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Field Notes

<--2016-07-15 12:30:00 | 2016-08-01 11:20:00-->
Other sites visited today: Sherman Wetland | Twitchell Rice | Mayberry | East End | West Pond

Twitchell Alfalfa: 2016-07-20 11:05:00 (DOY 202)
Author: Alison Haddad
Others: Elke Eichelmann, Kyle Hemes

Summary: Normal data collection, not many camera pictures, ground squirrel hole next to soil sensors.

Arrived 11:05. Warm, breezy, sunny, clear sky. Alfalfa is growing but not yet flowering.


Collected USB GHG data; collected met data; collected rad data from CR10X; collected camera card: swapped CF card “SI” in and “TA” out; collected soil CO2: two TCs not working, STC12 and STC14=NAN; collected canon camera data: not many camera pictures from SD card, stopped on July 8 at 14:45 but camera was running.

Did soil respiration measurements, clip plots, and veg height.
Veg height: 20, 23, 24, 22, 17, 20, 22, 14, 30, 20, 17, 22, 19, 19, 20, 14, 22, 24, 22, 24.
Did not do spectral, spectrometer is waiting on a replacement SMA connecter.
There was a large squirrel hole next to soil sensors; filled it in but will only slow them down temporarily.
Cleaned solar panels.

LI7500 readings
CO2 382.8
H2O 698.3
T 25.22
P101.50
ss 98.2 -> 102.7 after cleaning

left: 11:35.

Veg Height (cm): Tape measure from ground to top of plant
17, 20, 22, 14, 30, 20, 17, 22, 19, 19, 20, 14, 22, 24, 22, 24, avg = 20.4, stdev = 3.98

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.