Field Notes

Sherman Wetland: 2017-10-26 13:00:00 (DOY 299)
Author: Daphne Szutu
Others: Joe, Sam

Summary: Regular data collection/cleaning, swapped LI-7700

2017-10-26
Sherman Wetland

We arrived at 13:00. There is more vegetation coming in at the wetland, although not next to the tower. It was sunny and clear. There was almost no wind, which was weird.

Sam cleaned EC and radiation sensors. There were a lot of spiderwebs. Joe refilled the wash reservoir and cleaned the precip bucket. I downloaded the met, camera, and USB GHG data.

We swapped the LI-7700: sn TG1-0224 came down, sn TG1-0421 went up. I reset the box and confirmed the LI-7700 was connected and that data was logging.

On LI-7700 sn TG1-0224, the temperature sensor was broken. The temperature was reading 99999 and CH4 was reading 74.6 ppm. However, once we changed units, CH4 was 0.094 mmol/m3, which seems reasonable.

LI-7500 readings:
CO2 414.9
H2O 593.4
T 27.4
P 101.3
SS 102 --> 107 after cleaning

LI7700 readings:
CH4 0.094 mmol/m3 --> 0.0908 mmol/m3 after cleaning --> 0.0938 mmol/m3 (2.3 ppm) after swap
RSSI 36 --> 71 after cleaning --> 76 after swap

We left at 13:15.

0 photos found

7 sets found

Can't check MBWPEESWGT_mixed
Can't check MBEEWPSWEPGT_cam
15 SW_met graphs found