Field Notes

<--2015-04-23 10:50:00 | 2015-05-21 12:15:00-->
Other sites visited today: Sherman Island | Mayberry | East End | West Pond | Twitchell Alfalfa
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Twitchell Rice: 2015-05-07 12:00:00 (DOY 127)
Author: Cove Sturtevant
Others: Sara

Summary: Field flooded. Reinstalled tower and ground sensors. Swapped IRGA. Need DO sensors and wasp spray.

Twitchell Rice
2015-05-07

We arrived around 12:00 PDT. Cool and overcast. Field is flooded. We reinstalled the tower, ground sensors back, and LAI transect into the field.

Tower height: 320 cm from ground to mid-sonic.
Sonic N pointed at 331 N magnetic.

Ground water well installed. Bottom of pressure sensor 110 cm below top of pipe. Top of pipe 65cm above ground. Water height was 10 cm above ground.

Need to install DO sensor. Also need more wipes for water sensors. Wasp nest in end of rad boom. Need wasp spray.

Downloaded data.
Swapped IRGA. Removed sn 75H-2150, installed sn 75H-2514.

Readings after swap:
CO2 = 400 ppm
H2O = 430 mmol m-3
signal strength = 100.48%
p = 101.1 kPa
t = 18 C
sos: 343.5 m s-1
CH4 = 1.9 ppm variable
RSSI = 61%
Topped off reservoir.

Cleaned Rad.
Met looked good, except soilT2_02 and WaterT_3 were –INF.

7 photos found

Eddy tower in the flooded rice field
20150507TW_Tower.jpg ( 2015-05-07 13:38:22 ) Full size: 810x1440
Eddy tower in the flooded rice field

Cove in front of an eddy covariance tower on a flooded field
20150507TW_Cove.jpg ( 2015-05-07 13:37:55 ) Full size: 1920x1080
Cove in front of an eddy covariance tower on a flooded field

Flash flood
TW_autocam_20150506_0945.jpg ( 2015-05-06 09:45:02 ) Full size: 1920x1440
Flash flood

Flash flood
TW_autocam_20150506_1015.jpg ( 2015-05-06 10:15:01 ) Full size: 1920x1440
Flash flood

Flash flood
TW_autocam_20150506_0845.jpg ( 2015-05-06 08:45:02 ) Full size: 1920x1440
Flash flood

Flash flood
TW_autocam_20150506_0915.jpg ( 2015-05-06 09:15:01 ) Full size: 1920x1440
Flash flood

Flooded
TW_autocam_20150506_1915.jpg ( 2015-05-06 19:15:02 ) Full size: 1920x1440
Flooded

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