Field Notes

<--2014-09-18 13:00:00 | 2014-10-02 12:30:00-->
Other sites visited today: Sherman Island | Mayberry | Twitchell Rice | East End | Twitchell Alfalfa
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West Pond: 2014-09-25 13:20:00 (DOY 268)
Author: Cove Sturtevant
Others: Dennis, Sara

Summary: Installed DO profile. All good.

West Pond
2014-09-25

We arrived around 13:20 PDT. It was sunny and calm-ish. Site is still green. The water level was a bit high after the rains. Sara took water samples and then we installed the new optical dissolved oxygen sensors in a profile just above the soil surface. The probes hang from a chain attached to the NW corner of the scaffold. The bottom probe is 2 cm above the surface, the 2nd and 3rd probes are spaced above it at an interval of 5.5 cm each. We turned all the probes on at about 12:40 PST about 5 minutes before we put them in the water. We need to make sure we mark the cards and the probes next time so we don’t mix up the data.

Readings:
CO2 = 440 ppm (390 ppm after cleaning)
H2O = 540 mmol m-3 (720 after cleaning)
signal strength = 91.36% (94.85% after cleaning)
p = 101.2 kPa
t = 23.6 C
sos = 348.7 m s-1
CH4 = 1.95 ppm
RSSI = 69% (77% after cleaning)
Reservoir almost full.

Met looked good.

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.