Open-File Report 2006-1312

U.S. GEOLOGICAL SURVEY
Open-File Report 2006-1312

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Table 2. Number of days per month that evapotranspiration rates are available during the collection period for the Bowen ratio and eddy covariance methods at the tree and brush sites, Rainier Mesa, Nevada Test Site, January 2002 – August 2005.

[Symbol: –, missing or bad data]

ET site Method Data-collection period
Year Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
Brush Bowen ratio 2002 27 – – – 17 30 31 31 30 31 30 31
Eddy covariance 31 28 31 30 31 30 31 31 30 31 30 29
Tree Bowen ratio 31 28 31 30 31 12 – 31 30 31 30 31
Eddy covariance 31 28 31 30 31 30 31 31 30 31 29 28
Brush Bowen ratio 2003 – – – – – – – 18 30 – – –
Eddy covariance 28 25 30 21 18 30 30 29 30 31 29 26
Tree Bowen ratio 5 – – – 17 30 18 – 7 31 30 24
Eddy covariance 5 – – – 17 30 31 31 30 31 30 24
Brush Bowen ratio 2004 – – – – 10 3 – - – 15 15 14
Eddy covariance 31 19 24 28 31 30 31 31 30 23 28 12
Tree Bowen ratio 28 1 8 – 13 30 31 11 9 – – –
Eddy covariance 29 27 31 30 31 30 31 31 19 28 28 27
Brush Bowen ratio 2005 – – – – 26 30 31 18 – – – –
Eddy covariance – – – – 25 30 31 24 – – – –
Tree Bowen ratio 4 – – – 28 30 31 24 – – – –
Eddy covariance 17 24 31 30 31 30 31 24 – – – –

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