Field Notes

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Sherman Island: 2009-06-09 07:30:00 (DOY 160)
Author: Dennis Baldocchi
Others: Joe, Jaclyn, Ben

Summary: Pepperweed in full bloom, field is dry, standard fieldwork

Sherman Island - Methane Study
Date 6/09/2009 DOY
Standard Time in: 0730 Time out: 0900 pst
Who: Verfaillie, Hatala, runkle, baldocchi
Weather: cool, windy, partly cloudy, humid
Phenology: pepperweed in full bloom..The field was very dry and the ditches dry and water table very low
Check list
Gill sonics
U 2.5, V 6.2, W -0.230, Ts 18.1, CO2 1.4, H20 2.3, Dir Se, CH4 1831
Wind direction is off by about 90 degrees. The wind is coming from the southwest not south east
Methane Sensor (type Scroll Scroll esc)
Hi-flow ppm: 1831 pb
Cell Pressure ~ 159 Torr: 133
Mirror time > 12 ïsec: 16.6
Sample rate 10Hz: 10

Calibrated LGR
Before cal with stnd gas of 1976 ppb
1973 ppb
After cal
1975 ppb

Datalogger
Batt volt ~12V: 12.09
Radiometers were clean..
Additional Tasks
Water table depths (decimal feet from top of well casing)
Note: Outside wells require regular screwdriver to open cap
south 44.5 -19.5 25 in
North 43.25 -10 33.25
Vegetation height outside of enclosure â€“ 20 samples (inches)
17, 21, 17, 8, 17, 17, 24, 12, 22, 20, 14, 0, 5, 4, 0, 17, 0, 2
Average: 12.05 , std: 8.
Ditches were dry

0 photos found

7 sets found

No data found for SI_mp.
10 SI_met graphs found