Field Notes

When: June 7, 2004 (D159) arrived at 1000 PST
Where: Tonzi/Vaira Ranch
Who: Dennis Baldocchi, Siyan Ma, and Jessica
Weather: Mild day, Sunny, nice, cool breeze.
Phenology: yellow, mature grass

Summary
Overall EC systems were running great. Data were downloaded. Soil samples for calculating Bulk Density were collected by the side of TDR probes. Dennis fixed CO2 profile program with connection to MD-9.

!!! Whoever takes soil samples in EC system area, should be careful to underlying power and other wires under the ground. Select the spots away from those wires.

Vaira_Grass site

1. Fence Ok.
2. EC running well. PV reading 12.1, 2.9, 2.9..
3. Download data.

   	mean	std		mean	std
   w	0.75	0.398	Ts	26.2	1.019
   u	-0.5	1.457	q	2.107	0.029
   v	-0.02	0.913	CO2	1.685	0.041

4. Soil moisture readings
5. The Keypad for Vaira CR10X was missing. Need put one there.
6. Power line between solar panel and EC system was broken when soil sample was taken. The power line was fixed temporally.