Equipment and Calibration History

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Ser No.DateLoc FromTitleLoc ToNotes
LI-7500A 1594 2023-01-27 Lab none Tested Lab none Ran in the lab on the bench for 2 days and used eddypro to calculate the 30-min concentrations. CO2 and H2O data seemed reasonable: CO2 ranged from 420 to 510ppm and H2O ranged from 250 to 450 mmol/m3. Not sure why this sensor wasn't working in the field.
SRS-Ni NDVI 2046503354 2023-01-25 Lab none Tested Disposed none Removed the spliced cable and tested in the lab. Still no response on the terminal emulator. This sensor is probably dead. It's weird that both incoming and outgoing sensors went bad at the the same time. Both sensors had spliced cables and were connected to the same C port and the same pluggable power block. One of the spliced wires for data (red) had a few cracks in the plastic sheath; maybe it shorted against the bare G wire and killed both sensors.
SRS-Ni NDVI 2046503376 2023-01-25 Lab none Tested Disposed none Removed the spliced cable and tested in the lab. Still no response on the terminal emulator. This sensor is probably dead. It's weird that both incoming and outgoing sensors went bad at the the same time. Both sensors had spliced cables and were connected to the same C port and the same pluggable power block. One of the spliced wires for data (red) had a few cracks in the plastic sheath; maybe it shorted against the bare G wire and killed both sensors.
LI-7500A 1594 2023-01-25 Lab Calibration Lab Last calibration: 2022-11-28
AGC=99 SDM= DAC1= DAC2=
Ambient P=101.5kPa, Tair=23.4C, Tdew=2.53C
Zero Air at 1450psi, AMP CA04119 524.77 at 1250 Tdewspan=16.00
CO2 zero 0.8643 -> .8656 Offset: 5.31ppm
CO2 span 1.0168 -> 1.0205 Offset: -2.43ppm
H2O zero 0.8889 -> .8869 Offset: -10.6ppm
H2O span 1.0136 -> 1.0127 Offset: .02ppm
Notes: This sensor was not working at BC, but it worked in the lab and the calibration seems within normal range. I'll run it for a few days in the lab to see if it's stable.
RPI0W RPI0W-006 2023-01-18 Lab none Installed West Pond none Installed at West Pond for an intercomparison with the Canon camera. Temporarily ziptied to the bottom of the Canon enclosure arm. Facing west, same direction as the Canon camera.
LI-7500A 75H-2667 2023-01-19 Lab none Installed Gilbert Tract Gas Analyzer CO2/H2O Installed at Gilbert Tract to replace sn 75H-2418 for calibration.
LI-7500A 75H-2418 2023-01-19 Gilbert Tract Gas Analyzer CO2/H2O Removed Lab none Removed from Gilbert Tract for calibration. Replaced by sn 75H-2667.
LI-7500A 0035 2023-01-18 Lab none Installed Mayberry Gas Analyzer CO2/H2O Installed at Mayberry to replace sn 75H-2514 for calibration.
LI-7500A 75H-2514 2023-01-18 Mayberry Gas Analyzer CO2/H2O Removed Lab none Removed from Mayberry for calibration. Replaced by sn 0035.
SRS-Ni NDVI 2046503376 2023-01-18 Mayberry Narrow Band NDVI Incoming Removed Lab none Removed from MB for testing in the lab. It was not responding on the terminal emulator.
SRS-Ni NDVI 2046503354 2023-01-18 Mayberry Narrow Band NDVI Reflected Removed Lab none Removed from MB for testing in the lab. It was not responding on the terminal emulator.
LI-7700 TG1-0223 2023-01-18 Mayberry Calibration Mayberry Calibration Location: Mayberry
Last calibration: 2022-06-07
RSSI=84%, Optical RH=15%
Ambient P=101.9kPa, Tair=9.9C
Zero Air at 1500psi, AMP CA04396 1.9317 at 1350
CH4 Zero Offset: .011ppm
CH4 Span Offset: .0093ppm
Notes: Did not flush headspace or change desiccant afterwards
LI-7700 TG1-0424 2023-01-19 Gilbert Tract Calibration Gilbert Tract Calibration Location: Gilbert Tract
Last calibration: 2022-06-09
RSSI=86%, Optical RH=23%
Ambient P=102.3kPa, Tair=8.0C
Zero Air at 1350psi, AMP CA04396 1.9317 at 1250
CH4 Zero Offset: .001ppm
CH4 Span Offset: .0017ppm
Notes: I wanted to flush the headspace with zero air, but the tubing did not quite reach. I swapped the desiccant.
