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Online Guide to MODFLOW

Navigation: Groundwater Flow Process

PVAL - Parameter Value File

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Abbreviation in Name file

PVAL

Purpose

Parameter values in this file replace parameter values specified in the files where parameters are defined.

Documentation

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.

Hanson, R.T., Boyce, S.E., Schmid, Wolfgang, Hughes, J.D., Mehl, S.M., Leake, S.A., Maddock, Thomas, III, and Niswonger, R.G., 2014, One-Water Hydrologic Flow Model (MODFLOW-OWHM): U.S. Geological Survey Techniques and Methods 6–A51, 120 p., http://dx.doi.org/10.3133/tm6A51.

Related Packages

The Sensitivity (SEN ) process in MODFLOW-2000 provides the same functionality as the PVAL input file and more.

Supported in

MODFLOW-2005

MODFLOW-LGR

MODFLOW-CFP

MODFLOW-NWT

MODFLOW-OWHM

The Parameter Value File is the file that is specified with “PVAL” as the file type. Parameter values in this file replace parameter values specified in the files where parameters are defined.

FOR EACH SIMULATION

Data Set 0

[#Text]

Item 0 is optional—“#” must be in column 1. Item 0 can be repeated multiple times.

Data Set 1

NP {OPTIONS}

Data Set 2

PARNAM Parval

NP repetitions of Item 2 are read.

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