Field Notes

When: Date: 12/26/2004 , Day: 361 , Watch Time: 11:40am .
Where: Tonzi/Vaira Ranch
Who: Siyan
Weather mild, partially cloudy
Phenology: green grass

Tasks

1. check Flux systems
2. Spectrum measurements
3. soil moisture
4. samples: Vaira grass

Vaira_Grass Site

1. Fence and gate power: >12.0 v.
2. Panel and Batteries: 13.7 v; 20.6 amps; 2.0 amps.
3. The laptop was off when I got there. I started the laptop.
4. Reading from Gillsonic screen before downloading data. (The value of H₂O and CO₂ should be in the range of 0 – 5 v.)

   Time	12:05:06
   Path/File name	VR4_361.flx
   	mean	std		mean	std
   w	-0.85	0.506	Ts	17.466	0.341
   u	1.14	0.879	H2O	1.759	0.061
   v	3.07	1.107	CO2	1.838	-0.033

5. Download data. (Alt_X to close Gillsonic.exe; close PC208W before copying.)
   Looks like the laptop died on D354.
6. Reading from Gillsonic screen after downloading data or swaping Li-7500 Analyzer.

   Time	12:05:06
   Path/File name	VR4_361.flx
   	mean	std		mean	std
   w	-0.85	0.506	Ts	17.466	0.341
   u	1.14	0.879	H2O	1.759	0.061
   v	3.07	1.107	CO2	1.838	-0.033

7. Check CR23X with two multiplexers
   Sys_vot = 2.3
   PC_start = 2.1
8. Check levels of Radiation sensors, clear up surfaces.
9. Closed gate and set up fence.