Earth Science Enterprise National Aeronautics and Space Administration CLPX Eddy Covariance Paul R. Houser, Page 0 28-Feb-16 CLPX Rabbit Ears Eddy Covariance.

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Earth Science Enterprise National Aeronautics and Space Administration CLPX Eddy Covariance Paul R. Houser, Page 0 28-Feb-16 CLPX Rabbit Ears Eddy Covariance Objective: Characterize the water and carbon fluxes from the snowpack Method: Eddy covariance at 3 elevations – Buffalo Pass, Spring Creek, and Potter Creek.

Earth Science Enterprise National Aeronautics and Space Administration CLPX Eddy Covariance Paul R. Houser, Page 1 28-Feb-16 Observations: 10 min averages of 20hz samples Spring Creek and Buffalo Pass: 3D Sonic Anemometer CO2, H2O IR Gas Analyzer 2 level Wind Speed/Direction 2 level humidity/temperature Buffalo Pass only K&Z 4-way net radiometer K&Z “nrlite” net radiation Q7 net radiation Geonor Precipitation 3 level leaf wetness soil heat flux surface skin temperature (Apogee) Snow depth (Campbell and Judd) 6 levels soil temperature, suction, moisture (to 1m) Figure : Tower based eddy covariance system consisting of a sonic anemometer, CO 2 /H 2 O gas analyzer, and 4-way net radiometer. For reference, the sonic anemometer path is 20cm.

Earth Science Enterprise National Aeronautics and Space Administration CLPX Eddy Covariance Paul R. Houser, Page 2 28-Feb-16

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