When: Date: 6/24/2010 , Day: 175 , Watch Time: 5:00 am .
Where: Tonzi/Vaira Ranch
Who: Siyan, Joe
Weather: not cold in the early morning, hot, nice breeze at noon
Phenology: yellow grass, green oak leaves

Tonzi
Vaira:

Summary

1. Pre-dawn leaf water potential: oak leaf= -6 bar; pin needle=-10 bar.
2. A-Ci curves for oak and gray pine
3. check and download data at Tower, Floor, and Vaira
4. calibrate Li-800 in the field because bump was dead.
5. collected samples of oak leaves and pin needles
6. dendrometers
7. soil moisture
8. groundwater well:

Date	DOY	Location	Depth from the black thing (feet)
6/24/2010	175	Floor	20.9
		Tower	25.12
		roadside	30.29

Vaira_Grass Site

1. Fence and gate power: 12 v.
2. Panel and Batteries: - v; - amps; - 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 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: - v; - amps; - 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 200 psig; flow 20 psi; 418.8 ppm.
N₂ 2000 psig; flow 20 psi.
Manually calibrate Li-800. Following Ted’s instruction: H:\IoneSavanna_2004\Tower_2004\CO2Profile\LI800_Calibration_Procedure_2Nov04.txt
Is the pump running‌ YES.


before zero


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: - v; - amps; - 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!

Check MD-9 system connections Joe checked.

1. Soil CO₂ profile:

Reading from panels of analyzers

depth	Open	order	depth	Tree	order
2cm (1%)	520	1	2cm (1%)	2820	1
4cm	680	2	4cm	4180	4
8cm	1090	3	8cm	3370	2
16cm	930	4	16cm	6850	3

1. Close gate and set up fence. YES!

tonzi	7931AFE	402165	574B4B	402FF3	574632	7A432E	7A3C6E	7A3B40	7A4AAA
6/24/2010	175
	sm
0-15	10.3	4.2	10.8	6.2	9.1	5.0	11.2	6.8	4.5
15-30	14.8	10.9	15.8	13.6	10.6	10.0	16.4	13.9	5.7
30-45	21.8	12.6	18.2	16.8	7.6	11.5	15.4	17.9	15.6
45-60	19.3	10.5	23.6	15.6	26.2	13.3	15.0	25.1	13.3
	A6D882B	A3D04E8	A6D72F5
0-15	8.6	3.0	4.5
15-30	14.8	2.6	18.5
30-45	21.8	16.2	15.9
45-60	19.1	22.2	41.4
vaira	57318a	7933dee
0-15	#DIV/0!	3.0
15-30	#DIV/0!	11.8
30-45	#DIV/0!	15.9
45-60	broken	25.6

Tonzi
Dendrometer
Date	Day	Tag #	Reading (mm)
6/24/2010	175	72	11.2
		79	16.1
		245	13
		250	22	(reset to 10.5 on May 7, 2009)
		1	21
		2	10.9
		3	18.2
		4	9.5
		5	13.3
		7	16.5
		8	16.8	11828
		102	X
		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