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Scientific Investigations Report 2013–5014


Evapotranspiration from Wetland and Open-Water Sites at Upper Klamath Lake, Oregon, 2008–2010


Table 1. Meteorological and energy-balance sensors, locations, and data acquisition characteristics at eddy‑covariance sites.


[Abbreviations: Bul, bulrush site; m, meters; Mix, mixed site; m 3 , cubic meters; m -3 , per cubic meter; mm, millimeters; m s -1 ; meters per second; W m -2 , watts per square meter; °, degrees; °C, degrees Celsius]


Variable
measured
and units
Sensor make 

and model
Sensor height

above land surface 

(m)
Scan

interval

(s)
Summary

statistic
(s)
Net radiation (Rn), W m-2Kipp and Zonen CNR1Bul: 3.05; Mix: 3.281Mean
Soil heat flux (G), W m-2Radiation and Energy
Balance Systems HFT3
Bul: -0.02; Mix: -0.021Mean
Wind speed (Ucup), m s-1RM Young 03011Bul: 3.81; Mix: 3.911Mean
Wind direction (WD), °RM Young 03011Bul: 3.81; Mix: 3.911Mean, standard deviation
Soil water content (θ), 

m3 water m-3 soil
Campbell Scientific CS616Bul: 0 to -0.3 integrated

Mix: 0 to -0.3 integrated
1,800Sample
Rainfall (R), (mm)Texas Electronics 525MMBul: 3.22; Mix: 3.561Total
Air temperature (Ta), °CVaisalla HMP45CBul: 3.73; Mix: 3.910.1Mean
Relative humidity (RH), percentVaisalla HMP45CBul: 3.73; Mix: 3.910.1Mean
Water temperature (Tw), °COnset Tidbit v2Bul: 0.01, 0.27, 0.52,
water surface

Mix: 0.01, 0.27, 
0.52,
water surface
4Mean

First posted March 4, 2013

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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