Micrometeorological and Soil Data for Calculating Evapotranspiration for Rainier Mesa, Nevada Test Site, Nevada, 2002

Open-File Report 2006-1312

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

Table 3. Calculated monthly evapotranspiration at the tree and brush sites, Rainier Mesa, Nevada Test Site, January 2002 – August 2005.

[Tree site/Brush site: Evapotranspiration rates only for January 1 – August 23, 2005. –, missing or bad data]

Month	Evapotranspiration, in millimeters
	2002		2003		2004		2005
	Bowen ratio	Eddy covariance	Bowen ratio	Eddy covariance	Bowen ratio	Eddy covariance	Bowen ratio	Eddy covariance
Tree site
January	18.3	15.5	3.3	3.6	23.1	16.1	0.1	5.9
February	24.0	19.9	–	–	0.9	17.9	–	7.7
March	32.1	27.0	–	–	13.4	41.1	–	27.2
April	36.8	30.1	–	–	–	46.0	–	54.9
May	40.2	32.3	23.4	27.7	16.5	47.4	49.6	59.2
June	16.3	23.3	27.6	27.7	36.9	42.2	45.9	57.5
July	–	25.0	11.3	37.5	41.9	40.6	42.3	47.5
August	35.5	16.8	–	36.9	10.8	44.2	47.3	38.6
September	24.2	24.5	5.5	39.6	8.7	17.1	–	–
October	20.4	9.4	17.8	16.7	–	18.4	–	–
November	16.9	7.8	27.6	19.7	–	23.3	–	–
December	17.4	18.2	17.2	13.5	–	10.9	–	–
Brush site
January	16.7	10.6	–	11.0	–	12.8	–	–
February	–	14.5	–	10.4	–	9.2	–	–
March	–	18.9	–	24.9	–	20.2	–	–
April	–	25.6	–	19.0	–	30.0	–	–
May	22.7	34.0	–	34.5	31.3	51.3	63.7	43.9
June	37.1	33.8	–	57.2	9.4	68.8	113.1	82.9
July	38.8	34.8	–	44.1	–	56.8	132.6	90.6
August	24.3	25.2	28.7	39.9	–	44.0	69.0	49.4
September	22.5	20.6	36.6	32.7	–	25.1	–	–
October	11.5	8.9	–	14.9	12.8	11.4	–	–
November	8.7	6.1	–	13.9	20.0	12.2	–	–
December	11.5	10.0	–	11.1	13.1	3.5	–	–