Field Notes

<--2014-09-11 09:20:00 | 2014-09-30 09:30:00-->
Other sites visited today: Vaira | Tonzi

Tonzi: 2014-09-11 11:00:00 (DOY 254)
Author: Joe Verfaillie
Others: Siyan

Summary: PRI sensors operational, reinstalled LI-820 but still some plumbing problem, Tower fence down - repaired, missing Tram data, swapped tower 7500.

Tonzi
2014-09-11

I arrived about 11am with Siyan. It was clear and hot with a little breeze from the west. Most of the trees here have brown leaves. Tonziâ€™s pond still has water. Last year the pond was almost dry in early November. There were a bunch of cows standing around the watering station.

I finished installing the Decagon PRI sensors. They ship with a default SDI address of zero, but the 23x cannot talk to a sensor with a zero address (apparently). I set the incoming sensor sn 759503109 SDI address to 1 in the lab and the reflected one sn 816903083 to SDI address 2. Both seemed to be working, but the PRI calculated with the initial readings was negative. Maybe that will change, or maybe the PRI of area of view is just zero right now.

I reinstalled the LI-820 sn CGA-556 in the co2 profile system. The 820 seemed to be okay, but the plumbing seemed to be having problems. The cal gasses dumped into the lowest inlet did not seem to be reaching the analyzer. It seemed like the solenoids were stuck open. I reloaded the 10x program and it looked like it was cycling the ports properly. I let it run and will try to troubleshoot it more next time.

Just before leaving I noticed the fence around the tower was down. A big section in the south east corner had been pulled free by cows and there was evidence of cow inside of the fence. I patched it as best I could, but it could use some more work and maybe we could put some flagging on it to make it more visible.

Looking at the data, the tram data was largely missing. Maybe the rename program is not working correctly.

We swapped the 7500 on the Tower - sn 0418 came off and sn 0976 went on.

I serviced the zcams. Cam 1 did not boot properly on the card at first. I ejected the card, unlocked it and relocked it. Then it worked.

Siyan did the standard fieldwork plus midday water potential.

Field Data

No tank data

Well Depth

Date	Location	Depth (feet)
2014-09-11	TZ_floor	32.3
2014-09-11	TZ_road	39.3
2014-09-11	TZ_tower	36.3

mode = both
Moisture Point Probes TZ
Array ( [0] => Tower [1] => Floor_South [2] => Floor_West [3] => SoilCO2 [4] => Soil_Transect_4 [5] => Soil_Transect_3 [6] => Soil_Transect_2 [7] => Soil_Transect_1 [8] => SoilCO2_West_A [9] => SoilCO2_West_B [10] => SoilCO2_West_C [11] => Floor_East )

Date	DOY	Rep	Depth	Tower	Floor_South	Floor_West	SoilCO2	Soil_Transect_4	Soil_Transect_3	Soil_Transect_2	Soil_Transect_1	SoilCO2_West_A	SoilCO2_West_B	SoilCO2_West_C	Floor_East	Avg	Spacial Count	Measurement Count
2014-09-11	254	0	0-15cm	7.7	7.8	11.1	1.1	1.3	6.2	1.8	0.9	5	4.7	0.1
2014-09-11	254	0	15-30cm	10.3	11.5	8.7	5.4	8.1	13.3	11.2	2.6	6	0.3	8.2	8.1
2014-09-11	254	0	30-45cm	17.3	10.6	12.3	3.4	9.8	14.5	15.9	12.6	14.6	14.8	20.6	11.1
2014-09-11	254	0	45-60cm		4.7	11.3		10.5	14.5	18.3	10.7	15.9	10.7	11	18.5
2014-09-11	254	1	0-15cm	6.5	1	11.1		1.3	7.1			5.3
2014-09-11	254	1	15-30cm	10.3	11.5	7.8		8.7	12.7			6.9			7.5
2014-09-11	254	1	30-45cm	17.9	11.2	12.6		8.4	14.5			14			11.1
2014-09-11	254	1	45-60cm		5.6	11.1		10.5	14.5			16.5
2014-09-11	254	2	0-15cm	8.3
2014-09-11	254	2	15-30cm	9.7
2014-09-11	254	2	30-45cm	17
2014-09-11	254	Avg	0-15cm	7.5	4.4	11.1	1.1	1.3	6.65	1.8	0.9	5.15	4.7	0.1		4.06	11	18
2014-09-11	254	Avg	15-30cm	10.1	11.5	8.25	5.4	8.4	13	11.2	2.6	6.45	0.3	8.2	7.8	7.77	12	20
2014-09-11	254	Avg	30-45cm	17.4	10.9	12.45	3.4	9.1	14.5	15.9	12.6	14.3	14.8	20.6	11.1	13.09	12	20
2014-09-11	254	Avg	45-60cm		5.15	11.2		10.5	14.5	18.3	10.7	16.2	10.7	11	18.5	12.68	10	15

