Field Notes

Fieldnotes Limited To:
Site = Twitchell Rice
Year = 2010

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42 Rows returned:
SiteDateAuthorSummary
Twitchell Rice (355) 2010-12-21 08:00:00 Joe Verfaillie Problems with AC power in the box, shutdown generator to await fix after first of the year, HMP45 not working.
Twitchell Rice (343) 2010-12-09 12:30:00 Joe Verfaillie Generator down, solar panels to Mayberry.
Twitchell Rice (336) 2010-12-02 07:20:00 Joe Verfaillie Checked on new generator, copied data, calibrated LGR, checked sonic heading.
Twitchell Rice (322) 2010-11-18 09:30:00 Joe Verfaillie Move tower to original location on berm in the northern half of the field, field fully flooded.
Twitchell Rice (321) 2010-11-17 11:00:00 Joe Verfaillie Copied data and swapped card, prepare for move tomorrow.
Twitchell Rice (316) 2010-11-12 08:00:00 Joe Verfaillie Generator not running, lots of black birds.
Twitchell Rice (309) 2010-11-05 08:30:00 Joe Verfaillie power out due to popped GFI outlet - fixed, 12VDC supply didn't seem to be supplying power - removed for check and connected solar panels, moved solar base to Mayberry.
Twitchell Rice (304) 2010-10-31 15:00:00 Dennis Baldocchi ac power down at site. rice being harvested in far fields
Twitchell Rice (300) 2010-10-27 08:30:00 Joe Verfaillie Pulled field sensors, power down due to GFI fixed.
Twitchell Rice (287) 2010-10-14 09:30:00 Joe Verfaillie Standard field work, air conditioner seems running too much, retrieved solar panels for Mayberry.
Twitchell Rice (274) 2010-10-01 10:15:00 Joe Verfaillie Tested tipping bucket again, removed DO as field was drained.
Twitchell Rice (264) 2010-09-21 09:20:00 Joe Verfaillie Removed LI7700, tested tipping bucket, recorded spectra.
Twitchell Rice (262) 2010-09-19 10:00:00 Jaclyn Hatala Standard field work.
Twitchell Rice (251) 2010-09-08 09:30:00 Joe Verfaillie Field water level low, standard field work, LGR calibrated, CR23x program changed.
Twitchell Rice (241) 2010-08-29 11:44:00 Jaclyn Hatala Field trip to Twitchell Island, Saturday 8/28/2010
Twitchell Rice (229) 2010-08-17 09:40:00 Joe Verfaillie Twitchell 8/17/2010 Arrived about 9:40am PST with Dennis and Jaclyn and Dennis�s brother and father. It was cool clear and sunny with an moderate wind from the west. The water level in the field is just above the top of the well pipe. Rice looks
Twitchell Rice (223) 2010-08-11 11:45:00 Joe Verfaillie Twitchell 8/11/2010 Arrived about 11:45am PDT with Jaclyn. Met Jim. Bruce and Jim are working a new contract building a duck club on Sherman north west of our field. So extra help, Mike, is mostly looking after Twitchell. They have be trouble shoo
Twitchell Rice (223) 2010-08-11 11:30:00 Jaclyn Hatala Twitchell: Arrived around 11:30am, cool temperatures and still a strong breeze from the S/SW. Rice looks like it's doing well, although Jim expressed concern about it being cold for the past week or so. LAI is huge now (mean was 11), and average height wa
Twitchell Rice (217) 2010-08-05 12:50:00 Joe Verfaillie Twitchell 2010/8/5 Arrived about 12:50 PDT with Jaclyn. It was warm, sunny and clear with nice wind from the west. It looked like it was blow hard from the west when we went by around 6am on the way to Ione. Corn in the adjacent field was pointing
Twitchell Rice (209) 2010-07-28 13:00:00 Joe Verfaillie Twitchell 7/28/2010 Arrived about 1pm with Jaclyn. The weather was sunny, warm but not as windy as earlier at Sherman. The water level in the field was higher again. The rice looks okay, but quite a few aquatic weeds in the field. The weeds along
Twitchell Rice (209) 2010-07-28 13:00:00 Jaclyn Hatala Twitchell: Took 5 clip plots for biomass/LAI measurement in lab - average rice LAI is now 8. Took 5 reflectance spectra measurements. Measured water depth, which averaged 20cm (about double what it was 2 weeks ago) and rice height, which averaged 35cm. I
Twitchell Rice (195) 2010-07-14 11:00:00 Joe Verfaillie Arrived about 11am. Met Frank at the ponds to return USB flash drive. Hot, sunny, clear, with very little wind. Water level in the field looks quite a bit lower. All was well. The LGR pressure was a little low (100.0Torr) but disconnecting the exte
