Equipment and Calibration
Equipment history at Twitchell Alfalfa| ALL | | Anemometer || Battery Bank || Camera || CO2 Probe || Data Logger || Forced Diffusion || Gas Analyzer || Heat Flux Plate || Interface || LED sensor || Multiplexer || Narrow Band || Net Radiometer || PAR Sensor || Precipitation || RH & Temp || Soil Moisture Probe || Solar Controller || Solar Panel || Weather Station |
SELECT a.recno, a.eh_date, a.eh_loc1, a.eh_loc2, IF(a.eh_loc2=:loc, a.eh_locref2, a.eh_locref1) AS ref, a.eh_locref2, a.eh_title, a.eh_notes, a.eh_id, b.serialno, b.equip, b.modelno FROM equiphist a INNER JOIN equiplist b ON a.eh_id=b.recno WHERE (a.eh_loc1=:loc1 OR a.eh_loc2=:loc2) AND b.equip=:eq ORDER BY b.serialno, a.eh_date
| Date | Serial No. | Model | Action | Ref | Notes |
|---|---|---|---|---|---|
| CO2 Probe | |||||
| 2014-08-13 | F4960018 | GMT221 | Installed | Installed near the radiometers at Alfalfa in Set B to the north at -8cm | |
| 2014-08-27 | F4960018 | GMT221 | Removed | Removed from profile B at 8cm due to reading zero. Replaced by sn K1340006. | |
| 2014-09-08 | F4960018 | GMT221 | Installed | Installed in Alfalfa Set B -8cm to replace sn K1340006 | |
| 2015-06-09 | F4960018 | GMT221 | Removed | Removed from Set B at -8cm with upgrade of soil CO2 system | |
| 2016-02-11 | F4960018 | GMT221 | Installed | Installed at Alfalfa Profile A at 8cm. The existing probe sn Y0710013 was removed due to low readings. | |
| 2017-07-12 | F4960018 | GMT221 | Removed | Removed from Twitchell Alfalfa because it was reading 0. It was in set A, 8 cm (the second depth). | |
| 2014-08-13 | F4960019 | GMT221 | Installed | Installed near the radiometers at Alfalfa in Set B to the north at -2cm | |
| 2014-08-27 | F4960019 | GMT221 | Removed | Removed from profile B at 2cm due to reading zero. Replaced by sn Y2009100. | |
| 2014-08-13 | G0150037 | GMT221 | Installed | Installed near the radiometers at Alfalfa in Set A to the south at -16cm | |
| 2015-06-09 | G0150037 | GMT221 | Removed | Removed from Set A at -16cm with upgrade of soil CO2 system | |
| 2014-10-30 | GP2013ex02 | GP-001ex | Installed | Installed at -16cm at Alfalfa | |
| 2018-03-07 | GP2013ex02 | GP-001ex | Removed | Removed from the -16cm location at Twitchell Alfalfa because the readings have been funky for a while. Probably will be replaced at a later date. | |
| 2014-10-30 | GP2013ex03 | GP-001ex | Installed | Installed at -8cm at Alfalfa | |
| 2015-08-19 | GP2013ex03 | GP-001ex | Removed | Removed from the 8cm level at Twitchell Alfalfa due to drop outs in the data. Replaced by sn GP20140026 | |
| 2014-10-30 | GP20140009 | GP-001 | Installed | Installed at -2cm at Alfalfa | |
| 2015-09-30 | GP20140009 | GP-001 | Removed | This 2% probe was removed from the 2cm location at Alfalfa due to | |
| 2015-09-30 | GP20140023 | GP-001 | Installed | This 2%(2.4% analog) probe was installed at the 2cm location to replace sn GP20140009. | |
| 2016-04-28 | GP20140023 | GP-001 | Removed | Probe was reading really high numbers. Brought back to lab for repairs. Replaced with sn 20140084 | |
| 2015-08-19 | GP20140026 | GP-001 | Installed | Installed at the 8cm level at Twitchell Alfalfa to replace sn GP2015ex03 that was dropping out. | |
| 2018-03-07 | GP20140026 | GP-001 | Removed | Removed from the -8cm location at Twitchell Alfalfa because the readings have been funky for a while. Probably will be replaced at a later date. | |
| 2016-04-28 | GP20140084 | GP-001 | Installed | Replaced probe sn GP20140023 at 2cm depth since that was reading too high. | |
| 2018-03-07 | GP20140084 | GP-001 | Removed | Removed from the -2cm location at Twitchell Alfalfa because the readings have been funky for a while. Probably will be replaced at a later date. | |
| 2014-08-13 | H1630066 | GMP222 | Installed | Installed near the radiometers at Alfalfa in the forced diffusion soil cell | |
| 2015-06-09 | H1630066 | GMP222 | Removed | Removed from forced diffusion soil cell with upgrade of soil CO2 system | |
