NAFE monitoring stations O. Merlin, J. Walker, R. Panciera, R. Young and M. Rinaldi 3 rd NAFE...

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Requirements Distributed in space Include major land covers: dry land pasture, irrigated pasture, dry wheat, irrigated wheat, bare soil

Transcript of NAFE monitoring stations O. Merlin, J. Walker, R. Panciera, R. Young and M. Rinaldi 3 rd NAFE...

NAFE monitoring stations O. Merlin, J. Walker, R. Panciera, R. Young and M. Rinaldi 3 rd NAFE Workshop Sept. 2007 Objectives Provide 0-5cm soil temperature T eff Derive TIR-T eff relationships Estimate of vegetation wetness Presence of dew Requirements Distributed in space Include major land covers: dry land pasture, irrigated pasture, dry wheat, irrigated wheat, bare soil NAFE stations S1 S2 S3 S4 S5S6 NAFE station set up 1 Mikron FOV 6:1 1 Ahlborn FOV 4:1 2 Everest FOV 1:1 Campbell sensor 0/1 Unidata temp sensors North TIR calibration 1 before 1 after campaign Add hot water 60C in bucket And ice down to 10C Link black body temp to output I/V S1 S2 S3S4 S1 Dry wheat Breakdown of the TIR S2 Bare soil No veg wetness sensor S3 Irrigated wheat Battery S4 Irrigated pasture (alfalfa) Battery S5 Dry land pasture Logger No radiometer S6 Dry land pasture No logger No radiometer Conclusions Gaps in the data Combination of S1, S5, S6: continuous monitoring for dry land