Field Notes

Fieldnotes Limited To:
Site = Twitchell Alfalfa
Year = 2014
 2013 | 2014 | 2015 | 2016 | 2017 | 2018
42 Rows returned:
SiteDateAuthorSummary
Twitchell Alfalfa (357) 2014-12-23 13:15:00 Joe Verfaillie Heavy fog, power off do to low volatage - reset, repaired small damage to soil co2 and radiation due to sheep, installed new camera, dead lamb under tower
Twitchell Alfalfa (344) 2014-12-10 11:15:00 Cove Sturtevant Sheep in field with flimsy barrier laid over soil CO2 setup. Rad boom rotated 180 degrees and not level. Data download.
Twitchell Alfalfa (329) 2014-11-25 15:30:00 Patty Oikawa Muddy road. Standard data collection.
Twitchell Alfalfa (315) 2014-11-11 11:05:00 Cove Sturtevant Collected data. Minor maintenance. Regular fieldwork. Fixed SHF #2.
Twitchell Alfalfa (303) 2014-10-30 12:50:00 Joe Verfaillie Standard data collection, field has been mowed and baled, install three FR CO2 probes, trouble with power relay.
Twitchell Alfalfa (289) 2014-10-16 12:45:00 Joe Verfaillie Standard data collection, roads passable, added split loom to wires near tower, swapped 7550-7500 cable and pressure port gaskets.
Twitchell Alfalfa (282) 2014-10-09 09:00:00 Joe Verfaillie Reinstalled soil collar 1, swapped FD probe, swapped sonic cable, Many slightly chewed cables.
Twitchell Alfalfa (275) 2014-10-02 11:30:00 Cove Sturtevant Regular fieldwork. Ditches full of water. Updated 7500 firmware. Tested out new spectral.
Twitchell Alfalfa (268) 2014-09-25 14:00:00 Cove Sturtevant Field wet farther out in footprint. Huge soil respiration. Couldn't find collar #1. Reinstalled soil CO2 probe & 2 thermocouples and added protective tubing to wires.
Twitchell Alfalfa (261) 2014-09-18 11:00:00 Joe Verfaillie Soil profile A disturbed and broken, ran power wire for radiation data logger, checked sonic cable, TC wires need to be reburied.
Twitchell Alfalfa (253) 2014-09-10 11:00:00 Joe Verfaillie Checked on soil co2 system and radiometers, did soil respiration.
Twitchell Alfalfa (251) 2014-09-08 13:30:00 Cove Sturtevant Alfalfa mown. Regular fieldwork. Checked weird readings from soil CO2 system but seemed fine.
Twitchell Alfalfa (247) 2014-09-04 11:45:00 Joe Verfaillie took soil samples, added power line for 6400, standard field work, fixed soilco2 power issue, FD sensors reading low, reset data logger clocks by a few minutes.
Twitchell Alfalfa (239) 2014-08-27 14:50:00 Cove Sturtevant Swapped 7500. Swapped out 3 probes in soil CO2 system. Regular fieldwork.
Twitchell Alfalfa (231) 2014-08-19 12:45:00 Cove Sturtevant Alfalfa flowering. Regular fieldwork. Need to bring battery now for soil respiration measurements. Forgot to download soil CO2 data. Wasp control.
Twitchell Alfalfa (227) 2014-08-15 09:30:00 Joe Verfaillie Converted solar power system to 24V and added converter for 12V equipment, autocam seems to be working.
Twitchell Alfalfa (225) 2014-08-13 09:30:00 Joe Verfaillie Installed soil co2 system, need to reconfigure power system in the next few days. Reinstalled autocam.
Twitchell Alfalfa (219) 2014-08-07 13:45:00 Cove Sturtevant Alfalfa regrowing steadily. Need replacement for autocam. Data download.
Twitchell Alfalfa (212) 2014-07-31 15:00:00 Cove Sturtevant Alfalfa cut and baled. Regular fieldwork. Pulled dead camera.
