Field Notes
<--2012-03-19 10:40:00 | 2012-04-05 09:30:00-->Other sites visited today: Tonzi | Tonzi
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Vaira: 2012-03-21 09:00:00 (DOY 81)
Author: Joe Verfaillie
Others: Siyan, Stephen
Summary: Replaced new soil co2 batteries, installed soil co2 probes, reinstalled SHF plate 3, reset cr23x to fix am16/32, oak tree leaves starting
| Vaira 2012-03-21 I arrived about 9:00 with Siyan. Shortly afterwards Stephen from Ameriflux arrived. It was sunny with some high thin clouds the burned off and w very light breeze. The ground is a little drier than two days ago. Today we noticed that many of the threes are beginning to put on leaves. I installed new batteries (borrowed from DWR) for the new soil co2 system sn BB-VR_soilco2. Siyan and I installed three sets of three probes to the west, north and east of the data logging box. All the probes and temperatures were reporting reasonable numbers when we left. The screen for the tower computer would not turn on but the computer seemed to be running. We waited until it got a little sunnier then the computer screen worked fine. The AM16/32 was bad again. Cycling the power on the CR23X fixed it again. The solar power seemed slow to recharge the batteries. When we left about noontime the solar charger was reading 12.2V 15.4A solar, 3.2A load. I reinstalled soil heat flux plate number three. |
Field Data
No tank data
Well Depth
| Date | Location | Depth (feet) |
|---|---|---|
| 2012-03-21 | TZ_floor | 28.9 |
| 2012-03-21 | TZ_road | 37.3 |
| 2012-03-21 | TZ_tower | 34 |
No TZ Moisture Point data found
No VR Moisture Point data found
No TZ grass heigth found
No VR grass heigth found
No VR Tree DBH found
No water potential data found
No VR Grass Biomass data found
No VR OakLeaves Biomass data found
No VR PineNeedles Biomass data found
9 photos found
20120321VR_AmerifluxTower.jpg ( 2012-03-21 11:34:22 ) Full size: 4000x3000
Ameriflux inter-comparison tower at Vaira
20120321VR_Leafout.jpg ( 2012-03-21 11:55:28 ) Full size: 4000x3000
New leaves on oak trees
20120321VR_NewSoilCO2.jpg ( 2012-03-21 11:09:39 ) Full size: 4000x3000
Fieldwork on soil CO2 sensors at Vaira
20120321VR_Site.jpg ( 2012-03-21 11:33:50 ) Full size: 4000x3000
Vaira site with blue sky and green grass
20120321VR_SoilCO2Box.jpg ( 2012-03-21 11:10:34 ) Full size: 4000x3000
Soil CO2 data logger box wiring
20120321VR_SoilCO2East.jpg ( 2012-03-21 11:10:18 ) Full size: 4000x3000
New soil co2 sensors in the grass
20120321VR_SoilCO2North.jpg ( 2012-03-21 11:10:05 ) Full size: 4000x3000
New insulated soil CO2 probes
20120321VR_SoilCO2West.jpg ( 2012-03-21 11:09:53 ) Full size: 4000x3000
New soil co2 sensors in the grass - West
vaira_2012_03_20_093102.jpg ( 2012-03-20 09:29:58 ) Full size: 1296x960
Ameriflux site check
9 sets found
16 VR_met graphs found
2 VR_flux graphs found
No data found for VR_soilco2.
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.