Field Notes

West Pond: 2018-01-16 11:50:00 (DOY 16)
Author: Daphne Szutu
Others: Dennis, Kyle, Sam

Summary: Regular data collection/cleaning, swapped LI-7500, downgraded embedded LI-7550 software from 8.7.5 to 8.5.0

2018-01-16
West Pond

We arrived at 11:50. It was cool, breezy, and overcast.

We refilled the wash box; it was 1/2 full. We cleaned the flux and rad sensors.

I downloaded met, camera, and USB GHG data. I checked the 7700 wash and clock settings, but they seem ok. The yellow triangle error icon indicating 7700 clock sync error flickers on and off every second.

We swapped the 7500: sn 75H-2150 came down, sn 75H-2180 went up. I updated the configuration file, then downgraded embedded LI-7550 software (sn AIU-0666) from version 8.7.5 to version 8.5.0. I updated the pressure coefficients.

LI-7500 readings:
(sn 75H-2150 --> sn 75H-2180 v8.7.5 --> sn 75H-2180 v8.5.0)
CO2 445 ppm --> 455 --> 445
H2O 596 mmol/m3 --> 560 --> 570
T 12.5 C --> 12.5 --> 12.6
P 102 kPa --> 102.1 --> 102.0
SS 97 --> 97 --> 97

LI7700 readings:
CH4 2.2 ppm --> 2.2 after cleaning
RSSI 46 --> 79 after cleaning

We left at 12:20. There were hunters in the fields on Twitchell Island by Jackson Slough Road, on the way towards Bouldin Island.

0 photos found

8 sets found

Can't check WP_DO
1 WP_DO graphs found