LI-7700 TG1-0423 2023-01-18 East End Calibration East End Calibration Location: East End
Last calibration: 2022-06-09
RSSI=77%, Optical RH=21%
Ambient P=101.9kPa, Tair=12.6C
Zero Air at 1450psi, AMP CA04396 1.9317 at 1200
CH4 Zero Offset: .025ppm
CH4 Span Offset: .0023ppm
Notes: After calibration, changed desiccant and flushed headspace with zero air until optics RH=14%.
LI-7700 TG1-0155 2023-01-18 West Pond Calibration West Pond Calibration Location: West Pond
Last calibration: 2022-06-09
RSSI=81%, Optical RH=10%
Ambient P=101.9kPa, Tair=12.3C
Zero Air at 1500psi, AMP CA04396 1.9317 at 1125
CH4 Zero Offset: .008ppm
CH4 Span Offset: .0103ppm
Notes: Since optics RH = 10%, I did not change desiccant or flush headspace after calibration.
LI-7500A 75H-2667 2023-01-13 Lab Calibration Lab Last calibration: 2022-09-15
AGC=102 SDM= DAC1= DAC2=
Ambient P=100.3kPa, Tair=20.6C, Tdew=12.3C
Zero Air at 1600psi, AMP CA04119 524.77 at 1275 Tdewspan=16.00
CO2 zero 0.9413 -> .9418 Offset: 1.72ppm
CO2 span 1.0204 -> 1.0233 Offset: -1.91ppm
H2O zero 0.8407 -> .8421 Offset: 8.4ppm
H2O span 1.0338 -> 1.0314 Offset: .05ppm
Notes: Set span dew point to 16.00C because the usual 20.00C > room's dew point temp.
LI-7500A 0035 2023-01-13 Lab Calibration Lab Last calibration: 2022-08-25
AGC=99.4 SDM= DAC1= DAC2=
Ambient P=100.4kPa, Tair=18.8C, Tdew=11.5C
Zero Air at 1625psi, AMP CA04119 524.77 at 1275 Tdewspan=16.00
CO2 zero 0.9374 -> .9374 Offset: .2ppm
CO2 span 1.0234 -> 1.0295 Offset: -3.97ppm
H2O zero 0.8995 -> .9003 Offset: 4.9ppm
H2O span 1.0334 -> 1.0369 Offset: -.06ppm
Notes: Setting the CO2 span to 524.77ppm seemed to force the value to ~524.85 instead of 524.77. I think it's ok for now but something to keep an eye on. H2O value was not stabilizing when dewpt generator was set to 20.00C, probably because the room's dewpt<20.00C. I set the span point to 16.00C instead, which worked well.
LI-7500A 75H-2667 2022-09-15 Lab Calibration Lab Last calibration: 2022-03-02
AGC=100.4 SDM= DAC1= DAC2=
Ambient P=100.5kPa, Tair=20.6C, Tdew=13.4C
Zero Air at 1875psi, AMP CA04119 524.77 at 1350 Tdewspan=20.00
CO2 zero 0.9412 -> .9413 Offset: .3ppm
CO2 span 1.0171 -> 1.0204 Offset: -2.27ppm
H2O zero 0.841 -> .8407 Offset: -1.7ppm
H2O span 1.018 -> 1.0338 Offset: .01ppm
Notes: Calibrated with AMP 7550 sn AIU-1039. At first, large H2O span offset (-0.32) than usual. The condenser water tube in the back was low on water. I opened the cap to let water level rise again. Afterwards, H2O span was right on (offset 0.01).
