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MODFLOW-NWT groundwater flow model used to evaluate conditions in the Northern High Plains Aquifer in Colorado, Kansas, Nebraska, South Dakota, and Wyoming: U.S. Geological Survey data release


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Resource type: MODFLOW Model Instance Resource
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Created: Mar 30, 2018 at 7:25 p.m.
Last updated: Mar 30, 2018 at 7:27 p.m.
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Abstract

***USGS TEST ENTRY*** Contact Todd Koenig at tkoenig@usgs.gov for more information.
A three-dimensional groundwater flow model was developed to characterize groundwater resources and the interaction of groundwater with streams and other hydrologic features in the Northern High Plains aquifer. The Northern High Plains aquifer is generally unconfined; most of the water withdrawn from the aquifer is used for irrigation. A modified version of a previously published soil-water-balance (SWB) model estimates recharge using climatic, soils, land cover data, in addition to data for groundwater withdrawals for irrigation. The SWB output was adjusted in areas where surface water is used for irrigation. The groundwater flow model results were calibrated using parameter estimation to measured groundwater levels and estimated stream base flows. The model was designed as a tool for regional evaluations of groundwater resources and of groundwater interactions with streams and other hydrologic features resulting from current or forecasted conditions. This USGS data release contains all of the input and output files for the model described in the associated model documentation report (https://dx.doi.org/10.3133/sir20165153). This data release also includes (1) MODFLOW-NWT (version 1.0.9) source code, and (2) SWB source code in two formats.

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Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
43.6660°
East Longitude
-96.2526°
South Latitude
38.8353°
West Longitude
-105.3025°

Content

Resource Specific

Model Output
Includes output files? No

Executed By
Name Unspecified

How to Cite

Peterson, S. (2018). MODFLOW-NWT groundwater flow model used to evaluate conditions in the Northern High Plains Aquifer in Colorado, Kansas, Nebraska, South Dakota, and Wyoming: U.S. Geological Survey data release, HydroShare, http://www.hydroshare.org/resource/f5b900f4aa6f49d192cea9c72f7d9ac1

No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

 https://catalog.data.gov/dataset/modflow-nwt-groundwater-flow-model-used-to-evaluate-conditions-in-the-northern-high-plains-aqui

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