A new capture fraction method to map how pumpage affects surface water flow
Ground Water
By: S. A. Leake, H. W. Reeves, and J.E. Dickinson
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Abstract
All groundwater pumped is balanced by removal of water somewhere, initially from storage in the aquifer and later from capture in the form of increase in recharge and decrease in discharge. Capture that results in a loss of water in streams, rivers, and wetlands now is a concern in many parts of the United States. Hydrologists commonly use analytical and numerical approaches to study temporal variations in sources of water to wells for select points of interest. Much can be learned about coupled surface/groundwater systems, however, by looking at the spatial distribution of theoretical capture for select times of interest. Development of maps of capture requires (1) a reasonably well-constructed transient or steady state model of an aquifer with head-dependent flow boundaries representing surface water features or evapotranspiration and (2) an automated procedure to run the model repeatedly and extract results, each time with a well in a different location. This paper presents new methods for simulating and mapping capture using three-dimensional groundwater flow models and presents examples from Arizona, Oregon, and Michigan. Journal compilation ?? 2010 National Ground Water Association. No claim to original US government works.
Suggested Citation
Leake, S.A., Reeves, H.W., and Dickinson, J., 2010, A new capture fraction method to map how pumpage affects surface water flow: Ground Water, v. 48, no. 5, p. 690-700, https://doi.org/10.1111/j.1745-6584.2010.00701.x.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A new capture fraction method to map how pumpage affects surface water flow |
| Series title | Ground Water |
| DOI | 10.1111/j.1745-6584.2010.00701.x |
| Volume | 48 |
| Issue | 5 |
| Publication Date | August 19, 2010 |
| Year Published | 2010 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Ground Water |
| First page | 690 |
| Last page | 700 |