Field Notes

Mayberry: 2019-04-18 15:20:00 (DOY 108)
Author: Daphne Szutu
Others: Alex, Jiangong

Summary: Regular data collection/cleaning, swapped 7500 for calibration, tall weeds on roads

2019-04-18
Mayberry

Alex, Jiangong, and I arrived at 15:20. It was warm and sunny with a mostly clear sky (some cirrus clouds) and a gentle breeze. The wetland is about 1/3 green. The weeds and grass on the levee and dirt roads were super tall. The water level was 53 cm. Alex trimmed the weeds around the solar panels.

The wash reservoir was Â½ full; we refilled it. Alex collected water samples for Isabel around 14:20 PST. Jiangong cleaned the flux and rad sensors. I collected met, cam, and USB data. We swapped the 7500 for calibration: sn 75H-2514 came down and sn 75H-2182 went up. After the swap, I uploaded a new configuration file, updated the pressure coefficients, and reset the 7550 box. We need a new thermocouple for the 7700.

LI-7500 readings (sn 75H-2514 --> sn 75H-2182):
CO2 421ppm --> 422
H2O 590ppm --> 530
T 26.2C --> 26.2
P 101.6kPa --> 101.6
SS 98--> 86

LI7700 readings:
CH4 0.0083 mmol/m3
RSSI 50 --> 85 after cleaning

We left at 15:45.

0 photos found

11 sets found

7 MB_flux graphs found