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Field Notes

<--2009-10-09 12:00:00 | 2009-10-22 11:30:00-->
Other sites visited today: Sherman Island

Twitchell Rice: 2009-10-15 12:30:00 (DOY 288)
Author: Joe Verfaillie
Others:

Summary: corn field blown down by storm, rice still too wet, LGR fixed, power computer from solar system

Twitchell
10/15/2009

Arrived about 12:30 PDT. Clear, sunny, warm. The corn field to the east was all blown down by the storm – looks like strong wind from the south east. Some blow down in the rice too. Some rice was harvested from the northern section of Field 1 on Monday 10/12 along the edges and a little deeper than the end of our measurement berm. The edges have been mowed as well, but some still standing straw on either side of the measurement berm.

Processor says rice is still too wet (green). Probably continue harvest next week.

Instruments running, LGR in 1Hz slow flow mode. Generator went down on 10/10. I think I fixed the problem of the LGR starting up in slow flow mode. I shut it down properly in Hi flow mode and on restart it remained in hi flow mode. Even after pulling the plug it returned to hi flow after power was returned.

LGR Stats: 12:13PST, 1.8970ppm, 19670.1ppm, 396.94ppm, 27.76C, 145.7Torr, 18.1108usec, 10Hz. Pressure was 132 but I adjusted bypass valve to bring it back to 145.7.

Laptop was sleeping due to generator outage, web cam photos not collected. I need to power computer from solar system.

Data collected, card swapped. Rain reported incorrectly due to but in CR23X program – will fix next time out. Now wind data from sonic at height of storm.


17 photos found

view of field site
20091015TW_EgdeMowed.jpg ( 2009-10-15 13:02:45 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_EndOfBerm.jpg ( 2009-10-15 13:10:13 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_Field1NorthNW.jpg ( 2009-10-15 13:04:59 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_Field1NorthSW.jpg ( 2009-10-15 13:05:14 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_FranksTower1.jpg ( 2009-10-15 13:04:19 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_FranksTower2.jpg ( 2009-10-15 13:04:38 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_Harvested.jpg ( 2009-10-15 13:11:47 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_Mower.jpg ( 2009-10-15 13:02:52 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_Mulch.jpg ( 2009-10-15 13:10:24 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_NotHarvestedHarvested1.jpg ( 2009-10-15 13:11:33 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_NotHarvestedHarvested2.jpg ( 2009-10-15 13:12:17 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_RiceBlowDown1.jpg ( 2009-10-15 12:48:24 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_RiceBlowDown2.jpg ( 2009-10-15 12:48:36 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_RiceBlowDown3.jpg ( 2009-10-15 12:49:07 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_RiceBlowDown4.jpg ( 2009-10-15 12:54:17 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_RiceBlowDown5.jpg ( 2009-10-15 12:54:30 ) Full size: 2048x1536
view of field site

view of field site
20091015TW_RiceBlowDown6.jpg ( 2009-10-15 12:54:46 ) Full size: 2048x1536
view of field site

Graphs display:
6 sets found

12 TW_met graphs found

Soil Heat Flux

Solar Radiation

Air Temperature

Soil Temperature Set 1

Soil Temperature Set 2

Soil Temperature Set 3

Water Temperature

RH and Pressure

Soil Moisture

Rain and Water Level

Disolved Oxygen

LED NDVI Channels

5 TW_flux graphs found

Sonic Anemometer Winds

LI7700 CH4 and RSSI

Twitchell CH4

LI7500 CO2 and H2O

Twitchel Rice Flux Counts

Can't check TWSI_mixed
Can't check SIMBTWEE_met
1 TW_cam graphs found

TW Rice Autocam

Can't check TATWBABCSB_cam

 
 

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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.