Twitchell Alfalfa (204) 2014-07-23 14:00:00 Sara Knox Summary: Site check. Camera has lost power and still not working. Data download.
Twitchell Alfalfa (196) 2014-07-15 15:00:00 Cove Sturtevant Regular field work and site check. Spectrometer trouble.
Twitchell Alfalfa (189) 2014-07-08 15:30:00 Patty Oikawa Wet road, heat flux plate found out of soil again, broke meter stick
Twitchell Alfalfa (183) 2014-07-02 11:10:00 Patty Oikawa Installed Picarro, water additions to collar, heat flux plate loose
Twitchell Alfalfa (177) 2014-06-26 15:00:00 Cove Sturtevant Regular site visit. All good.
Twitchell Alfalfa (168) 2014-06-17 13:30:00 Patty Oikawa Alfalfa recently cut and bailed. Trimmed alfalfa by hand below radiation sensors. Met looked good.
Twitchell Alfalfa (163) 2014-06-12 14:00:00 Sara Knox Regular field work. Data. download.
Twitchell Alfalfa (156) 2014-06-05 14:15:00 Cove Sturtevant Regular field work. Reinstalled multiplexor.
Twitchell Alfalfa (149) 2014-05-29 15:15:00 Cove Sturtevant Regular fieldwork. Alfalfa flowering. Irrigation ditch full of water at north end of field.
Twitchell Alfalfa (141) 2014-05-21 11:30:00 Sara Knox Standard fieldwork, cut alfalfa baled and removed from the field, fixed soil temps.
Twitchell Alfalfa (133) 2014-05-13 08:30:00 Joe Verfaillie Standard fieldwork, tried to swap AM25T mux or AM16/32, but did not seem to work, the ant are back.
Twitchell Alfalfa (127) 2014-05-07 13:55:00 Cove Sturtevant Alfalfa mown. Bees angry. Clipped alfalfa around boom, and grass around tower. AM25T crapped out. Need replacement. Took spectral.
Twitchell Alfalfa (121) 2014-05-01 13:15:00 Cove Sturtevant Standard field work & data download. All well.
Twitchell Alfalfa (107) 2014-04-17 15:00:00 Joe Verfaillie Ants in data logger box - left open, Maybe fixed phantom 7700 logging problem on 7550 box, replace HMP60 fan
Twitchell Alfalfa (100) 2014-04-10 13:30:00 Cove Sturtevant Standard fieldwork. Weird mux problem with heat flux plates. Moved GHF plates to CR1000, good readings. All good.
Twitchell Alfalfa (93) 2014-04-03 13:40:00 Sara Knox Regular field work. All good.
Twitchell Alfalfa (86) 2014-03-27 14:20:00 Cove Sturtevant Regular field work. Swapped 7500. Swapped out rad tower solar controller. Removing 7700 from logging did not fix extra 9999 columns. Reflected PAR sensor covered with eggs.
Twitchell Alfalfa (72) 2014-03-13 14:30:00 Sara Knox Alfalfa growing. Standard fieldwork. Data download.
Twitchell Alfalfa (66) 2014-03-07 10:35:00 Cove Sturtevant Alfalfa growing. Updated 7500A/7550 firmware. Low readings on SHF3 to check out. Rad 10x needed restart.
Twitchell Alfalfa (56) 2014-02-25 14:45:00 Cove Sturtevant Field extensively grazed by sheep. Moved 7700 over to East End. Regular field work. Data download. Reset radiation 10x.
Twitchell Alfalfa (36) 2014-02-05 14:45:00 Cove Sturtevant Alfalfa green but not growing. Reinstalled 7700 sprayer. All good.
Twitchell Alfalfa (23) 2014-01-23 14:00:00 Joe Verfaillie Standard fieldwork and data collection, 7700 was tube plugged up - MacGuyvered
Twitchell Alfalfa (10) 2014-01-10 14:50:00 Cove Sturtevant Alfalfa not growing. Resealed 7700 reservoir filter with silicone tape. Still need to replace LED sensor.