RPI0W RPI0W-003 2023-01-04 Lab none Tested Lab none Plugged in in the lab but the picam could not boot all the way. The microSD card is probably busted from flickering power at the end of December. Joe put in a new microSD card and loaded the fwb code (r=1.8, b=1.8). We had some trouble getting the RTC recognized by the picam, but in the end it worked with a brand-new RTC and brand-new coin cell battery. Ran overnight in the lab and it seems fine.
RPI0W RPI0W-003 2023-01-06 Lab none Installed Mayberry Camera Redeployed at Mayberry on the same spot, attached to the wooden post on the southeast corner of the scaffolding.
LI-7500A 75H-2669 2023-01-06 Lab none Installed East End Gas Analyzer CO2/H2O Installed at East End to replace sn 75H-2667 for calibration.
LI-7500A 75H-2667 2023-01-06 East End Gas Analyzer CO2/H2O Removed Lab none Removed from East End for calibration. Replaced by sn 75H-2669.
LI-7500A 0065 2023-01-06 Lab none Installed West Pond Gas Analyzer CO2/H2O Installed at West Pond to replace sn 0035 for calibration.
LI-7500A 0035 2023-01-06 West Pond Gas Analyzer CO2/H2O Removed Lab none Removed from West Pond for calibration. Replaced by sn 0065.
LI-7500A 0041 2023-01-06 Lab none Installed Bouldin Corn Gas Analyzer CO2/H2O Installed at Bouldin Corn to replace sn 1594 because sn 1594 was not giving any data.
LI-7500A 1594 2023-01-06 Bouldin Corn Gas Analyzer CO2/H2O Removed Lab none Removed from Bouldin Corn because no CO2/H2O data since mid December. Replaced by sn 0041.
EXO2 22C103416 2023-01-06 Lab none Installed Hill Slough Water Level Installed in the channel at Hill Slough (same height as before) after calibrating in the lab yesterday. Installed without batteries in the sonde.
EXO pH-ORP 22D102641 2023-01-06 Lab none Installed Hill Slough pH-ORP Installed in the channel at Hill Slough (same height as before) after calibrating in the lab yesterday.
EXO fDOM 22E100649 2023-01-06 Lab none Installed Hill Slough fDOM Installed in the channel at Hill Slough (same height as before) after calibrating in the lab yesterday.
EXO Turbidity 22E106072 2023-01-06 Lab none Installed Hill Slough Turbidity Installed in the channel at Hill Slough (same height as before) after calibrating in the lab yesterday.
RPI0W RPI0W-003 2023-01-03 Mayberry Camera Removed Lab none Removed from the Mayberry tower because its web server was not booting. Brought back to the lab for further testing.
EXO2 22C103416 2023-01-03 Hill Slough Removed Lab none Removed from Hill Slough channel and brought back to the lab for calibration.
EXO pH-ORP 22D102641 2023-01-03 Hill Slough pH-ORP Removed Lab none Removed from Hill Slough channel and brought back to the lab for calibration.
EXO fDOM 22E100649 2023-01-03 Hill Slough fDOM Removed Lab none Removed from Hill Slough channel and brought back to the lab for calibration.
EXO Turbidity 22E106072 2023-01-03 Hill Slough Turbidity Removed Lab none Removed from Hill Slough channel and brought back to the lab for calibration.
eosFD FD20180067 2023-01-10 Lab none Tested Lab none Tested in the lab and it turned on once we plugged in the power with its original cable, hallelujah. Data started being weird (spiky and/or 0) in mid-December when the field started flooding. However, during the performance check the CO2 concentrations were consistently all over the place, even after trying to reset it. This chamber probably needs to go back to the factory.
eosFD FD20180067 2023-01-03 Bouldin Corn Forced Diffusion C Removed Lab none Removed from BC and brought the chamber and cable back to the lab for testing. We found it floating in the water underneath the tower. The cable connector was underwater.
LI-7550 AIU-1039 2023-01-03 none Installed Gilbert Tract Interface LI-7550 Installed at Gilbert Tract to replace sn AIU-1569, which had some corrosion inside and was acting funny.
