When: Date: 5/7/2009 , Day: 127 , Watch Time: 5:00am .
Where: Tonzi/Vaira Ranch
Who: Siyan
Weather: cloudy, sprinkle in the early morning
Phenology:

• Tonzi: purple, big purple, yellow, white flowers, milking filling, lots of clover patches
• Vaira: patchy yellow flower, clover patches, under taller grasses

Tonzi
Vaira

(Notes: more photos will be copied to 8.32.27.89\Ione_Savanna\Field_Notes\Year2009\Field_Notes\Year2009\photo_07May2009)
Summary

1. Pre-dawn leaf water potential
2. A-Ci and A-PAR curves for oak and gray pine
3. swap Li-7500 at Vaira
4. check and download data at Tower, Floor, and Vaira
5. Calibrate Li-800 in the field (bring the copy of Ted’s instruction).
6. grass and oak leaf samples
7. dendrometer
8. soil moisture
9. spectrometer
10. groundwater well

Date	DOY	Location	Depth from the black thing (feet)
5/7/2009	127	Floor	26.93
		Tower	29.79
		roadside	34.68

Vaira_Grass Site

1. Fence and gate power: 12 v.
2. Panel and Batteries: 13.7 v; 14.1 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 YES!
2. swaping Li-7500 Analyzer. (Remove SN# 65 ; install SN# 418 )
3. Check the fans of air temp. and relative humidity sensors at Vaira. YES!
4. Check MD-9 system connections YES!

Sys_vot = 13.88

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: 12.4 v; 0.0 amps; 5.4 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 1500 psig; flow 20 psi. 431.25ppm
N₂ 1000 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!

Original:

Zero:
Span:

1. close gate and set up fence. YES!

Toniz_Floor Site

1. Fence and gate power: 12 v.
2. Panel and Batteries: 13.4 v; 6.8 amps; 2.1 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 MD-9 system connections

CR23X3 – floor-Met


CR23X5 – soil CO₂ profile


CR23X6 – tower-Met

CR10X2 – floor-Met

1. Close gate and set up fence. YES!

Tonzi
Dendrometer
Date	Day	Tag #	Reading (mm)
5/7/2009	127	71	X
		72	7.6
		77	X
		78	X
		79	21.5 reset to 10.5
		245	8.0
		248	X
		250	18.5
		255	X
		‌252‌	X
		102	11.9

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

Date	Day	Tag #	Reading (mm)	Original reading (mm)	Location
		1	13.5		133
		2	9.6		11828
		3	13.9		11829
		4	5.0		‌
		5	10.0		‌
		6	X		‌
		7	13.5		‌
		8	14.2		broken

tonzi	7931AFE	402165	574B4B	402FF3	574632	7A432E	7A3C6E	7A3B40	7A4AAA
5/7/2009	127
	SM
0-15	27.9	19.1	39.9	27.9	27.0	24.4	25.6	23.2	11.5
15-30	29.8	24.6	50.0	29.2	29.5	20.6	27.1	28.0	11.5
30-45	26.0	26.0	39.6	32.9	14.5	20.7	18.7	25.4	23.5
45-60	28.8	27.9	41.4	38.0	29.1	23.9	20.2	36.2	17.0
	A6D882B	A3D04E8	A6D72F5
0-15	29.7	23.2	14.1
15-30	21.3	23.4	24.6
30-45	27.6	26.8	20.4
45-60	29.7	27.9	30.8
vaira	57318a	7933dee
0-15	212.4	10.3
15-30	16.1	15.8
30-45	17.6	14.3
45-60	22.8	20.8