Field Notes

<--2020-12-01 12:00:00 | 2021-01-05 10:40:00-->
Other sites visited today: Vaira | Bouldin Alfalfa

Tonzi: 2020-12-18 09:30:00 (DOY 353)
Author: Joe Verfaillie
Others:

Summary: First real rain but not much, New tenant at Tonzi's house, Removed OSU SP1 tipping bucket for lab experiments. Grass is sprouting everywhere

Tonzi
2020-12-18

I arrived at about 9:30. It was clear and sunny and cool â€“ I saw the fog lifting as I drove in from Sacramento. There had been the first real rain a couple days ago. The ground was so dry that it just sucked up all the rain. There were a couple of puddles on the road but otherwise the ground was still hard and almost dry in sunny spots. Grass has sprouted everywhere giving the ground a green tint.

I met the new tenant and his black Labrador now living in Mr Tonziâ€™s house. The man had an idea of the science we are pursuing and his wife is related to the SMAP soil moisture project in some way. I gave him my contact information â€“ not sure Iâ€™ll hear from him or not.

The Tower seemed to be running fine. Most of the data was on the Tower computer â€“ cycling the power on the IRT CR1000 reestablished the radio connection and got that data up to date. The antenna was okay this time. I guess Iâ€™ll have to use the loner cable and get the antenna in a better spot.

The Tower 7500 read: 434.3ppm CO2, 351.9mmol/m3 H2O, 8.7C, 100.1kPa, 98.8SS

I forgot to check the power connections on the Tower top CR1000 but there was no missing data this time. Maybe cycling its power last time fixed the issue.

I collected the Floor data, the other data loggers, serviced the z-cams and the FD chambers. I did the Moisture Point readings, well depth and DBH readings. The Moisture Point probe near the Floor tower was loose in the ground and moved up a few centimeters when I pulled the cap off.

The Floor 7500 read: 432.3ppm CO2, 379.5mmol/m3 H2O, 9.8C, 100.2kPa, 99.1SS

I removed the tipping bucket sn 48130-611 from the OSU SP1 system for experiments in the lab. I disconnected the cable inside the bucket so I didnâ€™t have to pull the cable out of the ground but that means we will have to add some wire in the lab to use it.

I left at about noon for Vaira

Field Data

No tank data

Well Depth

Date	Location	Depth (feet)
2020-12-18	TZ_floor	31.6
2020-12-18	TZ_road	39.15
2020-12-18	TZ_tower	36.2
2020-12-18	VR_well	60.8
2020-12-18	VR_pond	13.88

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

Date	DOY	Rep	Depth	Tower	Floor_South	Soil_Transect_4	Soil_Transect_3	Soil_Transect_2	Soil_Transect_1	SoilCO2_West_A	SoilCO2_West_B	SoilCO2_West_C	Floor_West	Avg	Spacial Count	Measurement Count
2020-12-18	353	0	0-15cm	17.9	10	3.3	11.2	16.2	5.6	24.1	21.4	13
2020-12-18	353	0	15-30cm	11.8	7.8	11.8	20	17	5.4	16.7	7.8	15.8	10.9
2020-12-18	353	0	30-45cm	13.4	8.4	9.5	11.2	15.1	12.3	12.9	6.7	9.2	39.6
2020-12-18	353	0	45-60cm	15.3	11.1	10.2	15.6	20.8	11.9	13	23.6	12.8
2020-12-18	353	1	0-15cm	18.8	9.7	4.5	11.8	15.9	5.6	23.5	23.5	13.5	22
2020-12-18	353	1	15-30cm	10.9	8.7	10.9	20	16.7	5.7	15.8	9	15.5	11.8
2020-12-18	353	1	30-45cm	12.3	9.2	9.5	10.6	14.8	12.9	12.3	4.8	8.7	39.6
2020-12-18	353	1	45-60cm	15	5.6	10.2	15.9	21.6	12.2	12.5	23.4	12.5
2020-12-18	353	Avg	0-15cm	18.35	9.85	3.9	11.5	16.05	5.6	23.8	22.45	13.25	22	14.68	10	19
2020-12-18	353	Avg	15-30cm	11.35	8.25	11.35	20	16.85	5.55	16.25	8.4	15.65	11.35	12.5	10	20
2020-12-18	353	Avg	30-45cm	12.85	8.8	9.5	10.9	14.95	12.6	12.6	5.75	8.95	39.6	13.65	10	20
2020-12-18	353	Avg	45-60cm	15.15	8.35	10.2	15.75	21.2	12.05	12.75	23.5	12.65		14.62	9	18

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

Date	DOY	Rep	Depth	Flux_Tower	Biomass_Cage	Avg	Spacial Count	Measurement Count
2020-12-18	353	0	0-15cm	8.6	7.1
2020-12-18	353	0	15-30cm	18.8	14.2
2020-12-18	353	0	30-45cm	3.7	15.1
2020-12-18	353	0	45-60cm	13.9	14.8
2020-12-18	353	1	0-15cm	7.7	6.5
2020-12-18	353	1	15-30cm	19.4	14.2
2020-12-18	353	1	30-45cm	3.9	14.8
2020-12-18	353	1	45-60cm	14.5	14.5
2020-12-18	353	Avg	0-15cm	8.15	6.8	7.48	2	4
2020-12-18	353	Avg	15-30cm	19.1	14.2	16.65	2	4
2020-12-18	353	Avg	30-45cm	3.8	14.95	9.38	2	4
2020-12-18	353	Avg	45-60cm	14.2	14.65	14.43	2	4

No TZ grass heigth found

No VR grass heigth found

Tree DBH

Date	Tag#	Reading (mm)
2020-12-18	1	11.1
2020-12-18	102	8.3
2020-12-18	2	9.4
2020-12-18	245	13.8
2020-12-18	3	16.1
2020-12-18	4	10.2
2020-12-18	5	4.7
2020-12-18	6	16.5
2020-12-18	7	19.3
2020-12-18	72	10.6
2020-12-18	79	9.5