Field Notes

<--2013-12-19 14:00:00 | 2014-01-23 14:00:00-->
Other sites visited today: Sherman Island | Mayberry | Twitchell Rice | West Pond | East End
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Twitchell Alfalfa: 2014-01-10 14:50:00 (DOY 10)
Author: Cove Sturtevant
Others: Joe, Dennis

Summary: Alfalfa not growing. Resealed 7700 reservoir filter with silicone tape. Still need to replace LED sensor.

Twitchell Alfalfa 2014-01-10 We arrived about 14:50 PST. It was sunny and warm with a mild breeze. The alfalfa is not growing. We downloaded data, cleaned the flux instruments, and resealed the 7700 reservoir filter with silicone tape. 7500 readings: CO2 = 400 ppm (384 after cleaning) H2O = 414 mmol m-3 (600 after cleaning) SS = 75.3% (76.9% after cleaning) T = 19.9 C p = 102.1 kPa sos = 344.5 m s-1 7700 readings: CH4: 2.6 ppm (2.0 ppm after cleaning) RSSI: 2% (84% after cleaning) Reservoir was empty - refilled. Cleaned radiation instruments. Rad measurements good except for LED sensor which we still need to replace. MET looked good. No water in the well.

0 photos found

Graphs display: days

7 sets found

Can't check TA_met
11 TA_met graphs found

Can't check TA_rad
3 TA_rad graphs found

Can't check TA_flux
5 TA_flux graphs found

Can't check TA_soilco2
7 TA_soilco2 graphs found

No data found for TA_arable.
1 TA_cam graphs found

Can't check TATWBABCSB_cam