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Field Notes

<--2015-05-20 10:00:00 | 2015-09-01 09:30:00-->
Other sites visited today: Twitchell Alfalfa | West Pond | East End | Tonzi

Vaira: 2015-07-20 12:50:00 (DOY 201)
Author: Joe Verfaillie
Others: Ana

Summary: Swapped 7500, very dry and hot

Vaira
2015-07-20

I arrived about 12:50 with Ana. It was very hot and dry, but with a nice breeze. Thunderstorms were building over the Sierras. It doesn’t look like it has rained here recently though. The water hole still had a bit of water in the bottom, but everything else was super dry.

We swapped the 7500, sn 0041 came off and sn 0976 went on.
Before swap: 15.11mmol/m3 CO2, 721.95mmol/m3 H2O, 99.46kPa, 46.99C, 249diag
After swap: 15.19mmol/m3 CO2, 652.85mmol/m3 H2O, 99.37kPa, 42.13C, 249diag

I collected the rest of the data. A few days of soil CO2 data was lost due to data overrun because it was not collected last time.

Ana did the moisture point measurements.

The radiation sensors and the camera window were clean.

Field Data

No tank data

Well Depth

DateLocationDepth (feet)
2015-07-20TZ_floor28
2015-07-20TZ_road36
2015-07-20TZ_tower35

mode = both
Moisture Point Probes TZ
Array ( [0] => Tower [1] => Floor_South [2] => Floor_East [3] => Floor_West [4] => SoilCO2 [5] => Soil_Transect_4 [6] => Soil_Transect_3 [7] => Soil_Transect_2 [8] => Soil_Transect_1 [9] => SoilCO2_West_A [10] => SoilCO2_West_B [11] => SoilCO2_West_C )

Date DOY Rep Depth
Tower
Floor_South
Floor_East
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
2015-07-20 201 0 0-15cm 5.3 4.2 10.6 8.3 8 1.8 3.9 3.6 5 5.6 5 3.3
2015-07-20 201 0 15-30cm 10.3 5.7 9.3 8.7 7.2 9.3 14.8 12.4 4.2 7.5 1.4 11.5
2015-07-20 201 0 30-45cm 15.8 6.2 11.5 11.2 22.9 9.5 13.4 16.5 13.4 15.6 16.5 13.7
2015-07-20 201 0 45-60cm 8.7 9 18.8 14.5 11.1 11 16.8 26.2 9.9 18.2 18.8 21.6
2015-07-20 201 Avg 0-15cm 5.3 4.2 10.6 8.3 8 1.8 3.9 3.6 5 5.6 5 3.3 5.38 12 12
2015-07-20 201 Avg 15-30cm 10.3 5.7 9.3 8.7 7.2 9.3 14.8 12.4 4.2 7.5 1.4 11.5 8.53 12 12
2015-07-20 201 Avg 30-45cm 15.8 6.2 11.5 11.2 22.9 9.5 13.4 16.5 13.4 15.6 16.5 13.7 13.85 12 12
2015-07-20 201 Avg 45-60cm 8.7 9 18.8 14.5 11.1 11 16.8 26.2 9.9 18.2 18.8 21.6 15.38 12 12

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
2015-07-20 201 0 0-15cm 2.1 3 3.9 0.6
2015-07-20 201 0 15-30cm 10 13 8.1 4.8
2015-07-20 201 0 30-45cm 5.9 16.8 13.4 13.4
2015-07-20 201 0 45-60cm 13.3 29.4 11.6 16.2
2015-07-20 201 1 0-15cm 1.8 1.6 4.2 0.3
2015-07-20 201 1 15-30cm 10 12.7 8.1 4.2
2015-07-20 201 1 30-45cm 5.6 16.5 12.6 13.1
2015-07-20 201 1 45-60cm 13.9 29.4 10.2 16.2
2015-07-20 201 Avg 0-15cm 1.95 2.3 4.05 0.45 2.19 4 8
2015-07-20 201 Avg 15-30cm 10 12.85 8.1 4.5 8.86 4 8
2015-07-20 201 Avg 30-45cm 5.75 16.65 13 13.25 12.16 4 8
2015-07-20 201 Avg 45-60cm 13.6 29.4 10.9 16.2 17.53 4 8

No TZ grass heigth found

No VR grass heigth found

Tree DBH

DateTag#Reading (mm)

No water potential data found

No VR Grass Biomass data found

No VR OakLeaves Biomass data found

No VR PineNeedles Biomass data found

0 photos found

Graphs display:
9 sets found

16 VR_met graphs found

Temperatures

System Power Voltage

Soil Temperatures Set 1

Soil Temperatures Set 2

Soil Temperature Set 3

Soil Temperature at -4cm

Soil Heat Flux

Soil Moisture

Photosynthetic Active Radiation

Short/Long Wave Radiation

LED sensor

Vaira PPT

Peltier SHF Plates

Peltier SHF Temperatures

LED NDVI

NDVI SRS Raw Data

2 VR_flux graphs found

CO2 Density

Sonic Wind

6 VR_soilco2 graphs found

VR West Eosense Profile

VR North Vaisala Profile

Soil CO2 West Temperatures

Soil CO2 North Temperatures

Soil CO2 East Temperatures

VR East Vaisala Profile

No data found for VR_pond.
Can't check TZVR_mixed
No data found for VR_fd.
No data found for VR_processed.
No data found for VR_arable.
No data found for VR_soilvue.

 
 

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This material is based upon work supported by the National Science Foundation and US Department of Energy. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the supporters.