WRIR 99-4079: Estimates of Ground-Water Discharge as Determined from Measurements of Evapotranspiration, Ash Meadows Area, Nye County, Nevada |
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Table 1. Land covers represented by spectral clusters identified in June and September 1992 thematic mapper imagery of Ash Meadows area, Nevada
Cluster number1 |
Description of land cover |
---|---|
0 | Area of no substantial ground-water evapotranspiration (unclassified) |
1 | Area dominated by submerged aquatic vegetation and open-water marsh; water above land surface |
2 | Area dominated by dense vegetation; forest or grass/shrub meadows; water table below land surface; soils moist to dry |
3 | Area dominated by dense to moderately dense vegetation; mature grasslands, intermittently flooded; water table at or near land surface; soils wet to moist |
4 | Area dominated by sparse vegetation; open grass and shrub lands; water table below land surface; soils dry |
5 | Area dominated by moist bare soil; vegetation very sparse; water table at or near land surface; soils wet to moist |
6 | Previously farmed field; vegetation sparse; water table below land surface; soils dry |
7 | Area of open water; reservoir or large spring pool |
1 Spectral-response curves for clusters 1, 2, 3, 4, 5, and 6 shown in figure 7.