Field Notes

<--2020-06-12 12:00:00 | 2020-07-07 11:00:00-->
Other sites visited today: Mayberry | Vaira | Tonzi | West Pond

Tonzi: 2020-07-07 10:00:00 (DOY 189)
Author: Siyan Ma
Others: Joe, Kyoko, Hisashi

Summary: Dry and hot, standard fieldwork, midday water potential, clip plots for litter, tree 102 lost it dbh gauge

When: Date: 7/7/2019 , Day: 188 , Watch Time: 10:00 am .

Where: Tonzi/Vaira Ranch

Who: Siyan, Joe, and Joeâ€™s family (Kyoko and Hisashi)

Weather: clear, sunny

Phenology:

Summary

Swapped memory sticks of Licor-7500A. (Joe)
Checked and downloaded phenocam images and met data from PC at three towers. (Joe)
Read dendrometers
Measured soil moisture (Kyoko and Hisashi)
Measure groundwater well and download GlobalWater data
Measure midday water potential of oak leaves
Collect grass samples for standing grass litter

Vaira_Grass Site

Fence: electronic off.
Downloaded Phenocam images. (Joe)
Swapped the memory stick of Licor-7500A. (Joe)
Checked the fans of air temp and relative humidity sensors at Vaira. (Joe)
Downloaded met data (Joe)

A screenshot of a cell phone Description automatically generated

Checked levels of Radiation sensors, clear up surfaces.YES!
Checked rain gage, make sure not clogged. YES!
Closed gate

Tonzi_Tower Site

Fence: electronic off.
swapped the memory stick of Licor-7500A. (Joe)

A screenshot of a cell phone Description automatically generated

download Phenocam images. Yes! (Joe)
Screens of met dataloggers:

CR23X3 â€“ floor-Met & soil moisture

CR1000 â€“ tower-Met

Soil CO₂ profile: CR23X5 â€“ soil CO₂ profile

A screenshot of a cell phone Description automatically generated

5. closed gate

Toniz_Floor Site

Fence: electronic off.
Swapped the memory stick of Licor-7500A. (Joe)

A screenshot of a cell phone Description automatically generated

Closed gate

Field Data

No tank data

Well Depth

Date	Location	Depth (feet)
2020-07-07	MB	1.77
2020-07-07	VR_well	56.2
2020-07-07	TZ_floor	27.8
2020-07-07	TZ_tower	32.2
2020-07-07	TZ_road	36.5
2020-07-07	WP	1.41

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
2020-07-07	189	0	0-15cm	4.5	1.8	4.2	5.1	3.6	0.1	8	5	2.1
2020-07-07	189	0	15-30cm	10.2	9	7.8	14.5	12.4	4.5	7.8	1.1	11.8	4.8
2020-07-07	189	0	30-45cm	14.3	13.7	10.6	16.5	16.8	14	16.8	15.1	12.6
2020-07-07	189	0	45-60cm	18.2	10.7	11.3	19.1		49.7	17.6	24.5	19.1
2020-07-07	189	1	0-15cm	3.9	1.5	3.4	5.4	4.2	0.1	7.7	4.5	2.1	0.1
2020-07-07	189	1	15-30cm	12.4	7.5	7.8	14.8	12.4	4.2	8.4	1.7	12.4	6.3
2020-07-07	189	1	30-45cm	14.3	14.8	10.3	16.2	17.3	13.7	16.8	15.9	12.6
2020-07-07	189	1	45-60cm	19	7.9	12.5	19.3	28.8	50	17.6	24.2	18.2
2020-07-07	189	2	15-30cm										7.5
2020-07-07	189	2	30-45cm										25.1
2020-07-07	189	Avg	0-15cm	4.2	1.65	3.8	5.25	3.9	0.1	7.85	4.75	2.1	0.1	3.37	10	19
2020-07-07	189	Avg	15-30cm	11.3	8.25	7.8	14.65	12.4	4.35	8.1	1.4	12.1	6.2	8.66	10	21
2020-07-07	189	Avg	30-45cm	14.3	14.25	10.45	16.35	17.05	13.85	16.8	15.5	12.6	25.1	15.63	10	19
2020-07-07	189	Avg	45-60cm	18.6	9.3	11.9	19.2	28.8	49.85	17.6	24.35	18.65		22.03	9	17

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
2020-07-07	189	0	0-15cm	0.7	0.3
2020-07-07	189	0	15-30cm	8.7	5.1
2020-07-07	189	0	30-45cm	4.5	14.3
2020-07-07	189	0	45-60cm	13.6	17
2020-07-07	189	1	0-15cm	0.1	0.6
2020-07-07	189	1	15-30cm	9.3	5.4
2020-07-07	189	1	30-45cm	5	15.1
2020-07-07	189	1	45-60cm	13.6	16.8
2020-07-07	189	Avg	0-15cm	0.4	0.45	0.43	2	4
2020-07-07	189	Avg	15-30cm	9	5.25	7.13	2	4
2020-07-07	189	Avg	30-45cm	4.75	14.7	9.73	2	4
2020-07-07	189	Avg	45-60cm	13.6	16.9	15.25	2	4

No TZ grass heigth found

No VR grass heigth found

Tree DBH

Date	Tag#	Reading (mm)
2020-07-07	1	25.1
2020-07-07	2	12.9
2020-07-07	245	12.2
2020-07-07	3	15.2
2020-07-07	4	8.9
2020-07-07	6	15.9
2020-07-07	7	19.1
2020-07-07	72	9.8
2020-07-07	79	20.5

Water Potential - mode: raw

Time	Species	Tree	readings (bar)
2020-07-07 12:38:00	OAK	102	-32	-35	-45
2020-07-07 12:38:00	OAK	35	-33	-42	-33
2020-07-07 12:38:00	OAK	92	-34	-41	-39
2020-07-07 13:05:00	PINE	OLD	-18	-2	-14
2020-07-07 13:05:00	PINE	YNG	-1	-3	-1