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Field Notes

<--2015-02-05 15:15:00 | 2015-03-05 13:00:00-->
Other sites visited today: Sherman Island | Mayberry | Twitchell Rice | East End | West Pond

Twitchell Alfalfa: 2015-02-19 12:45:00 (DOY 50)
Author: Patty Oikawa
Others: Ana Mendez + Housen Chu

Summary: Clip plots, data collection and critter ridder applied around tower. Need more ant bait.

We arrived at 12:45. Things were still totally overcast and misty so no spectral measurements were taken. There were lots of geese in the neighboring alfalfa field. Ana took clip plots and veg height. Housen applied the critter ridder around the tower to try to deter rodents. He also cleaned sensors while I downloaded data and measured soil respiration (4-5umol m-2 s-1). There were lots of ants in the soil logger box—need better ant bait in there.

7500
CO2: 378.1 umol/mol
H2O: 444.6 mmol/m3
SS: 49.4%
Pressure: 101.97 kPa
Temperature: 12.55ËšC
SOS: 343.15 m s-1
Met: OK
Soil:OK
Rad: OK

Veg Height (cm): Tape measure from ground to top of plant
20, 21, 18, 15, 27, 13, 15, 30, 20, 10, 20, 16, 10, 4, 13, 30, 28, 27, 20, 15, avg = 18.6, stdev = 7.16

0 photos found

Graphs display:
7 sets found

Can't check TA_met
11 TA_met graphs found

Alfalfa Temperatures

Alfalfa Soil Heat Flux

Alfalfa Soil Moisture

Alfalfa Soil Temperatures Set A

Alfalfa Soil Temperatures Set B

Alfalfa Soil Temperatures Set C

NDVI Narrow Band Radiation

Soil CO2 Flux

Relative Humidity and BattV

SRS NDVI and PRI

PRI Narrow Band Channels

Can't check TA_rad
3 TA_rad graphs found

Alfalfa Radiation

Alfalfa LED NDVI Sensor

Alfalfa PAR

Can't check TA_flux
5 TA_flux graphs found

Alfalfa Sonic Wind

Alfalfa CO2 and H2O

Alfalfa Methane

Alfalfa Pressure

Alfalfa Flux Data Counts

Can't check TA_soilco2
7 TA_soilco2 graphs found

Set A Soil CO2

Set B Soil CO2

Soil CO2 Soil Moisture

Forced Diffusion CO2

Alfalfa Forerunner Soil CO2

Alfalfa Forerunner Temperatures

Alfalfa Forerunner Probe RH

No data found for TA_arable.
1 TA_cam graphs found

GCC

Can't check TATWBABCSB_cam

 
 

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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.