mode = both
Moisture Point Probes VR
Array ( [0] => Solar_Panels [1] => Flux_Tower [2] => Gate [3] => Biomass_Cage )

Date	DOY	Rep	Depth	Solar_Panels	Flux_Tower	Gate	Biomass_Cage	Avg	Spacial Count	Measurement Count
2014-09-11	254	0	0-15cm	2.5	1.5	2.1	0.1
2014-09-11	254	0	15-30cm	7.5	3.9	3.2	2
2014-09-11	254	0	30-45cm	13.4	3.4	8.1	18.7
2014-09-11	254	0	45-60cm	27.9	11.3	8.7	13.9
2014-09-11	254	1	0-15cm	1.6	1.8	1.2	0.7
2014-09-11	254	1	15-30cm	7.5	4.2	3.9	2.6
2014-09-11	254	1	30-45cm	13.4	2.8	9	11.5
2014-09-11	254	1	45-60cm	27.4	11.9	7.9	15.3
2014-09-11	254	Avg	0-15cm	2.05	1.65	1.65	0.4	1.44	4	8
2014-09-11	254	Avg	15-30cm	7.5	4.05	3.55	2.3	4.35	4	8
2014-09-11	254	Avg	30-45cm	13.4	3.1	8.55	15.1	10.04	4	8
2014-09-11	254	Avg	45-60cm	27.65	11.6	8.3	14.6	15.54	4	8

No TZ grass heigth found

No VR grass heigth found

Tree DBH

Date	Tag#	Reading (mm)
2014-09-11	1	5.5
2014-09-11	102	5.2
2014-09-11	2	10.3
2014-09-11	245	17.5
2014-09-11	3	8.2
2014-09-11	4	8.9
2014-09-11	5	11.2
2014-09-11	7	8.4
2014-09-11	72	17.4
2014-09-11	79	10.5
2014-09-11	8	10.2

Water Potential - mode: raw

Time< h>	Species	Tree	readings (bar)
2014-09-11 12:22:00	OAK	102	-32	-32.5	-29
2014-09-11 12:22:00	OAK	35	-25	-27	-12
2014-09-11 12:22:00	OAK	92	-24	-24.5	-29
2014-09-11 12:43:00	PINE	OLD	-20	-23	-22
2014-09-11 12:43:00	PINE	YNG	-7.5	-2.5	-8.5

OAK_102	Whole Study	20140911	12:22:00	twig/leaf cluster	-3.1	0.19	3
OAK_35	Whole Study	20140911	12:22:00	twig/leaf cluster	-2.1	0.81	3
OAK_92	Whole Study	20140911	12:22:00	twig/leaf cluster	-2.6	0.28	3
PINE_OLD	Whole Study	20140911	12:43:00	twig/leaf cluster	-2.2	0.15	3
PINE_YNG	Whole Study	20140911	12:43:00	twig/leaf cluster	-0.6	0.32	3