The PEST IWFM Utilities were contributed by SSP&A Inc and CH2M Hill Technical support is available from firstname.lastname@example.org
Under contract to the California Department of Water Resources (CA-DWR) five utility programs were developed to support the calibration of the integrated groundwater surface-water model version 2 (IGSM2) simulation code, now referred to as the integrated water flow model (IWFM). Four of these utilities were based upon existing PEST utilities, and a fifth program (REAL2IGSM) was developed specifically for the IGSM2/IWFM simulation programs. The documentation describes the program inputs required, their execution, and the outputs they produce. A flow chart illustrates the sequence of processes that must be completed when using the programs to parameterize and calibrate an IGSM2/IWFM model application. The utilities were developed to be general enough to be applicable to any application of the IGSM2/IWFM simulation program(s). The utilities are written in Fortran and make considerable use of Fortran-90 modules. The source code for each program is contained in a single file for portability, with the extension "F90". The distributed executables were compiled using the Lahey/Fujitsu Fortran 95 Compiler Release 5.50j.
The PEST IWFM utilities were developed to achieve the following objectives:
See this page for further details and downloads.
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