| Site | Date | Author | Summary |
| Twitchell Alfalfa |
(353) 2013-12-19 14:00:00 |
Joe Verfaillie |
Standard data collection, Alfalfa not growing very fast at all.
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| Twitchell Alfalfa |
(340) 2013-12-06 10:20:00 |
Cove Sturtevant |
Alfalfa dormant. Need to replace LED sensor. Otherwise, good.
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| Twitchell Alfalfa |
(329) 2013-11-25 15:00:00 |
Cove Sturtevant |
Added battery to system. Found leaks in 7700 reservoir tubing.
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| Twitchell Alfalfa |
(325) 2013-11-21 13:15:00 |
Cove Sturtevant |
Alfalfa mown, bales removed. Data download.
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| Twitchell Alfalfa |
(310) 2013-11-06 14:30:00 |
Cove Sturtevant |
Standard site visit and data download. NirIn channel of NDVI sensor looks low.
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| Twitchell Alfalfa |
(297) 2013-10-24 08:00:00 |
Joe Verfaillie |
System down due to low power, Installed new solar panel, filled wash reservoir.
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| Twitchell Alfalfa |
(289) 2013-10-16 13:15:00 |
Cove Sturtevant |
Cut alfalfa baled and removed. Standard field work. Switched radiation program. Need to replace LED sensor (Red channels funny). Need to add another solar panel to power flux tower.
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| Twitchell Alfalfa |
(275) 2013-10-02 13:00:00 |
Cove Sturtevant |
Alfalfa mowed, but not baled. Extended water table well to 1.5 m, still no water. Downloaded data.
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| Twitchell Alfalfa |
(261) 2013-09-18 11:45:00 |
Cove Sturtevant |
Dug water well next to radiation boom, too difficult to reach water table. Swapped out flux instrument pole.
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| Twitchell Alfalfa |
(254) 2013-09-11 13:30:00 |
Cove Sturtevant |
Standard site visit. Swapped 7500 head (removed sn 2180, installed sn 0065). All good.
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| Twitchell Alfalfa |
(248) 2013-09-05 11:30:00 |
Cove Sturtevant |
Standard field measurements. Added spikes to 7700 hat. LED channel #3 might be a bit low, will check data. Otherwise, all good.
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| Twitchell Alfalfa |
(240) 2013-08-28 10:40:00 |
Cove Sturtevant |
Installed 7700, currently recording. All well.
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| Twitchell Alfalfa |
(233) 2013-08-21 11:40:00 |
Cove Sturtevant |
Alfalfa was being bailed. Clipped remaining alfalfa near radiation boom. Found chewed SHF wire - fixed. Took measurements of 7500 orientation w.r.t. sonic.
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| Twitchell Alfalfa |
(226) 2013-08-14 10:45:00 |
Cove Sturtevant |
Alfalfa mown but not bailed. Data download. Took GPS reading of site location.
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| Twitchell Alfalfa |
(217) 2013-08-05 11:50:00 |
Cove Sturtevant |
All good. Standard fieldwork.
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| Twitchell Alfalfa |
(212) 2013-07-31 13:50:00 |
Cove Sturtevant |
Alfalfa was rather fragrant today. All well.
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| Twitchell Alfalfa |
(207) 2013-07-26 12:00:00 |
Cove Sturtevant |
Regular field work. Data download. Swapped out LED sensor. Installed new bracket for flux instrument pole.
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| Twitchell Alfalfa |
(197) 2013-07-16 13:00:00 |
Cove Sturtevant |
Radiation 10x required restart. Some modification to new LED and new instrument pole bracket required for install next week.
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| Twitchell Alfalfa |
(191) 2013-07-10 13:30:00 |
Joe Verfaillie |
Standard field work, data collection, fixed camera view, rewired power supply in rad box
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| Twitchell Alfalfa |
(178) 2013-06-27 12:00:00 |
Cove Sturtevant |
Alfalfa has been mowed. Took soil cores. Bumped flux system to 20 Hz. Pulled CNR1 (was being tested alongside NR01).
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| Twitchell Alfalfa |
(171) 2013-06-20 10:40:00 |
Sara Knox |
Field full and flowery. Standard fieldwork (clip plots, spectral, LAI).
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| Twitchell Alfalfa |
(169) 2013-06-18 11:40:00 |
Cove Sturtevant |
Need better bracket for flux instrument pole. Changed 7550 time to ETC/GMT +8. Reinstalled the CNR1 to test alongside the NR01. Radiation readings looked good.
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| Twitchell Alfalfa |
(164) 2013-06-13 14:30:00 |
Cove Sturtevant |
Alfalfa very flowery. Placed spines on top of sonic and 7500. Something wrong with longwave radiation readings, will investigate further. Resealed camera box glass.
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| Twitchell Alfalfa |
(156) 2013-06-05 11:30:00 |
Cove Sturtevant |
Field full and flowery. Standard fieldwork. 7500 and sonic need birdie spikes, sonic covered in doodie. Put batteries in insulated box. Replaced ad hoc 7500 mount with official version. Put on CNR1 radiometer next to NR01 for night-time testing. Recorded
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| Twitchell Alfalfa |
(144) 2013-05-24 09:30:00 |
Cove Sturtevant |
Initial setup of tower, CO2 flux, camera, ground sensors, separate radiation stand in field.
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