Twitchell Rice (182) 2010-07-01 10:00:00 Joe Verfaillie Twitchell 7/1/2010 Arrived about 10am with Jaclyn. It was clear, sunny, warm, but enough breeze to keep my long sleeves on. The rice looks okay, still some weeds and a little thin near the tower radiometers. It looks like it was planted less densel
Twitchell Rice (173) 2010-06-22 11:00:00 Joe Verfaillie Twitchell 6/22/2010 Arrived about 11am. Clear, sunny and warm approaching hot. Rice looks good and the weeds are dying. No noticeable change in water level. There was a good size grass fire on either side of Brenan Island road just after the t
Twitchell Rice (167) 2010-06-16 10:00:00 Joe Verfaillie Twitchell 6-16-2010 Arrived about 10am with Jaclyn. The field is flooded about 15cm deep. Warm, clear, sunny, wind from the NNW. Jim says they will spray the field by crop duster with pellets to prevent/kill mosquitoes. Jaclyn said she saw lots of
Twitchell Rice (154) 2010-06-03 10:00:00 Joe Verfaillie Twitchell 6/3/2010 Arrived about 10am with Jaclyn and Marga. Cool, mostly sunny, high thin clouds. Nice wind from the west. The rice field is knee high in weeds and they will get sprayed with herbicide today and fertilizer to follow. Maybe start f
Twitchell Rice (148) 2010-05-28 12:30:00 Joe Verfaillie Twitchell 5/28/2010 Arrived about noontime PDT. Clear, warm, light wind from the north. The field looks green but mostly broad leaf weeds. Jim says next week the field will get herbicide and maybe fertilizer. Flooding probably starts the following
Twitchell Rice (140) 2010-05-20 08:00:00 Joe Verfaillie Twitchell 5/20/2010 Arrived about 8am. Mostly clear with a few thin, high clouds, sunny, cool warming quickly. Wind out of the west swinging to the north. Rice is about 8-10cm tall, lots of weeds in the field. The field is not flooded yet. Sheep
Twitchell Rice (134) 2010-05-14 10:30:00 Joe Verfaillie Twitchell 5/14/2010 Arrived about 10:30, warm, high thin cirrus clouds, light wind from west. Still a couple weeks from flooding rice. Rice will get herbicide and fertilizer before flooding. Determined that the air conditioner and pump would not
Twitchell Rice (133) 2010-05-13 08:00:00 Joe Verfaillie Sign generator down, Air conditioner compressor not starting, Coming back tomorrow to fix things.
Twitchell Rice (131) 2010-05-11 09:30:00 Joe Verfaillie Removed set of three solar panel, tower power out, adjusted bypass valve, properly put LI7700 power cords.
Twitchell Rice (125) 2010-05-05 09:20:00 Joe Verfaillie Twitchell 5/5/2010 Arrived with Dennis and Jaclyn about 9:20am. Cool with good west wind, clear sunny and warming. Rice is beginning to sprout in Field 1. Met Luikang and Chris from Licor as well as Frank and Bryan from USGS. Licor brought a l
Twitchell Rice (119) 2010-04-29 11:30:00 Joe Verfaillie Adjusted bypass valve, connect and download a driver, soil sampling (2 profiles to 65cm depth)
Twitchell Rice (112) 2010-04-22 09:00:00 Joe Verfaillie Put all soil sensors back in ground, power was out, LGR would not line lock when power was restored.
Twitchell Rice (105) 2010-04-15 12:00:00 Joe Verfaillie Twitchell 4/15/2010 Arrived 12 noon. Warm, clear, wind from north. Tractor with planter parked near the tower. Big tractor with raking apparatus started to drag the field before I left. Everything looked okay. LGR: 11:57, 27.94C, 145.30Torr,
Twitchell Rice (98) 2010-04-08 13:30:00 Joe Verfaillie Might plant rice next week.
Twitchell Rice (77) 2010-03-18 09:30:00 Joe Verfaillie Ground sensors out of ground, accidentally left AC off, Jaclyn took soil samples.
Twitchell Rice (70) 2010-03-11 10:00:00 Joe Verfaillie Power gone out overnight, Have tractors in field next week, Added ZapSnap utility.
Twitchell Rice (63) 2010-03-04 10:00:00 Joe Verfaillie Big generator won't be running more than few hours a day, Web cam not collecting images, Verizon not working again.
Twitchell Rice (49) 2010-02-18 10:00:00 Joe Verfaillie Water visible in well, Don't agree with values of cal tank, Need to check in lab, HMP45 reporting bad data.
Twitchell Rice (28) 2010-01-28 07:00:00 Joe Verfaillie Installed new Verizon software.
Twitchell Rice (14) 2010-01-14 10:00:00 Joe Verfaillie Verizon modem replugged.