A.L., 1995, Documentation of AIR3D, an adaptation of the ground-water- flow code MODFLOW to simulate three-dimensional air flow in the unsaturated zone: U.S. Geological Survey Open-File Report 94-533, 154 p.

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