Field Notes

<--2017-03-29 12:50:00 | 2017-04-27 11:45:00-->
Other sites visited today: Mayberry | Twitchell Alfalfa | East End | Sherman Wetland | Bouldin Alfalfa
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West Pond: 2017-04-11 12:25:00 (DOY 101)
Author: Daphne Szutu
Others: Elke Eichelmann, Isabel Reche

Summary: Regular data collection/cleaning, tower is tilted, not sure if HMP fan is working

2017-04-11
West Pond

We arrived at 12:25. It was cool, overcast, and windy. The wetland is still brown but some green pockets of tule visible. The tower is visibly tilted now and we should probably straighten it.

We're not sure if the HMP fan is working. Next time we should check the voltage of the fan (12V or 24V?) and make sure it's connected to a compatible power source.

We refilled the wash reservoir; it was 4/5 full. Elke cleaned the EC and radiation sensors. I downloaded the met, camera, and USB GHG data.

We reset the 7550 box.

The camera wasn't turning on initially and showed a "Charge the batteries." message, but it turned on after opening and closing the card/battery door again.

LI7500 readings:
CO2 404.7 umol/mol
H2O 510.3 mmol/m3
T 18.5 Celsius
P 101.1 kPa
SS 99.5 -> 100.0 after cleaning

LI7700 readings:
CH4: 2.05
RSSI: 33.6 -> 75.0 after cleaning

We left at 12:45.

0 photos found

Graphs display:
8 sets found

Can't check WP_DO
1 WP_DO graphs found

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14 WP_met graphs found

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5 WP_flux graphs found

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Can't check MBWPEESWGT_mixed
Can't check MBEEWPSWEPGT_cam
Can't check MBSWEEWPBCBA
1 WP_processed graphs found

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No data found for WP_arable.