Field Notes

When: Date:11/28/2004 , Day: 333 , Watch Time: 13:00 .
Where: Tonzi/Vaira Ranch
Who: Siyan
Weather: clear, very windy, and cold
Phenology: green up

Tasks

1. Check flux systems
2. Spectrum measurements
3. Measure soil moisture
4. Take grass samples

Tonzi_Tower Site

1. Fence and gate power: >12 v.
2. Panel and Batteries: 13.5 v; 0.0 amps; 3.8 amps.
3. I saw laptop on the tower site. The laptop was frozen at 6:13:17, D330. Reading from Gillsonic screen:

   Time	6:13:17
   Path/File name	TW_330.flx
   	mean	std		mean	std
   w	0.1	0.075	Ts	8.851	0.048
   u	0.53	0.246	H2O	-0.001	0.023
   v	0.79	0.25	CO2	2.596	0.04

4. Restart the laptop and Gillsonic program worked well when I left.
5. Check calibration cylinders;
   CO₂ 1700 psig; flow 1 bar.
   N₂ 580 psig; flow between 20-0 psi.
6. close gate and set up fence.

Toniz_Floor Site

1. Fence and gate power: >12 v.
2. Panel and Batteries: 12.8 v; 6.2 amps; 0.8 amps.
3. The Gillsonic program was working, but the clock was not correct. Readings were:

   Time	4:58:57 (laptop 2:09:30, my watch 2:07)
   Path/File name	Fl4_333.flx
   	mean	std		mean	std
   w	0.51	0.782	Ts	22.155	4.175
   u	1.63	1.777	H2O	1.057	0.204
   v	1.69	4.886	CO2	1.83	103.662

4. Restart the laptop. Readings were OK from Gillsonic screen:

   Time	14:16:34
   Path/File name	FL_333.flx
   	mean	std		mean	std
   w	1.25	0.65	Ts	22.069	0.184
   u	2.52	1.127	H2O	1.062	0.029
   v	4.05	1.272	CO2	1.823	0.326

5. Close gate and set up fence.