When: Date: 3/12/2009 , Day: 71 , Watch Time: 10:00am .
Where: Tonzi/Vaira Ranch
Who: Siyan, Joe, Gretchen
Weather: clear, nice breeze
Phenology: Vaira grass tilering (2-10), Tonzi grass still one stem. See two trees come out leaves: one near Mr. Tonzi’s house; the other one near the gate.
Summary

1. check and download data at Tower, Floor, and Vaira. Floor site missed some flux data because of lost COM3. Fixed by Joe.
2. grass sample for LAI and phenology in Tower and Vaira, oak branches for N
3. soil moisture
4. dendrometer
5. spectrometer

Vaira_Grass Site

1. Fence and gate power: 12 v.
2. Panel and Batteries: 13.9 v; 10.8 amps; 2.7 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
Path/File name	D:\Data\V09_ 71 .flx D:\Data\VR09 .raw
	mean	std		mean	std
w	-0.11	0.22	Ts	13.	1.32
u	0.67	0.37	H2O	2.2	0.19
v	0.81	0.3	CO2	1.83	0.21
			couple	1.83	spiky

1. downloading data YES!
2. check the fans of air temp. and relative humidity sensors at Vaira. YES!
3. Check MD-9 system connections YES!
4. Check CR23X with two multiplexers

Sys_vot = 14.2
PC_start =

1. Check levels of Radiation sensors, clear up surfaces. YES!

9. Closed gate and set up fence. YES!

Tonzi_Tower Site

1. Fence and gate power: 12 v.
2. Panel and Batteries: 13.1 v; 0.0 amps; 5.0 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
Path/File name	D:\Data\T09_ 71 .flx D:\Data\TW069 .raw
	mean	std		mean	std
w	-0.26	0.289	Ts	13.2	0.647
u	0.71	0.239	H2O	1.19	0.023
v	0.79	0.710	CO2	2.33	0.024

1. downloading data YES!
2. check the fans of air temp. and relative humidity sensors on the tower and the floor. YES!
3. Check calibration cylinders;

CO₂ 1800 psig; flow 20 psi.
N₂ 1250 psig; flow 20 psi.
Manually calibrate Li-800. Following Ted’s instruction: YES!
H:\IoneSavanna_2004\Tower_2004\CO2Profile\LI800_Calibration_Procedure_2Nov04.txt
Is the pump running‌ YES!

402	401	402	401	0.73	427
946	943	940	939	947	946
44	44	44.6	44	43	44
50.9	50.8	50.9	50	50	50

1. close gate and set up fence. YES!

Toniz_Floor Site

1. Fence and gate power: 12 v.
2. Panel and Batteries: 13.0 v; 15.2 amps; 1.9 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
Path/File name	D:\Data\F09_ .flx D:\Data\FL09 .raw
	mean	std		mean	std
w	-0.20	0.242	Ts	13.9	0.849
u	-0.03	0.512	H2O	2.3	0.198
v	1.51	1.173	CO2	1.94	0.148

1. downloading data YES!
2. Check MD-9 system connections

CR23X3 – floor-Met
CR23X5 – soil CO₂ profile YES!
CR23X6 – tower-Met
CR10X2 – floor-Met
CR10X4 – sap-flow
CR10X7 – CO₂ profile

1. Soil CO₂ profile

Reading from datalogger

Panel temp		17.9
Battery voltage		13.4
CO2E_1	921	TCE_1	13.5	CO2W_1	1890	TCW_1	15.7
CO2E_2	967	TCE_2	16.0	CO2W_2	2824	TCW_2	13.3
CO2E_3	2706	TCE_3	17.0	CO2W_3	3393	TCW_3	18.6
CO2E_4	2640	TCE_4	10.3	CO2W_4	3093	TCW_4	12.1

Reading from panels of analyzers

depth	Open	order	depth	Tree	order
2cm (1%)	1870	1	2cm (1%)	3730	1
4cm	1970	2	4cm	5260	4
8cm	5440	3	8cm	6898	2
16cm	1.06%	4	16cm	4.06%	3

1. Close gate and set up fence. YES!

Tonzi
Dendrometer
Date	Day	Tag #	Reading (cm)
3/21/2009	71	71	x
		72	13.0
		77	Broken
		78	Broken
		79	17.3
		245	6.0
		248	X
		250	14.6
		255	X
		‌252‌	missing
		102	8.2

Gretchen’s group dendrometers
My No.
1. 9.9
2. 11.7
3. 12.7
3.6
4. 12.7
5. 8.3
6. 10.3