LI-7550 AIU-1569 2023-01-03 Gilbert Tract Interface LI-7550 Removed Lab none Removed from Gilbert Tract because it was acting funny (took a long time to eject/mount USB, consistent 7700 time sync error) and there was some corrosion inside from being left open last month. it was replaced with AMP box AIU-1039.
GMP343 N2220008 2023-01-06 Tonzi CO2 Probe Tower Profile 23 Removed Lab none Removed from the top of the tower. This sensor has not been working for a while. I don't see any issues - brought in for testing.
LI-7500A 75H-2669 2023-01-04 Lab Calibration Lab Last calibration: 2022-08-23
AGC=101.1 SDM=0 DAC1=- DAC2=-
Ambient P=99.5kPa, Tair=17.6C, Tdew=8.8C
Zero Air at 1650psi, AMP CA04119 524.77 at 1250 Tdewspan=15.0
CO2 zero 0.9188 -> 0.9187 Offset: -0.3ppm
CO2 span 1.0083 -> 1.0187 Offset: -7.17ppm
H2O zero 0.904 -> 0.9029 Offset: -7.1ppm
H2O span 1.0174 -> 1.0330 Offset: -0.31ppm
Notes: Largish offset in CO2 span.
LI-7500A 0065 2023-01-04 Lab Calibration Lab Last calibration: 2022-09-12
AGC=101.1 SDM=0 DAC1=- DAC2=-
Ambient P=99.5kPa, Tair=18.1C, Tdew=10.7C
Zero Air at 1650psi, AMP CA04119 524.77 at 1250 Tdewspan=15.0
CO2 zero 0.8918 -> 0.8915 Offset: -1.5ppm
CO2 span 1.0227 -> 1.0227 Offset: 0.03ppm
H2O zero 0.7316 -> 0.7323 Offset: 5.1ppm
H2O span 1.0167 -> 1.0226 Offset: -0.12ppm
Notes:
LI-7500A 0041 2023-01-05 Lab Calibration Lab Last calibration: 2022-11-28
AGC=100.7 SDM=0 DAC1=- DAC2=-
Ambient P=100.1kPa, Tair=17.4C, Tdew=10.1C
Zero Air at 1600psi, AMP CA04119 524.77 at 1250 Tdewspan=15.0
CO2 zero 0.9968 -> 0.9961 Offset: -2.3ppm
CO2 span 1.0199 -> 1.0234 Offset: -2.37ppm
H2O zero 0.8221 -> 0.8232 Offset: 6.5ppm
H2O span 1.0304 -> 1.0382 Offset: -0.15ppm
Notes:
LI-7500A 0418 2022-12-21 Lab none Installed Tonzi-Tower Gas Analyzer CO2/H2O Installed at Tonzi to replace sn 75H-2669 for calibration.
LI-7500A 75H-2669 2022-12-21 Tonzi-Tower Gas Analyzer CO2/H2O Removed Lab none Removed from Tonzi-Tower for calibration. Replaced by sn 0418.
LI-7500RS 75H-0128 2021-09-20 Factory none Calibration Factory none Last calibration:
AGC= SDM= DAC1= DAC2=
Ambient P=kPa, Tair=C, Tdew=C
at psi, 750 at Tdewspan=12
CO2 zero -> 1.1626 Offset: ppm
CO2 span -> 1.0087 Offset: ppm
H2O zero -> 1.0599 Offset: ppm
H2O span -> 1.0374 Offset: ppm
Notes: Full calibration values on yellow slips
LI-7500A 0418 2022-12-19 Lab Calibration Lab Last calibration: 2022-09-12
AGC=97.6 SDM=0 DAC1=- DAC2=-
Ambient P=101.4kPa, Tair=19.05C, Tdew=3.36C
Zero Air at 1650psi, AMP CA04119 524.77 at 1300 Tdewspan=16.00
CO2 zero 0.9086 -> 0.9070 Offset: -6.3ppm
CO2 span 1.005 -> 1.0059 Offset: -0.57ppm
H2O zero 0.9317 -> 0.9330 Offset: 6.5ppm
H2O span 1.0065 -> 1.0067 Offset: -0.01ppm
Notes: We have been watching this one as its SS seemed to drift after overhaul at Licor in the spring. The zero offsets are a little high than is common but otherwise seems okay.
