Field Notes
<--2020-01-23 15:15:00 | 2020-02-04 10:45:00-->Other sites visited today: Mayberry | East Pond
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Sherman Wetland: 2020-01-30 13:00:00 (DOY 30)
Author: Daphne Szutu
Others: Dennis, Joe, Alex, Robert, Ariane
Summary: Setting up Sherman Wetland Temporary Tower, measured sensor locations and orientation, measured water level
| 2020-01-30 Sherman Wetland - Temporary Tower Dennis, Joe, Alex, Robert and I arrived around 13:00. It was mostly sunny and cool. We had dismantled the East Pond tower in the morning and brought the same scaffolding and sensors to set up for a temporary tower in Sherman Wetland. We drive along a low levee road to the site and need to back out because the road is not wide enough to turn around. I left around 15:00 to pick up Ari from MB where she was collecting water samples and came back around 16:00. This temporary tower is upwind of our permanent tower, and we tried to pick a location that had a higher veg-to-open-water ratio than at the permanent tower. The tower is set up on the west side of the levee road, with the solar panels about 10 m to the north. The wetland is all brown and most of the reeds have been blown down, except for some clumps of brown cattail. We restarted the picam and refilled the wash reservoir. There is no water under the tower right now. LI-7500 readings: CO2 416ppm H2O 491ppm T 18.1C P 102.6kPa SS 101 after cleaning LI7700 readings: CH4 2.21ppm RSSI 71 after cleaning Lat/Long: 38.035276, -121.768641 Veg height: It was an even distribution between knocked down veg (50 cm height), mid-height clumps (150 cm height), and tall clumps (~300 cm height). So, the average veg height is 150 cm, but it’s quite heterogenous. Some sensor location measurements: Tower height: 436 cm from middle of sonic to soil Sonic-7500 distance: 27.5 cm Sonic-7700 distance: 23 cm 7700 towards sonic orientation: 298 degrees 7500 towards sonic orientation: 274 degrees Sonic orientation: 29 deg true N (measured 2020-02-06 as average between the compass and Camilo's phone) Staff gauge water level: 0 cm (dry) Water sensor reading: 0.72 psi Top of well to water surface: 121 cm Top of well to water level sensor: 150 cm Equipment installed: WM 1590: sn 153803 LI-7700: sn TG1-0211 LI-7500A: sn 0041 LI-7550: sn AIU-0650 PTB110: sn H0160093 CR1000: sn 50889 AM16/32A: sn 1164 AM25T: sn 2856 HFP: sn 00245 HFP: sn 10809 SRS-Ni NDVI: sn 2046503368 SRS-Ni NDVI: sn 2046503402 CNR1: sn 990181 PAR-LITE: sn 050596 PAR-LITE: sn 050597 HMP60: sn G4540021 Water Level CS450: sn 20010770 PS-30M: sn 11400080 Battery Bank: sn BB-EP Solar Panel: sn 11ZV0M0829 Solar Panel: sn 11ZV0M0836 Solar Panel: sn 11ZV0M0855 Pi-cam: sn RPI0W-000 This site needs: -bolt for staff gauge brackets -nut for 4-way radiometer narrow u-bolt -turnbuckle + chain for fence post -measure sonic orientation -measure veg height We left around 17:15. |
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