USGS Ground-Water Software

MODFLOW-2005 Version 1.5.00

Three-dimensional finite-difference ground-water model--2005 version

Information

Summary of MODFLOW-2005

Software (Version 1.5.00, April 28, 2008)

A readme.txt file containing installation instructions is included with the Microsoft Windows software distribution file.

MODFLOW-2005 compiled for Microsoft Windows with source code for any computer and test problems. Users are encouraged to read the documents that are provided in the 'doc' directory of this software distribution, including the 'release.txt' file and the several text and PDF files associated with specific MODFLOW packages.

  mf2005v1_5.exe (3.2 Mb)

MODFLOW-2005 source code and sample sample problems converted to the Unix file structure. Users are encouraged to read the documents that are provided in the 'doc' directory of this software distribution, including the 'release.txt' file and the several text and PDF files associated with specific MODFLOW packages.

  mf2005v1_5.tar.Z (3.0 Mb)

Support

Support is provided for correcting bugs and clarification of how the code is intended to work. Only limited assistance can be provided for applying MODFLOW to specific problems. For support, contact:

• Paul Barlow,
• Arlen Harbaugh,
• Edward Banta, or
  
• Richard Winston.

Documentation

The following reports documenting MODFLOW are available on-line. Select the "Summary of MODFLOW-2005" link above to see a complete listing of USGS reports documenting the MODFLOW model. Due to the date of their publishing, many of the reports are not available in electronic form. In addition to the reports listed below and in the "Summary of MODFLOW-2005" file, users are encouraged to read the documents that are provided in the 'doc' directory of the MODFLOW-2005 software distributions (files mf2005v1_5.exe and mf2005v1_5.tar.Z), including the 'release.txt' file and the several text and PDF files associated with specific MODFLOW packages.

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.

• User's Documentation, Portable Document Format (PDF) (656K)

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.

• SWT Package Documentation, Portable Document Format (PDF) (1.79 Mb)

Wilson, J.D. and Naff, R.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.

• GMG Package Documentation, Portable Document Format (PDF) (4.09 Mb)

Höffmann, J., 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.

• SUB Package Documentation, Portable Document Format (PDF) (2.1 Mb)

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.

• MNW Package Documentation, Portable Document Format (PDF) (845K)

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. 

• HUF Package Documentation, Portable Document Format (PDF) (543K)

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.

• HUF Package: LVDA Capability Documentation, Portable Document Format (PDF) (940K)

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.

• HUF2 Package Documentation, Three Additions, Portable Document Format (PDF) (423K)

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.

• ETS1 and DRT1 Packages Documentation, Portable Document Format (PDF) (498K)

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.

• FHB1 Package Documentation, Portable Document Format (PDF) (343K)

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.

• RES1 Package Documentation, Portable Document Format (PDF) (104K)

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. (Note: the input instructions in this documentation are outdated. Use the input instructions in Harbaugh (2005) instead.)

• HFB Package Documentation, Portable Document Format (PDF) (2.1 Mb)

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.

• OBS Process Documentation, Portable Document Format (PDF) (578 K)

Prudic, D.E., Konikow, L.F., and Banta, E.R., 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.

• The SFR1 Package Documentation, Portable Document Format (PDF) (1.2 Mb)

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 Techniques and Methods Book 6, Chapter A13, 47 p.

• The SFR2 Package Documentation, Portable Document Format (PDF) (830 K)

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 Techniques and Methods Book 6, Chapter A19, 62 p.

• The UZF Package Documentation, Portable Document Format (PDF) (2.13 Mb)

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: Water-Resources Investigations Report 00-4167, 146 p.

• The LAK Package Documentation, Portable Document Format (PDF) (6.2 Mb)

Gage Package Documentation, (See documentation for SFR1, SFR2, and LAK.)

Leake, S.A., and Prudic, D.E., 1991, Documentation of a computer program to simulate aquifer-system compaction using the modular finite-difference ground-water flow model: U.S. Geological Survey Techniques of Water- Resources Investigations, book 6, chap. A2, 68 p. (IBS and CHD packages).

McDonald, M.G., and Harbaugh, A.W., 1988, A modular three- dimensional finite-difference ground-water flow model: U.S. Geological Survey Techniques of Water-Resources Investigations, book 6, chap. A1, 586 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.

• PCG2 Package Documentation (second printing), Portable Document Format (PDF) (578K)

Related Programs

• CFP
• GSFLOW
• MF2KtoMF05UC
• ZONEBUDGET
• MODPATH
• MODFLOW GUI
• MF2K-GWT
• GW_Chart
• Model Viewer
• MFI2K
• MODFLOW-GWM
• MOD-PREDICT
• MT3DMS (not a USGS program)

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