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Online Guide to MODFLOW-NWT

Navigation: Observation Process

RVOB - River Observation Package

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Abbreviation in Name file

RVOB

Purpose

The River Observation input file is used to specify observations of flow through River boundaries for use in the Observation process.

Documentation

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, 210 p.

release.txt

OBS.pdf

Related Packages

Observation Process input files

River package

Supported in

MODFLOW-2000

MODFLOW-2005

MODFLOW-LGR

MODFLOW-CFP

MODFLOW-NWT

MODFLOW-OWHM

Other Notes

The River package package must be used in models in which the River Observation input file is used.

Input Instructions

Input for the River Observation input file is read from a file that is specified with "RVOB" as the file type listed in the name file.

Data Set 0

[#Text]

Item 0 is optional and can include as many lines as desired. Each line needs to begin with the “#” character in the first column.

Data Set 1

 


 


 

NQRV NQCRV NQTRV IURVOBSV (free format)

Data Set 2

 


 

TOMULTRV (free format)

Read items 3, 4, and 5 for each of NQRV groups of cells for which river observations are to be specified.

Data Set 3

NQOBRV NQCLRV (free format)

Data Set 4

 


 

OBSNAM IREFSP TOFFSET FLWOBS (free format)

Read item 4 for each of NQOBRV observation times for this group of cells.

Data Set 5

LAYER ROW COLUMN FACTOR (free format)

Read item 5 for each cell in this group; the number of cells is equal to the absolute value of NQCLRV read in item 3.

Items 6 and 7 are only available in MODFLOW-2000.

Data Set 6


Data Set 7


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