Water Resources Applications Software
Summary of ZONEBDGT
NAME
zonebdgt - Program for computing subregional water budgets for
MODFLOW ground-water flow models
ABSTRACT
Zonebudget (ZONEBDGT) is a computer program that computes
subregional water budgets using results from the MODFLOW ground-
water flow model. The user designates the subregions by specifying
zone numbers. A separate budget is computed for each zone. The
budget for a zone includes a component of flow between each adjacent
zone.
METHOD
ZONEBDGT reads a file of budget data that MODFLOW can write. This
file must contain values for each flow component at every model
cell. ZONEBDGT then accumulates each flow component for all the
cells in each specified zone.
HISTORY
Version 1.0 1996/12/20 - version published in USGS OFR 90-392. Note
that this version will not work with cell-by-cell budget files
that are written using the optional compact format available in
MODFLOW-96. That is, to use ZONEBDGT version 1.0 with
MODFLOW-96, the compact cell-by-cell budget option must NOT be
used.
DATA REQUIREMENTS
In order to use ZONEBDGT, all cell-by-cell budget terms for a
MODFLOW simulation must be saved in a file when MODFLOW is executed.
The cell-by-cell budget file must be written in the format used by
MODFLOW-88 (as opposed to the COMPACT format, which is a new option
in MODFLOW-96). Depending on the specific zones that are desired, a
zone file must also be prepared.
OUTPUT OPTIONS
The output is a listing file that contains a flow budget for each
zone.
SYSTEM REQUIREMENTS
ZONEBDGT is written in Fortran 77. By default, the software is
dimensioned for use with models having up to 90,000 cells.
Generally, the program is easily installed on most computer systems.
The code has been used on UNIX-based computers and DOS-based 386 or
greater computers having a math coprocessor and 2 mb of memory.
DOCUMENTATION
Harbaugh, A.W., 1990, A computer program for calculating subregional
water budgets using results from the U.S. Geological Survey
modular three-dimensional ground-water flow model: U.S.
Geological Survey Open-File Report 90-392, 46 p.
RELATED DOCUMENTATION
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.
Harbaugh, A.W., 1990, A simple contouring program for gridded data:
U.S. Geological Survey Open-File Report 90-144, 37 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.
TRAINING
Modeling of Ground-Water Flow Using Finite-Difference Methods
(GW2096TC), offered annually at the USGS National Training Center,
makes use of ZONEBDGT.
CONTACTS
Operation:
U.S. Geological Survey
Office of Ground Water
Arlen Harbaugh
411 National Center
Reston, VA 20192
harbaugh@usgs.gov
Distribution:
U.S. Geological Survey
Hydrologic Analysis Software Support Program
437 National Center
Reston, VA 20192
h2osoft@usgs.gov
Official versions of U.S. Geological Survey water-resources analysis
software are available for electronic retrieval via the World Wide
Web (WWW) at:
http://water.usgs.gov/software/
and via anonymous File Transfer Protocol (FTP) from:
water.usgs.gov (path: /pub/software).
The WWW page and anonymous FTP directory from which the ZONEBDGT
software can be retrieved are, respectively:
http://water.usgs.gov/software/zonebdgt.html
--and--
/pub/software/ground_water/zonebdgt
If you would like to obtain the price of and (or) order paper copies
of USGS reports, contact the USGS Branch of Information Services at:
U.S. Geological Survey
Branch of Information Services
Denver Federal Center, Box 25286
Denver CO 80225-0286
To inquire about Open-File Reports or Water-Resources Investigations
Reports:
Tel: 303-202-4210; Fax 303-202-4695
To inquire about other USGS reports:
Tel: 303-202-4700; Fax 303-202-4693
SEE ALSO
contour(1) - A contouring program for gridded data
modflow(1) - Modular three-dimensional ground-water flow
model
Modflowp(1) - Parameter-estimation version of the modular model
The URL for this page is: http://water.usgs.gov/cgi-bin/man_wrdapp?zonebdgt
Send questions or comments to h2osoft@usgs.gov