Field Notes

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Twitchell Rice: 2009-05-21 13:30:00 (DOY 141)
Author: Joe Verfaillie
Others:

Summary: Installed water pressure, change 23x program, computer lock ups, clip plots.

Twitchell
5-21-2009

Arrived about 1:30, clear, sunny, hot, very light breeze.

Installed water pressure/level sensor and changed 23x program to capture both pressure and temperature from the probe. The bottom of the well was just barely wet, maybe only a mm or so of water. We will have to make some manual measurements of the water table to check the offset of the sensor. The measurement point of the sensor is approximately 120cm below the top of the pipe or 105cm below the ground surface.

The computer was locked up again. I discovered that the computer’s internal fan was not plugged in. Fixed this. Hopefully, getting too hot will explain some of the lock ups and restarts that are causing problems.

I harvested three plots of rice seedlings and any weeds for LAI. The rice is planted in rows about 4 inches apart. Our standard LAI plot square fit neatly over two rows.

11 photos found

23x data logger wiring at the rice site
20090520TW_23xWires.jpg ( 2009-05-20 13:35:17 ) Full size: 2048x1536
23x data logger wiring at the rice site

Wiring inside the data logger box at the rice site
20090520TW_DataLoggerBox.jpg ( 2009-05-20 13:34:49 ) Full size: 2048x1536
Wiring inside the data logger box at the rice site

Data logger and wiring inside box at the rice field
20090520TW_DataLoggers.jpg ( 2009-05-20 13:34:58 ) Full size: 2048x1536
Data logger and wiring inside box at the rice field

Oliver doing spectra measurements in the rice field
20090520TW_Oliver.jpg ( 2009-05-20 13:36:00 ) Full size: 2048x1536
Oliver doing spectra measurements in the rice field

Ship on river above rice paddies
20090520TW_Ship1.jpg ( 2009-05-20 14:04:56 ) Full size: 2048x1536
Ship on river above rice paddies

Ship on river above rice paddies
20090520TW_Ship2.jpg ( 2009-05-20 14:05:16 ) Full size: 2048x1536
Ship on river above rice paddies

Ship above the rice field and USGS tower
20090520TW_ShipFranksTower.jpg ( 2009-05-20 14:03:22 ) Full size: 2048x1536
Ship above the rice field and USGS tower

Eddy tower at edge of newly planted rice field
20090520TW_ShipTower1.jpg ( 2009-05-20 14:03:37 ) Full size: 2048x1536
Eddy tower at edge of newly planted rice field

Eddy tower at edge of newly planted rice field
20090520TW_ShipTower2.jpg ( 2009-05-20 14:05:06 ) Full size: 2048x1536
Eddy tower at edge of newly planted rice field

Ground sensors installed in the rice field before flooding
20090520TW_TowerGroundSensors.jpg ( 2009-05-20 13:36:33 ) Full size: 2048x1536
Ground sensors installed in the rice field before flooding

Example of clip plot square
20090521TW_LAIHarvest.jpg ( 2009-05-21 14:11:24 ) Full size: 2048x1536
Example of clip plot square

Graphs display:
6 sets found

12 TW_met graphs found

Explore the graph:Soil Heat Flux in a new window

Explore the graph:Solar Radiation in a new window

Explore the graph:Air Temperature in a new window

Explore the graph:Soil Temperature Set 1 in a new window

Explore the graph:Soil Temperature Set 2 in a new window

Explore the graph:Soil Temperature Set 3 in a new window

Explore the graph:Water Temperature in a new window

Explore the graph:RH and Pressure in a new window

Explore the graph:Soil Moisture in a new window

Explore the graph:Rain and Water Level in a new window

Explore the graph:Disolved Oxygen in a new window

Explore the graph:LED NDVI Channels in a new window

No data found for TW_flux.
Can't check TWSI_mixed
Can't check SIMBTWEE_met
1 TW_cam graphs found

Explore the graph:TW Rice Autocam in a new window

Can't check TATWBABCSB_cam