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<--2015-03-05 13:00:00 | -->

Twitchell Alfalfa: 2015-03-24 13:45:00
Author: Cove Sturtevant
Others: Dennis, Joe, Housen

Summary: Sheep grazed tower half of field, leaving ungrazed square. Ants in box - installed bait.

Twitchell Alfalfa
2015-03-24

We arrived at about 13:45 PDT. Warm and breezy. Sheep were clearly moved to the half of the field near the tower. There is a large square of ungrazed alfalfa where they fenced off the area between the tower and the rad boom. The soil respiration sensors and collars are in this area of ungrazed alfalfa.

Downloaded data. Dennis and Housen did soil respiration. Ants in the met box – installed bait.

7500 readings:
CO2 = 393 ppm (403 after cleaning)
H2O = 608 mmol m-3 (560 after cleaning)
signal strength = 87.2% (89.7% after cleaning)
p = 102.3 kPa
t = 21 C
sos = 346 m s-1

3 photos found


20150324TA_RadSoil.jpg ( 2015-03-24 14:17:20 ) Full size: 1024x768
Radiation and soil sensors, field mowed by sheep


20150324TA_CoveTower.jpg ( 2015-03-24 14:17:04 ) Full size: 1024x768
Cove at tower


TA_autocam_20150324_1245.jpg ( 2015-03-24 12:45:01 ) Full size: 1920x1440
Dennis, Housen and Cove

Graphs display: 7 days | 14 days | 28 days
6 graphs found

Can't check Delta
5 Delta graphs found

6 TA_met graphs found

3 TA_rad graphs found

5 TA_flux graphs found

7 TA_soilco2 graphs found

Can't check MBTAEEWPTW_cam
1 MBTAEEWPTW_cam graphs found

 
 

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This material is based upon work supported by the National Science Foundation and US Department of Energy. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the supporters.