Movement of moisture in the unsaturated zone in a loess-mantled area, southwestern Kansas
Professional Paper
1021
By: Robert C. Prill
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Abstract
A study of moisture movement associated with ponding near Garden City, Kansas, indicates that loess-manted areas have excellent potential for artificial recharge by water spreading. Infiltration stabilized at rates ranging from 0.7 to 2.2 feet (0.2 to 0.7 meter) per day reflecting changes in hydraulic conductivity of soil horizons. Results of the study indicate that the underlying loess has the capacity to temporarily store about 1 cubic foot (0.03 cubic meter) of water for each 6 cubic feet (0.17 cubic meter) of material. Owing to relatively high hydraulic conductivities of the loess and alluvium, however, moisture continues to move through the unsaturated zone. After application of 21 feet (6 meters) of water, mounding at the water table had a maximum thickness of 2 feet (0.6 meter) at the edge of the pond. Although the boundary of mounding spread rapidly, the applied water moved slowly by lateral displacement. (Woodard-USGS)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Movement of moisture in the unsaturated zone in a loess-mantled area, southwestern Kansas |
| Series title | Professional Paper |
| Series number | 1021 |
| DOI | 10.3133/pp1021 |
| Edition | - |
| Year Published | 1977 |
| Language | ENGLISH |
| Publisher | U.S. Govt. Print. Off., |
| Description | 21 p. |
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