Field Notes

<--2020-09-16 13:30:00 | 2020-10-22 11:45:00-->
Other sites visited today: East End | Tonzi | Tonzi

Vaira: 2020-09-29 10:20:00 (DOY 273)
Author: Joe Verfaillie
Others: Siyan

Summary: Added Arable cup anemometer, removed original PAR sensors and update CR1000 program. All seemed well.

Vaira
2020-09-29

I arrived at about 10:20. Siyan was already there. It was hot and hazy with little to no wind. Air quality was in the moderate range with new fires burning in Napa.

I added a cup anemometer which plugs into the Arable Mark II. The anemometer is mounted on a post connected to an existing fence post with hose clamps and is 2m above ground level. Its cable runs along the top fence wire then up the tower to the radiation boom where it plugs into a junction box, Aux Bridge, also supplied by Arable. The Aux Bridge has connections for power and data from the anemometer (also an unused SDI-12 connection) and supplies both power and data to the Mark II on the standard power plug. I remove a plastic power junction box and fed our existing wires into the Aux Bridge where I splice them in with a screw terminal. It seemed to be working.

I also removed the two old PAR sensors (sn 990025 incoming and sn 990031 outgoing) which I had already swapped into the testing positions. The cables on these sensors is completely rotted near the sensors. After collecting the data I updated the CR1000 program to remove the two PAR testing readings and columns.

The data seemed to be all complete even though itâ€™s been about five weeks since it was last downloaded. I forgot the FD data in the morning and came back at about 14:30 to get it.

The 7500 read: 425.3ppm CO2, 377.5mmol/m3 H2O, 99.7kPa, 39.4C, 102.1SS

Siyan did the well, soil moisture, clip plots and went to the pond to collect the data there.

Field Data

No tank data

Well Depth

Date	Location	Depth (feet)
2020-09-29	VR_well	59.2
2020-09-29	TZ_floor	30.6
2020-09-29	TZ_tower	35.2
2020-09-29	TZ_road	38.3

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

Date	DOY	Rep	Depth	Tower	Floor_South	Floor_West	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
2020-09-29	273	0	0-15cm	3.9	2.2	3.3	3.9	1.8	3	0.9	6.5	3	2.7
2020-09-29	273	0	15-30cm	10	8.8	6	6	12.7	11.2	3.9	6	0.8	11.5
2020-09-29	273	0	30-45cm	13.4	10.1	15.6	9.5	11.2	15	12.9	14.8	9.8	10.9
2020-09-29	273	0	45-60cm	17	4.1	17.3	10.7	17	26.5	12.5	15.9	21	15.9
2020-09-29	273	1	0-15cm	3.3	2.8	3.9	3.9	3	3	0.6	6.5	5.3	1.5
2020-09-29	273	1	15-30cm	10.6	7.8	5.7	6	12.7	11.2	3.5	6.3	0.2	11.2
2020-09-29	273	1	30-45cm	12.6	9.5	11.5	9.8	12	15.4	12.6	15.7	9.2	9.8
2020-09-29	273	1	45-60cm	18.5	2.2	15.6	10.5	14.8	25.6	13.3	15.6	23.4	16.2
2020-09-29	273	Avg	0-15cm	3.6	2.5	3.6	3.9	2.4	3	0.75	6.5	4.15	2.1	3.25	10	20
2020-09-29	273	Avg	15-30cm	10.3	8.3	5.85	6	12.7	11.2	3.7	6.15	0.5	11.35	7.61	10	20
2020-09-29	273	Avg	30-45cm	13	9.8	13.55	9.65	11.6	15.2	12.75	15.25	9.5	10.35	12.07	10	20
2020-09-29	273	Avg	45-60cm	17.75	3.15	16.45	10.6	15.9	26.05	12.9	15.75	22.2	16.05	15.68	10	20

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
2020-09-29	273	0	0-15cm	0.1	0.1
2020-09-29	273	0	15-30cm	6.6	2.9
2020-09-29	273	0	30-45cm	4.2	13.7
2020-09-29	273	0	45-60cm	14.2	16.8
2020-09-29	273	1	0-15cm	0.4	0.1
2020-09-29	273	1	15-30cm	6.9	3.2
2020-09-29	273	1	30-45cm	4.8	14
2020-09-29	273	1	45-60cm	13.6	16.8
2020-09-29	273	Avg	0-15cm	0.25	0.1	0.18	2	4
2020-09-29	273	Avg	15-30cm	6.75	3.05	4.9	2	4
2020-09-29	273	Avg	30-45cm	4.5	13.85	9.18	2	4
2020-09-29	273	Avg	45-60cm	13.9	16.8	15.35	2	4