Field Notes

East End: 2022-03-15 12:45:00 (DOY 74)
Author: Daphne Szutu
Others: Robert

Summary: Regular data collection/cleaning, rained last night

2022-03-15
East End

Robert and I arrived at 12:45 PDT. It was warm, breezy, and partly overcast. Robert noticed that the east side of the gravel road leading up to the tower has a lot more green tules than elsewhere. Almost no green plants on the west side of the road.

The water level has come down. I wrote down the staff gauge number but I can't read my own writing. I'll cross-reference it with the water level sensor data and update this field note if I can figure it out. (Note: I think the staff gauge was at 47cm.) There was some relatively large poop on the boardwalk that Robert cleaned off with a shovel. It had rained about <0.5cm last night and early this morning, and the 7500 SS was low here today because of leftover rain on its lower lens.

I downloaded met, camera, and USB GHG data. Robert cleaned flux and rad sensors. We left the black electrical tape wrapped around the case. The reservoir was only 60% full; Robert refilled it.

While we waited for the camera to download, we could hear seals, probably hanging out in the San Joaquin River.

This 7500 needs to be swapped next time so its signal strength can be reset from 110 back to 100.

LI-7500 readings:
CO2 900 ppm --> forgot to write after cleaning
H2O -78 ppm --> forgot to write after cleaning
T 21.2C
P 102.4kPa
SS 58 --> 110
LI7700 readings:
CH4 2.0
RSSI 65 --> 83 after cleaning

We left around 13:10 PDT. 0.5-1cm more rain is forecast for Saturday.

0 photos found

11 sets found

14 EE_met graphs found