Data Series 340
U.S. GEOLOGICAL SURVEY
Data Series 340
Table 1. Estimated application rates for high-water-use crops by hydrographic area from the original database and revised application rates developed for the updated database, Death Valley regional ground-water flow system, Nevada and California.
[Application rate: Calculated using equation 2 in text. Most likely application rate determined using crop coefficient = 1.0 and irrigation efficiency = 0.75 (except HA 162 = 0.65). Original database: Potential ET estimated from Shevenell (1996). Updated database: Potential ET estimated from Flint and Flint (2007). Abbreviations: ET, evapotranspiration; ft/yr, foot per year]
| Hydrographic area | Original database(Moreo and others, 2003) | Updated database(This report) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ET (ft/yr) | Application rate (ft/yr) | ET (ft/yr) | Application rate (ft/yr) | ||||||||||
| Number | Name | Potential | Crop | Minimum | Likely | Maximum | Potential | Crop | Minimum | Likely | Maximum | ||
| 162 | Pahrump Valley | 6.4 | 5.9 | 5 | 9 | 14 | 5.0 | 5.0 | 5 | 7.5 | 10 | ||
| 170 | Penoyer Valley | 3.8 | 3.5 | 3 | 5 | 7 | 3.8 | 3.8 | 4 | 5 | 6 | ||
| 230 | Amargosa Desert | 6.4 | 5.9 | 5 | 8 | 12 | 5.1 | 5.1 | 5 | 7 | 9 | ||
U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/ds/340
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