WRIR 01-4195:
Ground-Water Discharge Determined from Estimates of Evapotranspiration, Death Valley Regional Flow System, Nevada and
California
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Table 3. Location and general description of sites equipped with micrometeorological instruments and used to determine evapotranspiration (ET) in Ash Meadows and Oasis Valley, Nevada
[Geographic coordinates given in degrees, minutes, seconds and referenced to North American Datum of 1927. Sites in Ash Meadows are shown as ET sites in figure 7 and in Oasis Valley in figure 11. Abbreviations: L, lower; U, upper; M, middle]
|
Site name |
Latitude |
Longitude |
Altitude (feet above sea level) |
Period of data acquisition |
Description of dominant vegetation cover 1 and soil moisture conditions 2 |
ET-unit |
|---|---|---|---|---|---|---|
|
Ash Meadows |
||||||
|
Rogers Spring 1 |
36°28'53" |
116°20'05" |
2,256 |
Dec. 1993 - Jan. 1996 |
Sparse to moderate saltgrass; soil moist in winter; very dry in summer |
|
|
Rogers Spring 2 |
36°28'55" |
116°19'55" |
2,253 |
Dec. 1993 - Jan. 1996 |
Moderate wire and saltgrass; soil wet in winter; moist in summer |
|
|
Fairbanks Swamp |
36°29'01" |
116°20'22" |
2,248 |
Mar. 1995 - Sept. 1997 |
Dense cattails and reeds; surface flooded throughout year |
|
|
Carson Meadow |
36°25'17" |
116°20'23" |
2,171 |
Mar. 1995 - Mar. 1997 |
Dense mixed grasses, clover, and scattered shrubs; soil moist in winter, dry in summer |
|
|
Spring Meadow |
36°25'38" |
116°21'20" |
2,139 |
June 1995 - Sept. 1997 |
Sparse to very sparse saltgrass; soil dry in winter, very dry in summer |
|
|
Lower Crystal Flat |
36°24'22" |
116°20'06" |
2,148 |
Nov. 1995 - June 1997 |
Very sparse bunch grass; soil wet in winter, moist in summer |
|
|
Bole Spring North |
36°22'27" |
116°18'11" |
2,180 |
Jan. 1996 - Sept. 1997 |
Sparse to very sparse bunch grass; soil moist in winter, dry in summer |
|
|
Bole Spring South |
36°22'13" |
116°18'17" |
2,175 |
Jan. 1996 - Sept. 1997 |
Sparse saltgrass; surface periodically floods during late winter and early spring, otherwise soil moist in winter, very dry in summer |
|
|
Peterson Reservoir |
36°26'44" |
116°21'05" |
2,169 |
March 1996 - Sept. 1997 |
Open-water body |
|
|
Fairbanks Meadow 4 |
36°28'59" |
116°20'18" |
2,249 |
March 1997 - June 1999 |
Dense saltgrass; surface periodically floods during late winter, otherwise soil wet in winter, dry in summer |
|
|
Oasis Valley |
||||||
|
Middle Oasis Valley 4 |
37°00'39" |
116°43'24" |
3,691 |
April 1997 - June 1999 |
Moderate saltgrass, periodically flooded in early spring; soil wet in winter, dry in summer |
|
|
Springdale 4 |
37°01'13" |
116°43'49" |
3,714 |
July 1996 - Dec. 1998 |
Dense marsh grass, soil moist year-round |
|
|
Upper Oasis Valley L 4 |
37°02'42" |
116°42'29" |
3,861 |
July 1998 - June 1999 |
Moderate shrubs, primarily greasewood, soil dry year round |
|
|
Upper Oasis Valley U 4 |
37°03'49" |
116°41'39" |
3,930 |
Jan. 1998 - June 1999 |
Sparse shrubs, primarily rabbit brush and wolfberry; soil moist in winter, dry in summer |
|
|
Upper Oasis Valley M 4 |
37°02'49" |
116°42'41" |
3,856 |
Dec. 1998 - June 1999 |
Sparse saltgrass; soil moist in winter, dry in summer |
|
1Vegetation cover descriptors: very sparse, less than 5 percent; sparse,
5 to 20 percent; moderate, 20 to 75 percent; and dense, greater than 75 percent.
2Soil moisture descriptors are presented as relative terms.
3ET unit identified and described in table 1. Numbers are color
coded to match ET units as mapped in figures 7, 8,
9, 10, 11,
12, 13, 14,
and 15.
4Operation of site continued beyond end date specified by period of record (Reiner and
others, 2002).
