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Online Guide to MODFLOW-NWT

Navigation: Observation Process

STOB - Stream Observation Package

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Abbreviation in Name file

STOB

Purpose

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

Documentation

str6.pdf

release.txt

OBS.pdf

Related Packages

Stream Package

Observation Process input files

Supported in

MODFLOW-2000

MODFLOW-2005

MODFLOW-LGR

MODFLOW-CFP

MODFLOW-NWT

Other Notes

The Stream (STR) package must be used in models in which the Stream Observation input file is used.

Input Instructions

Input for the Observation Process STR Package is read from a file that is specified with "STOB" as the file type listed in the name file. Free format is used throughout.

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

 


 


 

NQST NQCST NQTST IUSTOBSV (free format)

Data Set 2

 


 

TOMULTST (free format)

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

Data Set 3

NQOBST NQCLST (free format)

Data Set 4

 


 

OBSNAM IREFSP TOFFSET FLWOBS

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

Data Set 5

SEGMENT REACH FACTOR (free format)

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

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

Data Set 6


Data Set 7


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