Field Notes

When: Date: 1-27-2005 , Day: 27, Watch Time: 1050 .
Where: Tonzi/Vaira Ranch
Who: DB, JC, JD
Weather: Partly cloudy, very wet, rain last night
Phenology: green grass, deciduous trees

Tasks

1. check Flux systems
2. swap Li-7500 from Tower site (remove: sn 0041; install: sn 0065)
3. Spectrum measurements (Mattias)
4. soil moisture
5. Install new soil moisture profile probes by the side of minirhizon transect

Tonzi_Tower Site

1. Fence and gate power: OK v.
2. Reading from Gillsonic screen before downloading data. (The value of H₂O and CO₂ should be in the range of 0 � 5 v.)

   Time
   Path/File name	D:/data/T05_027.flx
   	mean	std		mean	std
   w	0.15	0.182	Ts	15	0.12
   u	-0.82	0.9	H2O	3.1	0.018
   v	1.6	1	CO2	1.3	0.004

3. Light wind.

Tonzi_Floor Site

1. Fence and gate power: OK v.
2. Panel and Batteries: 12.3 v; 12.0 amps; 3.0 amps.
3. Reading from Gillsonic screen before downloading data. (The value of H₂O and CO₂ should be in the range of 0 � 5 v.)

   Time	11:45
   Path/File name	FL5_27.flx
   	mean	std		mean	std
   w	-0.2		Ts	15.8
   u	-0.98		H2O	2.96
   v	-0.59		CO2	1.87	0