LI-7500RS 75H-0128 2022-11-15 Lab Calibration Lab Last calibration: 2021-09-21
AGC=102 SDM=0 DAC1=- DAC2=-
Ambient P=101.1kPa, Tair=23.3C, Tdew=0.53C
Zero Air at 1800psi, AMP CA04119 524.77 at 1350 Tdewspan=20.00
CO2 zero 1.1643 -> 1.1626 Offset: -3.68ppm
CO2 span 0.9978 -> 1.0087 Offset: -7.23ppm
H2O zero 1.0603 -> 1.0599 Offset: -2.2ppm
H2O span 1.0172 -> 1.0374 Offset: -0.44ppm
Notes: Calibrated on box sn AIU-2312. This pair is kept together because they are an RS model and belong to AMP.
LI-7500A 75H-2180 2022-12-06 Lab none Installed Tonzi-Floor Gas Analyzer CO2/H2O Installed at Tonzi Floor to replace sn 0418 for calibration.
LI-7500A 0418 2022-12-06 Tonzi-Floor Gas Analyzer CO2/H2O Removed Lab none Removed from Tonzi Floor for calibration. Replaced by sn 75H-2180.
LI-7500A 75H-2176 2022-12-06 Lab none Installed Vaira Gas Analyzer CO2/H2O Installed at Vaira to replace sn 0065 for calibration.
LI-7500A 0065 2022-12-06 Vaira Gas Analyzer CO2/H2O Removed Lab none Removed from Vaira for calibration. Replaced by sn 75H-2176.
LI-7700 TG1-0223 2022-12-13 Mayberry Gas Analyzer CH4 Maintenance Mayberry Gas Analyzer CH4 The humidity reading was 31%. I swapped the desiccant bottle refilling it with silica gel desiccant. The humidity didn't change and hopefully will go down. Swap with regular dri-rite at calibration next time.
Mark I A001911 2022-12-13 Gilbert Tract Weather Station Removed Lab none Removed from the GT tower. This unit has not be sending reliable data for a long time and Arable no longer supports this model. To be disposed of.
LI-7500A 75H-2180 2022-12-05 Lab Calibration Lab Last calibration: 2022-08-30
AGC=101.0 SDM=0 DAC1=- DAC2=-
Ambient P=100.6kPa, Tair=21.3C, Tdew=9.2C
Zero Air at 1700psi, AMP CA04119 524.77 at 1300 Tdewspan=16.0
CO2 zero 0.9148 -> 0.9145 Offset: -1.53ppm
CO2 span 1.0318 -> 1.0433 Offset: -7.27ppm
H2O zero 0.8916 -> 0.8933 Offset: 10.7ppm
H2O span 1.0122 -> 1.0381 Offset: -0.53ppm
Notes: Large offset in CO2 span but also large offset when removed from tower and similar offset in sn 2176 CO2 span calibrated at the same time. Used our 7550 box 0674 instead on the AMP loaner used previously. I think this IRGA is okay.
LI-7500A 0042 2022-11-29 Lab Calibration Lab Last calibration: 2022-11-15
AGC=99.3 SDM= DAC1= DAC2=
Ambient P=99.3kPa, Tair=22.8C, Tdew=2.02C
Zero Air at 1750psi, AMP CA 04119 524.77 at 1325 Tdewspan=16.00
CO2 zero 0.9481 -> .9478 Offset: -.94ppm
CO2 span 1.0127 -> 1.0145 Offset: -1.15ppm
H2O zero 0.847 -> .8472 Offset: 1.3ppm
H2O span 1.0292 -> 1.0267 Offset: .05ppm
Notes: Typed in "15.99" for 16.00C span point. Seemed to be more accurate than typing in "16.00" for 16.00C span point.
