Field Notes

<--2007-05-22 09:00:00 | 2007-06-01 14:55:00-->
Other sites visited today: Sherman Island
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Sherman Island: 2007-05-22 11:30:00 (DOY 142)
Author: Matteo Detto
Others: Ted Hehn

Summary: Checked fans, connections, and sensors; checked and downloaded data at Sherman Island; take TDR soil moisture readings; substituted IRGA; changed acquisition algorithm of PAR.

When: Date: 22 May 2007 Day: 142 Watch Time: 11:30
Where: Sherman Island - Methane Study
Who: Matteo & Ted
Weather: Clear Sky - windy
Phenology: weed in bloom, some begins to wilt
Tasks
1. check and download data at Sherman Island
2. Take TDR soil moisture readings
3. Substitute IRGA
4. Change acquisition algorithm of diffusive PAR
Sherman Island Pasture Site
1. Fence and gate power: OK
2. Datalogger Solar Panel and Batteries: OK
3. Reading from Gillsonic screen before downloading data. (The value of H2O and CO2 should be in the range of 0 â€“ 5 v.)
Time
Path/File name D:\Data\SI07_ .flx
D:\Data\SI07 .raw
mean std mean std
w Ts
u H2O
v CO2
CH4
4. Methane Sensor
a. Cell Pressure (near 159 Torr?): 137.7
b. Cell Temperature: 31.28
c. Double Check
i. Sample rate: 10Hz?:
ii. Methane ppm Hi flow:
iii. Methane ppm, low flow (remember to put back in high flow:
iv. Pump status??:____
v. Filter Status:______
vi. Check Water in tube:

5. downloading data
6. If Swapping Li-7500 Analyzer. (Remove SN# 0041; install SN# 0418 )
7. Check the fans of air temp. and relative humidity sensors OK
8. Check MD-9 system connections
9. Check CR23X with two multiplexers and sensor values
10. Check levels of Radiation sensors, clear up surfaces.
Closed gate and set up fence.

0 photos found

7 sets found

No data found for SI_mp.
10 SI_met graphs found