Estimating Recharge Distribution by Incorporating Runoff from Mountainous Areas in an Alluvial Basin in the Great Basin Region of the Southwestern United States

A method is described to estimate the distribution of ground water recharge within hydrographic basins in the Great Basin region of the southwestern United States on the basis of estimated runoff from high mountainous areas and subsequent infiltration in alluvial fans surrounding the intermontane ba...

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Bibliographic Details
Published in:Ground water 2001-11, Vol.39 (6), p.807-818
Main Authors: Stone, Dan B., Moomaw, Cynthia L., Davis, Andy
Format: Article
Language:English
Subjects:
Environmental aspects
Environmental Monitoring
Environmental sciences
Geography
Groundwater
Hydrology
Methods
Models, Theoretical
Mountains
Runoff
Soil
Stormwater
Water Movements
Water Supply
Water, Underground
Watersheds
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Summary:A method is described to estimate the distribution of ground water recharge within hydrographic basins in the Great Basin region of the southwestern United States on the basis of estimated runoff from high mountainous areas and subsequent infiltration in alluvial fans surrounding the intermontane basins. The procedure involves a combination of Geographic Information System (GIS) analysis, empirical surface‐runoff modeling, and water‐balance calculations. The method addresses the need to develop and incorporate constraints on the distribution of recharge in regional‐scale ground water flow modeling of arid and semiarid environments. The conceptual approach and methodology were developed for Crescent Valley, Nevada. However, the concept and method are generally applicable to any region where excess precipitation in upland areas is conveyed to lower elevations before it infiltrates to recharge the ground water system. Application of the procedure to a ground water flow model of Crescent Valley appears both qualitatively and quantitatively to result in a more accurate representation of actual recharge conditions than might otherwise have been prescribed.
ISSN:0017-467X
1745-6584
DOI:10.1111/j.1745-6584.2001.tb02469.x