Field Notes

Twitchell Rice: 2015-04-09 13:00:00 (DOY 99)
Author: Cove Sturtevant
Others: Sara

Summary: Field to be planted next week. Data download. Installed 2 new SHF plates.

Twitchell Rice
2015-04-09

We arrived around 13:00 PDT. It was sunny and warm. Mild breeze. The field has been rolled but not planted. Bryan reported it should be planted next week.

Downloaded data and cleaned sensors.

Connected new Hukseflux HFP-0115 heat flux plates in the datalogger, though the plates are hanging below the tower.
SHF # 1 (channel 16 in multiplexor): sn 10809, cal: 62.69
SHF # 2 (channel 17 in multiplexor): sn 10822, cal: 62.51

Readings:
CO2 = 393 ppm (401 after cleaning)
H2O = 450 mmol m-3 (410 after cleaning)
signal strength = 94.2% (96.9% after cleaning)
p = 102.1 kPa
t = 20.8 C
sos: 343 m s-1
CH4 = 1.93 ppm variable
RSSI = 41% (68% after cleaning)
Topped off reservoir.

Cleaned Rad.
Met looked good.

0 photos found

6 sets found

12 TW_met graphs found