Field Notes

<--2015-02-19 11:06:00 | 2015-03-24 11:15:00-->
Other sites visited today: Sherman Island | Mayberry | East End | West Pond | Twitchell Alfalfa
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Twitchell Rice: 2015-03-05 11:00:00 (DOY 64)
Author: Cove Sturtevant
Others: Joe, Sara

Summary: Moved tower to berm. Data download. Pulled DO #8. Joe enamored with HMP45 fan.

Twitchell Rice
2015-03-05

We arrived around 11:00 PST. Sunny and warm, very light breeze. The field was pretty dry and Jim told Sara that he would plow in 1-2 weeks, so we pulled the tower back onto the berm, removing all ground sensors.

New tower height: 316 cm ground to sonic (~ 50 cm additional between berm height and field height)
Sonic N @ 332 N magnetic.

Pulled DO sn DO-8. Replaced HMP 45 fan. Joe likes the fan he installed – it was labeled NMB-MAT. He will order more.

Readings after cleaning
CO2 = 415 ppm
H2O = 500 mmol m-3
signal strength = 96.54%
p = 103.2 kPa
t = 19 C
sos: 343 m s-1
CH4 = 2.0 ppm
RSSI = 35% (64% after cleaning)
Topped off reservoir.

Cleaned Rad.
Met looked good.

0 photos found

Graphs display:
6 sets found

12 TW_met graphs found

Explore the graph:Soil Heat Flux in a new window

Explore the graph:Solar Radiation in a new window

Explore the graph:Air Temperature in a new window

Explore the graph:Soil Temperature Set 1 in a new window

Explore the graph:Soil Temperature Set 2 in a new window

Explore the graph:Soil Temperature Set 3 in a new window

Explore the graph:Water Temperature in a new window

Explore the graph:RH and Pressure in a new window

Explore the graph:Soil Moisture in a new window

Explore the graph:Rain and Water Level in a new window

Explore the graph:Disolved Oxygen in a new window

Explore the graph:LED NDVI Channels in a new window

5 TW_flux graphs found

Explore the graph:Sonic Anemometer Winds in a new window

Explore the graph:LI7700 CH4 and RSSI in a new window

Explore the graph:Twitchell CH4 in a new window

Explore the graph:LI7500 CO2 and H2O in a new window

Explore the graph:Twitchel Rice Flux Counts in a new window

Can't check TWSI_mixed
Can't check SIMBTWEE_met
1 TW_cam graphs found

Explore the graph:TW Rice Autocam in a new window

Can't check TATWBABCSB_cam