When: Date: 10/2/2009 , Day: 275 , Watch Time: 9:00 .
Where: Tonzi/Vaira Ranch
Who: Dennis, Joe, Siyan
Weather: hot, nice breeze
Phenology: tree litter fall 50%, yellow grass

Tonzi

Vaira

Summary

1. checked and downloaded data at Tower, Floor, and Vaira
2. calibrated Li-800 in the field because bump was dead.
3. Comparing all sensors under ambient [CO2] by Dennis
4. dendrometers
5. soil moisture
6. groundwater well:

Date	DOY	Location	Depth from the black thing (feet)
10/2/2009	275	Floor	29.87
		Tower	34.60
		roadside	38.01
			Notes: no black thing

Vaira_Grass Site

1. Fence and gate power: 12 v.
2. Panel and Batteries: 13.5 v; 10.1 amps; 2.5 amps.
3. Reading from Gillsonic screen before downloading data. (The value of H₂O and CO₂ should be in the range of 0 – 5 v.)

1. downloading data
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

1. Check levels of Radiation sensors, clear up surfaces.YES!
2. Check rain gage, make sure not clogged. YES!
3. Closed gate and set up fence. YES!

Tonzi_Tower Site

1. Fence and gate power: 12 v.
2. Panel and Batteries: 14.2 v; 0.0 amps; 4.9 amps.
3. Reading from Gillsonic screen before downloading data. (The value of H₂O and CO₂ should be in the range of 0 – 5 v.)

1. downloading data YES!
2. check the fans of air temp. and relative humidity sensors on the tower and the floor. YES!
3. Check rain gage, make sure not clogged. YES!
4. Check calibration cylinders;

CO₂ 2000 psig; flow 20 psi; 418.8 ppm.
N₂ 2000 psig; flow 16 psi.
Manually calibrate Li-800. Following Ted’s instruction: H:\IoneSavanna_2004\Tower_2004\CO2Profile\LI800_Calibration_Procedure_2Nov04.txt
Is the pump running‌
After zero

before span

after span

1. close gate and set up fence. YES!

Toniz_Floor Site

1. Fence and gate power: 12 v.
2. Panel and Batteries: 12.3 v; 1.5 amps; 1.9 amps. (about 7:00 am local time)
3. Reading from Gillsonic screen before downloading data. (The value of H₂O and CO₂ should be in the range of 0 – 5 v.)

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

CR23X3 – floor-Met


CR23X5 – soil CO₂ profile


CR23X6 – tower-Met

CR10X2 – floor-Met

Comparing all sensors under ambient [CO2] by Dennis

open
		ppm readings				mVolts
	2cm	380	350	340	340	186	177	175	170
	4cm	390	370	370	360	190	184	184	184
	8cm	520	480	480	470	258	256	247	239
	16cm	430	390	370	360	106	102	100	95
open
	redo after shaking sensor to clean air								average
	2cm	320	320			158	159	156	158
	4cm	400	410			205	201	198	201
	8cm	410	410			203	204	212	206
	16cm	310	310			77	76	76	76
under trees
	shaking sensor to clean air
	2cm	290	280			138	139	139	139
	4cm	360	360			177	177	177	177
	8cm	420	420			208	208	207	208
	16cm	440	460			108	110	113	110

1. Close gate and set up fence. YES!

tonzi	7931AFE	402165	574B4B	402FF3	574632	7A432E	7A3C6E	7A3B40	7A4AAA
10/2/2009	275
	SM
0-15	2.7	1.8	#DIV/0!	0.3	4.1	5.0	5.5	3.5	2.7
15-30	12.4	9.2	12.5	12.2	6.0	5.4	11.8	11.3	3.6
30-45	17.2	13.4	11.1	13.5	12.8	8.7	13.4	15.7	12.7
45-60	12.7	2.2	10.5	9.6	11.1	10.6	12.6	19.7	10.2
	A6D882B	A3D04E8	A6D72F5
0-15	6.4	4.9	1.7
15-30	6.6	6.2	11.5
30-45	16.5	15.5	12.5
45-60	15.8	16.8	3.4
vaira	57318a	7933dee
0-15	#DIV/0!	1.0
15-30	3.4	7.4
30-45	7.6	10.9
45-60	17.8	19.9

Tonzi
Dendrometer
Date	Day	Tag #	Reading (mm)
10/2/2009	275	72	3.4
		79	6.4
		102	9.5
		245	6.8
		250	14.5	(reset to 10.5 on May 7, 2009)
		1	17.8
		2	7.3
		3	11.8
		4	3.9
		5	10.9
		7	10.8	133
		8	13.5	11828
		71	X
		77	X	‌
		78	X	‌
		248	X	broken
		255	X	‌
		‌252‌	X	‌
		6	X

Notes: “X” means not working any more.
Dendrometers installed by Gretchen group