The site was established in summer 2014 and is part of a eddy covariance flux tower network funded by DOE and USDA. The Willamette Wheat site is also a part of the AmeriFlux network (US-Wwt). Turbulent exchange of water vapor, carbon dioxide and heat is measured at this tripod tower as well as meteorological variables. The structure is moved twice annually between two adjacent fields where winter wheat and spring wheat, respectively, is grown. The site is also part of the PhenoCam network operated by Harvard University.
Site removed: September 2016
Meteorological instrumentation: | ||
|---|---|---|
Sensor | Variables | Height [m a.g.l.] |
PT 100 probe | Air temperature | 2.0 |
DELTA-T BF5 | Incoming and diffuse PAR | 2.5 |
Kipp & Zonen CNR1 | SWin, SWout, LWin, LWout | 2.5 |
Campbell CSAT3 | 3D wind and sonic temperature | 2.5 |
LIcor LI 7500 | CO2, Water vapor | 2.5 |
Vaisala PTB101b | Ambient air pressure | ground level |
Servicing the flux equipment post-harvest
Spring wheat
Winter wheat