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Water-Resources Investigations Report 01-4234

Estimates of Evapotranspiration from the Ruby Lake National Wildlife Refuge Area, Ruby Valley, Northeastern Nevada, May 1999-October 2000


Table 2. Average, maximum, minimum, and seasonal daily evapotranspiration rates, and seasonal and annual total evapotranspiration, computed using Bowen-ratio method, September 1999-October 2000, Ruby Lake National Wildlife Refuge, northeastern Nevada


Site name

Evapotranspiration (inches)


Average daily

Maximum daily

Minimum daily

Winter daily average
(Oct. 1999-
April 2000)

Summer daily average
(May 2000-
Sept. 2000)

Winter
total

Summer
total

Annual total1


Open water

0.174 0.464 0.001 0.112 0.260 23.85 39.99 63.64

Bulrush marsh

.137 .396 .008 .062 .242 13.18 37.06 50.24

Phreatophyte-1

.043 .146 .006 .028 .065 5.96 9.93 15.89

Desert-shrub upland

.033 .160 .003 .029 .035 6.17 5.78 11.96

1 Annual total based on 2000 water year (October 1999-September 2000).


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