| 2014-08-13 | K1340005 | GMP221 | Installed | Installed near the radiometers at Alfalfa in Set A to the south at -2cm | |
| 2015-06-09 | K1340005 | GMP221 | Removed | Removed from Set A at -2cm with upgrade of soil CO2 system | |
| 2018-06-13 | K1340005 | GMP221 | Removed | Removed with Twitchell Alfalfa site decommissioning. | |
| 2014-08-27 | K1340006 | GMP221 | Installed | Installed in profile B at 8cm to replace sn F4960018 due to zero reading. | |
| 2014-09-08 | K1340006 | GMP221 | Removed | Removed from Alfalfa Set B -8cm because of low readings. Replaced by F4960018 | |
| 2014-08-13 | K1340007 | GMP221 | Installed | Installed near the radiometers at Alfalfa in Set A to the south at -8cm | |
| 2015-06-09 | K1340007 | GMP221 | Removed | Removed from Set A at -8cm with upgrade of soil CO2 system | |
| 2015-06-09 | L2030063 | GMM222 | Installed | Installed in the forced diffusion ambient cell with upgrade of soil CO2 system | |
| 2016-01-12 | L2030063 | GMM222 | Removed | Removed from Twitchell Alfalfa with the FD chamber due to torn membranes. | |
| 2015-06-09 | L2030064 | GMM222 | Installed | Installed in the forced diffusion soil cell with upgrade of soil CO2 system | |
| 2016-01-12 | L2030064 | GMM222 | Removed | Removed from Twitchell Alfalfa with the FD chamber due to torn membranes. | |
| 2015-06-09 | L2058001 | GMM221 | Installed | Installed in Set B at -16cm with upgrade of soil CO2 system | |
| 2018-06-13 | L2058001 | GMM221 | Removed | Removed with Twitchell Alfalfa site decommissioning. | |
| 2015-06-09 | L2058002 | GMM221 | Installed | Installed in Set A at -2cm with upgrade of soil CO2 system | |
| 2018-06-13 | L2058002 | GMM221 | Removed | Removed with Twitchell Alfalfa site decommissioning. | |
| 2015-06-09 | L2058003 | GMP221 | Installed | Installed in Set A at -*cm with upgrade of soil CO2 system | |
| 2016-01-21 | L2058003 | GMP221 | Removed | Removed from Alfalfa set A at 8cm due to maxed out readings. | |
| 2015-06-09 | L2058005 | GMP221 | Installed | Installed in Set B at -2cm with upgrade of soil CO2 system | |
| 2018-06-13 | L2058005 | GMP221 | Removed | Removed with Twitchell Alfalfa site decommissioning. | |
| 2015-06-09 | L2058006 | GMP221 | Installed | Installed in Set A at -16cm with upgrade of soil CO2 system | |
| 2018-06-13 | L2058006 | GMP221 | Removed | Removed with Twitchell Alfalfa site decommissioning. | |
| 2015-06-09 | L2058007 | GMP221 | Installed | Installed in Set B at -8cm with upgrade of soil CO2 system | |
| 2018-06-13 | L2058007 | GMP221 | Removed | Removed with Twitchell Alfalfa site decommissioning. | |
| 2014-08-13 | Y0710013 | GMP221 | Installed | Installed near the radiometers at Alfalfa in Set B to the north at -16cm | |
| 2015-06-09 | Y0710013 | GMP221 | Removed | Removed from Set B at -16cm with upgrade of soil CO2 system | |
| 2016-02-11 | Y0710013 | GMP221 | Removed | Removed from Alfalfa Profile A at 8cm due to low readings. Replaced by sn F4960018 | |
| 2014-08-27 | Y2009100 | GMP221 | Installed | Installed in profile B at 2cm to replace sn F4960019 due to zero reading. | |
| 2015-06-09 | Y2009100 | GMP221 | Removed | Removed from Set B at -2cm with upgrade of soil CO2 system | |
| 2014-08-13 | Z2720011 | GMP222 | Installed | Installed near the radiometers at Alfalfa in forced diffusion ambient cell | |
| 2014-08-27 | Z2720011 | GMP222 | Removed | Removed from Forced Diffusion probe 1 because it was reading zero. Replaced by sn Z2720014 | |
| 2014-10-09 | Z2720011 | GMP222 | Installed | Installed in the FD ambient chamber to replace sn Z2720014 that had high readings. | |
| 2015-06-09 | Z2720011 | GMP222 | Removed | Removed from forced diffusion ambient cell with upgrade of soil CO2 system | |
| 2014-08-27 | Z2720014 | GMP222 | Installed | Installed in Forced Diffusion probe 1 to replace sn Z2720011 due to zero reading | |
| 2014-10-09 | Z2720014 | GMP222 | Removed | Removed from the FD ambient chamber due to high readings. Replaced by sn Z2720011. | |