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NAFE monitoring stations

NAFE monitoring stations. O. Merlin, J. Walker, R. Panciera, R. Young and M. Rinaldi. 3 rd NAFE Workshop 17-18 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

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NAFE monitoring stations

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  1. NAFE monitoring stations O. Merlin, J. Walker, R. Panciera, R. Young and M. Rinaldi 3rd NAFE Workshop 17-18 Sept. 2007

  2. Objectives • Provide 0-5cm soil temperature Teff • Derive TIR-Teff relationships • Estimate of vegetation wetness • Presence of dew

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

  4. NAFE stations S3 S2 S1 S5 S6 S4

  5. NAFE station set up North 1 Mikron FOV 6:1 1 Ahlborn FOV 4:1 2 Everest FOV 1:1 Campbell sensor 0/1 Unidata temp sensors

  6. TIR calibration • 1 before 1 after campaign • Add hot water 60ºC in bucket • And ice down to 10ºC • Link black body temp to output I/V

  7. S1 S2 S3 S4

  8. S1 Dry wheat Breakdown of the TIR

  9. S2 Bare soil No veg wetness sensor

  10. S3 Irrigated wheat Battery

  11. S4 Irrigated pasture (alfalfa) Battery

  12. S5 Dry land pasture Logger Logger No radiometer

  13. S6 Dry land pasture No logger No radiometer

  14. Conclusions • Gaps in the data • Combination of S1, S5, S6: continuous monitoring for dry land

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