Scientific Investigations Report 2006–5145
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5145
Table 14. Estimated mean annual ground-water discharge by evapotranspiration from major spring-discharge areas along the eastern margin of Death Valley.
[ET, evapotranspiration; MDV, moderate-density vegetation; HDV, high-density vegetation. Discharge area locations shown in figures 8 and 9. ET-unit descriptions listed in table 3. Annual ground-water ET calculated as product of the unit’s acreage and ground-water ET rate. Mean annual ground-water discharge by ET calculated as the sum of annual ground-water ET volumes calculated for each ET unit]
| Spring- discharge area |
ET unit | Mean annual ground-water discharge by ET, in acre-feet |
|||
|---|---|---|---|---|---|
| Identifier | Acreage, in acres |
Ground-water ET rate, in feet per year |
Annual ground- water ET, in acre-feet |
||
| Grapevine Springs imagery | |||||
| Grapevine Springs | MDV | 79.4 | 2.0 | 158.8 | 405 |
| HDV | 111.9 | 2.2 | 246.2 | ||
| Surprise Springs | MDV | 4.1 | 2.0 | 4.8 | 9 |
| HDV | 2.2 | 2.2 | 4.4 | ||
| Staininger Spring | MDV | 20.9 | 2.0 | 49.3 | 49 |
| HDV | 22.4 | 2.2 | 0 | ||
| Furnace Creek imagery | |||||
| Nevares Springs | MDV | 13.6 | 2.0 | 27.2 | 61 |
| HDV | 15.4 | 2.2 | 33.9 | ||
| Cow Creek–Salt Springs | MDV | 5.0 | 2.0 | 10 | 21 |
| HDV | 5.1 | 2.2 | 11.2 | ||
| Texas Spring | MDV | 5.4 | 2.0 | 10.8 | 24 |
| HDV | 5.8 | 2.2 | 12.8 | ||
| Travertine Springs | MDV | 9.8 | 2.0 | 19.6 | 45 |
| HDV | 11.6 | 2.2 | 25.5 | ||
U.S.
Department of the Interior | U.S. Geological
Survey
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