When: Date: 11/5/2009 , Day: 309 , Watch Time: 10:00 .
Where: Tonzi/Vaira Ranch
Who: Siyan
Weather: dry, warm, partially cloudy, nice breeze
Phenology: grass looked similar to last visit; yellow grass litter still covers new grass; green oak leaves still on the top of canopy, ~10%. Mr. Tonzi’s pond was near empty.

Tonzi
Vaira:

Summary

1. Saw an error message on the PC screen at Vaira.
2. Tram system stopped working. I took it back to the lab.
3. Checked and download data at Tower, Floor, and Vaira
4. Swapped Li-7500s at Tower and Floor site.
5. Calibrated Li-800 in the field.
6. collected grass samples for LAI
7. dendrometers
8. soil moisture
9. groundwater well:

Date	DOY	Location	Depth (no the black thing) (feet)
11/5/2009	309	Floor	30.70
		Tower	35.35
		roadside	38.65

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.)

Saw this message on screen when I turned on the screen:

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. Put on the cover of 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. swap Li-7500: remove #976; install #418.

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

CO₂ 1200 psig; flow 20 psi; 418.8 ppm.
N₂ 1700 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: 13.9 v; 14.5 amps; 2.1 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. swap Li-7500: remove #65, install #73

1. Check MD-9 system connections YES!

CR23X3 – floor-Met


CR23X5 – soil CO₂ profile


CR23X6 – tower-Met

CR10X2 – floor-Met

1. Soil CO₂ profile: no power when I got there. I unplug and re-plug fuses, then the system back to work.

Reading from panels of analyzers

depth	Open	order	depth	Tree	order
2cm (1%)	750	1	2cm (1%)	1590	1
4cm	680	2	4cm	1600	4
8cm	1040	3	8cm	2590	2
16cm	880	4	16cm	5260	3

1. Close gate and set up fence. YES!

tonzi	7931AFE	402165	574B4B	402FF3	574632	7A432E	7A3C6E	7A3B40	7A4AAA
11/5/2009	309
	SM
0-15	7.1	5.6	22.0	5.6	10.3	4.2	14.1	9.7	8.8
15-30	12.7	11.8	14.5	10.0	11.8	6.6	11.1	179.0	13.8
30-45	17.3	10.6	9.2	11.7	2.3	9.0	16.2	19.0	14.5
45-60	12.8	5.6	13.0	14.5	16.8	10.5	9.3	14.8	11.1
	A6D882B	A3D04E8	A6D72F5
0-15	17.9	13.2	4.7
15-30	17.9	11.5	14.5
30-45	#DIV/0!	15.9	12.3
45-60	13.9	14.8	3.6
vaira	57318a	7933dee
0-15	2.1	7.4
15-30	7.2	13.6
30-45	6.7	11.5
45-60	16.8	18.5

Tonzi
Dendrometer
Date	Day	Tag #	Reading (mm)
11/5/2009	309	72	4.9
		79	8.4
		102	11.9
		245	13.3
		250	17.0	(reset to 10.5 on May 7, 2009)
		1	17.8
		2	8.0
		3	13.0
		4	4.4
		5	11.3
		7	13.9	133
		8	13.8	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