Field Notes

Tonzi: 2017-01-17 11:30:00 (DOY 17)
Author: Joe Verfaillie
Others: Siyan, Miriam Johnston

Summary: very wet, pond much higher, removed bad batteries from Tower battery bank, cut down dead tree near Tower, swapped Floor 7500, resealed z-cam windows.

Tonzi
2017-01-17

I arrived about 11:30am with Siyan and Miriam Johnston. Miriam is a PhD student visiting from the Moorcroft lab at Harvard University. She will be running a model using Tonzi/Vaira data. The Delta and Central Valley were foggy but here itâ€™s just hazy and cool with a breeze from the north. The Sacramento River is running high with some flooding on the river side of the levees. The Cosumnes is a little bit lower than two weeks ago.

I met Rob Conkling who was out cutting fire wood. He said there had been a lot of rain and high wind in the last week. I asked him about the dead tree near the tower guy wires on the southwest corner and he cut it down right then and there. He felled it to the north away from the guy wires and will leave it where it fell until the ground dries out so he can get in with a truck to cut it up for firewood. Rob also said heâ€™s notice a lot of small trees dying due to the drought and that the dead ones have lots of insect damage.

The Tower has been losing power over night recently. Miriam and I disconnected all the batteries and tested them with the load tester. Four batteries tested bad. We removed them and reconnected the others. The CO2 profile system is still off.

I collected data, Siyan did the standard fieldwork.

We checked and swapped the 7500 on the Floor tower - sn 0073 came off and sn 0418 went on. The CO2 calibration coefficients on 0073 got messed up somehow after its last calibration and CO2 was reading about 519ppm low, but the signal looked okay.

I resealed the windows on z-cam 2 and 3 with silicone. They were temporarily held on with putty and there was a little bit on condensation on the inside of the glass.

Field Data

No tank data

Well Depth

Date	Location	Depth (feet)
2017-01-17	TZ_floor	23.9
2017-01-17	TZ_road	31.1
2017-01-17	TZ_tower	27

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 )

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	Avg	Spacial Count	Measurement Count
2017-01-17	17	0	0-15cm	36.7	32.9	37.9	38.4	32.6	22.3	29.1	33.8	33.8	32	35.5
2017-01-17	17	0	15-30cm	44.8	43.9	39.6	39.9	39.9	34.1	33	28.6	32.9	30.4	34.4
2017-01-17	17	0	30-45cm	38.8	42.7	41.9	46	38.8	35.4	36.8	37.4	36.6	39.6	37.4
2017-01-17	17	0	45-60cm	39.5	57.2	45.4	41.7	35.7	45.4	47.1	39.4	45.4	50	49.1
2017-01-17	17	1	0-15cm	37		37.6		32.3	23.8	28.2	34.1	33.8
2017-01-17	17	1	15-30cm	44.8		39.9		39.1	33.8	33.2	28.3	33.2
2017-01-17	17	1	30-45cm	39.4		41.3		39.1	34.9	36	36.8	36.8
2017-01-17	17	1	45-60cm	38.8		44.8		35.7	44.8	48.6	39.1	44.3
2017-01-17	17	Avg	0-15cm	36.85	32.9	37.75	38.4	32.45	23.05	28.65	33.95	33.8	32	35.5	33.21	11	18
2017-01-17	17	Avg	15-30cm	44.8	43.9	39.75	39.9	39.5	33.95	33.1	28.45	33.05	30.4	34.4	36.47	11	18
2017-01-17	17	Avg	30-45cm	39.1	42.7	41.6	46	38.95	35.15	36.4	37.1	36.7	39.6	37.4	39.15	11	18
2017-01-17	17	Avg	45-60cm	39.15	57.2	45.1	41.7	35.7	45.1	47.85	39.25	44.85	50	49.1	45	11	18

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
2017-01-17	17	0	0-15cm	34.1	18.5	37.9	12.7
2017-01-17	17	0	15-30cm		69.2	21.3	25.8
2017-01-17	17	0	30-45cm	31.6	26.8	26.2	32.9
2017-01-17	17	0	45-60cm	43.8	26.2	23.1	33.1
2017-01-17	17	1	0-15cm	33.8	28.2	37.3	13
2017-01-17	17	1	15-30cm	31	31.6	21.9	24.6
2017-01-17	17	1	30-45cm	31.8	27.4	26.9	32.9
2017-01-17	17	1	45-60cm	42.5	24.8	23.4	33.1
2017-01-17	17	Avg	0-15cm	33.95	23.35	37.6	12.85	26.94	4	8
2017-01-17	17	Avg	15-30cm	31	50.4	21.6	25.2	32.05	4	7
2017-01-17	17	Avg	30-45cm	31.7	27.1	26.55	32.9	29.56	4	8
2017-01-17	17	Avg	45-60cm	43.15	25.5	23.25	33.1	31.25	4	8

No TZ grass heigth found

No VR grass heigth found

Tree DBH

Date	Tag#	Reading (mm)
2017-01-17	1	25.5
2017-01-17	102	23.0
2017-01-17	2	19.8
2017-01-17	245	23.2
2017-01-17	3	23.9
2017-01-17	4	20.0
2017-01-17	5	21.0
2017-01-17	7	17.5
2017-01-17	72	23.5
2017-01-17	79	23.3
2017-01-17	8	20.8