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Field Notes

<--2014-09-08 13:30:00 | 2014-09-18 11:00:00-->
Other sites visited today: Twitchell Rice | West Pond | East End | Mayberry

Twitchell Alfalfa: 2014-09-10 11:00:00 (DOY 253)
Author: Joe Verfaillie
Others: Sara

Summary: Checked on soil co2 system and radiometers, did soil respiration.

Alfalfa
2014-09-10

I arrived about 11am with Sara. The field to the west was mowed a few days ago, but the field to the east is still mostly un-mowed. There was water in the ditch to the south of the field. It was clear and hot with little to no wind.

I didn’t see anything wrong with the soil CO2 system and it has recovered some since it dropped after mowing. I downloaded the data.

I downloaded the radiation data and thought the power problems had been fixed by cleaning the solar panel last time. However, looking at the data later in the lab, seems it’s still dropping out. I was going to power it from the soil CO2 system but didn’t want to poke that system again just yet. Next time.

Sara did the 6400 soil measurements.

1 photos found

Fieldwork
TA_autocam_20140910_1045.jpg ( 2014-09-10 10:45:02 ) Full size: 1920x1440
Fieldwork

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.