Field Notes

<--2021-12-02 10:15:00 | 2022-01-19 14:00:00-->
Other sites visited today: Hill Slough | Vaira

Tonzi: 2022-01-06 11:50:00 (DOY 6)
Author: Daphne Szutu
Others: Dennis

Summary: Power outages, Regular data collection/cleaning, foggy and overcast with wet roads, tree diameters have increased, reset phenocam clock, spectral measurements

2022-01-06
Tonzi

Dennis and I arrived at 11:50 PST after stopping at Hill Slough to download data this morning. It was cool and foggy with not much breeze. The grass was green and pretty short, although we didn’t see any cows around. The road had some puddles but it was driveable; we stopped and parked on the road by the IRT sensors because the road became much muddier closer to the main tower. The pond looked full and had expanded north to the other side of the small rise. It was quiet and peaceful, and the sun came out in the afternoon as we were leaving. Dennis was out here in May but this is my first time here since March 2020. Joe is in Japan with his family. He gave me detailed notes and a map for where to find everything.

Dennis took soil moisture, veg height, and manual well measurements. He also took some spectral measurements in the open area by the IRT tower. Back in the lab I noticed the spectra file times were 14:20-14:22, which doesn't match the times we were at the site (we left around 14:15 and Dennis did not do spectra right before we left). I checked the spectrometer clock and found it ahead by about 1 hour. When the time was 12:42, I changed it to 11:50 to match my computer time. I don't know if the clock drifted or if we accidentally set it to PDT in the past. With this correction, the spectra files were taken around 13:20, which would match with our time at the site.

I stopped first at the Latte Panda to see if all the data was there. The IRT data was last updated on 2021-12-12 and the tower met and tower co2prof were last updated on 2021-12-26. I walked to the IRT to unplug and replug the CR1000 power. This worked to send updated data to the Latte Panda. I moved all the files from C:\Data and from C:\Data\OSUData to a USB stick and moved them to datamule.

I checked on the data loggers for the tower met and the tower CO2 profile and they seemed fine, so I downloaded the data directly from them, downloading data since 12/1. I think they’re connected to the LattePanda by ethernet. The ethernet connections on both data loggers looked fine with blinky lights, and the ethernet switch at the tower top also looked reasonable. The ethernet connection on the LattePanda behind the screen seemed secure, but I couldn’t see any blinky lights. Since all the data was there and should continue spooling up in the data loggers, I left things as is.

Power outage at the Tower on the 27th-28th coincident with several days of low light. Might explain problems with Ethernet connected data loggers. The OSU SP2 system also died at this time and really never recovered. This system doesn't get a lot of sunlight - I might move its power to the Tower system.

At the tower top and at the floor, the sensors all looked pretty clean.
I downloaded:
- Tower USB
- Tower phenocam (clock was bad; reset from 2000-01-08 10:41 to 2022-01-06 12:09)
- Floor USB
- Floor well
- Soil CO2 CR23X
- Both FD chambers and cleared their memories
- IRT CR23X (forgot to rename the file before downloading so all data since 11/17 is in TZ_irt3_23x_20220106.dat)
- 3 Zcams, swapped their desiccants, and tested their function
- Did not collect the Road well Global Water data

While I was waiting for the FD chambers to clear their memories, I walked around to measure the DBH of our various trees. The diameter of most of them increased by around 1mm, although tree 102 increased by almost 5mm from 14.0 to 18.8mm, so in retrospect that might not that right.

The soil CO2 fence is not working, but we turned on the main tower electrical fence before leaving.

Tower LI-7500 readings:
CO2 402ppm
H2O 525ppm
T 11.5C
P 99.3kPa
SS 98
Floor LI-7500 readings:
CO2 412ppm
H2O 571ppm
T 12.6C
P 99.3kPa
SS 104

We left at 14:15 PST to head to Vaira.

Field Data

No tank data

Well Depth

Date	Location	Depth (feet)
2022-01-06	TZ_floor	27.7
2022-01-06	TZ_tower	31.1
2022-01-06	TZ_road	35.1
2022-01-06	VR_well	53

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

Date	DOY	Rep	Depth	Tower	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
2022-01-06	6	0	0-15cm	41.7	28.5	27.6	22.9	26.7	37.6	36.1	34.3
2022-01-06	6	0	15-30cm	39.6	35.9	35	34.4	27.1	32.6	29.2	39.6
2022-01-06	6	0	30-45cm	34.1	38	36.6	36.3	36.6	37.7	41.3	38.8
2022-01-06	6	0	45-60cm	42.3	34.8	48.3	49.1	41.4	46.6	50.6	48
2022-01-06	6	1	0-15cm	40.8	27.9	20.9	23.2	21.7	36.7	35.5	34.3
2022-01-06	6	1	15-30cm	38.4	35.3	34.7	34.4	27.1	32.6	28.3	34.4
2022-01-06	6	1	30-45cm	34.3	37.7	36.8	35.2	36	36.3	40.7	38
2022-01-06	6	1	45-60cm	40.4	35.1	45.1	48.8	41.4	45.1	50.3	46.8
2022-01-06	6	2	0-15cm	42.6	27.3	28.5	23.2	19.1	36.7	36.4	34.1
2022-01-06	6	2	15-30cm	40.8	35.3	34.4	33.8	27.1	32.3	29.2	34.1
2022-01-06	6	2	30-45cm	33.5	37.1	36.3	34.1	36.6	36.8	41.3	37.7
2022-01-06	6	2	45-60cm	43.4	34.2	44.5	48.6	40.8	45.4	50.6	47.1
2022-01-06	6	Avg	0-15cm	41.7	27.9	25.67	23.1	22.5	37	36	34.23	31.01	8	24
2022-01-06	6	Avg	15-30cm	39.6	35.5	34.7	34.2	27.1	32.5	28.9	36.03	33.57	8	24
2022-01-06	6	Avg	30-45cm	33.97	37.6	36.57	35.2	36.4	36.93	41.1	38.17	36.99	8	24
2022-01-06	6	Avg	45-60cm	42.03	34.7	45.97	48.83	41.2	45.7	50.5	47.3	44.53	8	24

No VR Moisture Point data found

No TZ grass heigth found

No VR grass heigth found

Tree DBH

Date	Tag#	Reading (mm)
2022-01-06	1	17.4
2022-01-06	102	18.8
2022-01-06	2	15.2
2022-01-06	245	5.0
2022-01-06	3	20.2
2022-01-06	4	16.1
2022-01-06	6	20.2
2022-01-06	7	9.6
2022-01-06	72	13.4
2022-01-06	79	13.3