Computation of rate and volume of stream depletion by wells
Techniques of Water-Resources Investigations
04-D1
By: C.T. Jenkins
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Abstract
When field conditions approach certain assumed conditions, the depletion in flow of a nearby stream caused by pumping a well can be calculated readily by using dimensionless curves and tables. Computations can be made of (1) the rate of stream depletion at any time during the pumping period or the following nonpumping period, (2) the volume of water induced from the stream during any period, pumping or non-pumping, and (3) the effects, both in rate and volume of stream depletion, of any selected pattern of intermittent pumping. Sample computations illustrate the use of the curves and tables. An example shows that intermittent pumping may have a pattern of stream depletion not greatly different from a pattern for steady pumping of an equal volume.
The residual effects of pumping, that is, effects after pumping stops, on streamflow may often be greater than the effects during the pumping period. Adequate advance planning that includes consideration of residual effects thus is essential to effective management of a stream-aquifer system.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Computation of rate and volume of stream depletion by wells |
| Series title | Techniques of Water-Resources Investigations |
| Series number | 04-D1 |
| DOI | 10.3133/twri04D1 |
| Edition | - |
| Year Published | 1968 |
| Language | ENGLISH |
| Publisher | U.S. Dept. of the Interior, Geological Survey :For sale by the Supt. of Docs., U.S. G.P.O., |
| Description | v, 17 p. :ill. ;26 cm. Reprinted in 1977. |
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