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Navigation: Online Guide to MODFLOW > SWR - Surface-Water Routing Process

SWR1 Time Series Utility Subroutine SSWR_RDTABDATA

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Purpose

Subroutine SSWR_RDTABDATA reads time series data from external ASCII (formatted) and binary (unformatted) files and can be used to define rainfall (RAIN), evaporation (EVAP), lateral flow (QLATFLOW), constant-stage reach stages (STAGE), structure data (STRCRIT or STRVAL) for operable surface water control structures, and SWR1 time-step lengths. The SWR1 input item that uses this subroutine is item 4d.

Documentation

Hughes, J.D., Langevin, C.D., Chartier, K.L., and White, J.T., 2012, Documentation of the Surface-Water Routing (SWR1) Process for modeling surface-water flow with the U.S. Geological Survey Modular Ground-Water Model (MODFLOW-2005): U.S. Geological Survey Techniques and Methods, book 6, chap. A40 (Version 1.0), 113 p. https://doi.org/10.3133/tm6A40

Related Packages

Surface-Water Routing (SWR) process

Supported in

MODFLOW-NWT

MODFLOW-OWHM

Other Notres

For binary (unformatted) external time series files, Items 0 and 1 must not be included and variables in Item 2 must be written as single precision variables.

Data Set 0

0. [#Text]

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

Item 1 is optional.

Data Set 1

TIMEOFFSET TIMEOFFSETVAL TIMESCALE TIMESCALEVAL OFFSET OFFSETVAL SCALE SCALEVAL

Data Set 2

SIMTIME(1) VALUE(1)

SIMTIME(2) VALUE(2)

. . .

SIMTIME(N) VALUE(N)