LI-7500A 75H-2176 2022-12-05 Lab Calibration Lab Last calibration: 2022-08-23
AGC=101.0 SDM=0 DAC1=- DAC2=-
Ambient P=100.6kPa, Tair=20.5C, Tdew=9.85C
Zero Air at 1700psi, AMP CA04119 524.77 at 1325 Tdewspan=16.00
CO2 zero 0.8678 -> 0.8678 Offset: 0.0ppm
CO2 span 1.0008 -> 1.0144 Offset: -9.57ppm
H2O zero 0.8537 -> 0.8553 Offset: 9.8ppm
H2O span 0.923 -> 0.9281 Offset: -0.12ppm
Notes: Large offset in CO2 span. But this largely undoes some similar previous increases. Calibrated at the same time sn 2180 showed a similar CO2 span offset. This calibration was using 7550 box 0674 instead of the AMP loaner but I don't see how that should effect only CO2 span. Going to go with it.
LI-7500A 0041 2022-11-28 Lab Calibration Lab Last calibration: 2022-11-15
AGC=107 SDM= DAC1= DAC2=
Ambient P=100.5kPa, Tair=22.4C, Tdew=2.2C
Zero Air at 1750psi, AMP CA04119 524.77 at 1300 Tdewspan=16.00
CO2 zero 0.9998 -> .9968 Offset: -9.82ppm
CO2 span 1.0178 -> 1.0199 Offset: -1.37ppm
H2O zero 0.8213 -> .8221 Offset: 4.8ppm
H2O span 1.0308 -> 1.0304 Offset: 0.00ppm
Notes: SS rest from 107 to 100 after calibration. Today's calibration was with our usual box sn AIU-0674. The previous calibration was on a AMP box sn AIU-1039 and I had reset the SS from 93 to 100. Probably some difference in box coefficients that I didn't pay attention to, but the SS should be ok now.
LI-7500A 1594 2022-11-28 Lab Calibration Lab Last calibration: 2022-04-08
AGC=98.3 SDM= DAC1= DAC2=
Ambient P=100.3kPa, Tair=20.9C, Tdew=4.05C
Zero Air at 1800psi, AMP CA04119 524.77 at 1350 Tdewspan=16.00
CO2 zero 0.8643 -> .8643 Offset: -.38ppm
CO2 span 1.0097 -> 1.0168 Offset: -4.93ppm
H2O zero 0.8891 -> .8889 Offset: -1.1ppm
H2O span 1.0106 -> 1.0136 Offset: -.06ppm
Notes: Set H2O span on 2022-11-29 using 16.00C. Ambient T=22.4 and Dew Point = 0.77C.
BB-Fab BB-BA-bncr 2022-11-02 Bouldin Alfalfa-ADEX Battery Bank Bouncer Removed Lab none Removed with decommissioning of advection bouncer tower and brought back to the lab. This battery bank will cease to exist and these new-ish batteries will be moved to Hill Slough to replace old batteries there.
BB-Fab BB-BA-edge 2022-11-02 Bouldin Alfalfa-ADEX Battery Bank Edge Removed Lab none Removed with decommissioning of advection edge tower and brought back to the lab. This battery bank will cease to exist and these new-ish batteries will be moved to Hill Slough to replace old batteries there.
BB-Fab BB-BA-edge 2022-04-25 Lab none Installed Bouldin Alfalfa-ADEX Battery Bank Edge Two brand-new deep cycle flooded batteries installed to power the advection edge tower
BB-Fab BB-BA-bncr 2022-04-25 Lab none Installed Bouldin Alfalfa-ADEX Battery Bank Bouncer Two brand-new deep cycle flooded batteries installed to power the advection bouncer tower
BB-Fab BB-HS 2022-07-13 Hill Slough Battery Bank Maintenance Hill Slough Battery Bank We’ve been losing data overnight since mid-June, which is suspicious because the days are long and sunny. 2 batteries tested bad, 2 tested good, and 1 tested good but closer to weak. I removed the bad batteries from the system and wired up the 3 good ones. The good ones all needed water, about 3-4L each. We refilled them with DI water. I cleaned and sprayed all of the terminals.
BB-Fab BB-HS 2022-11-30 Hill Slough Battery Bank Maintenance Hill Slough Battery Bank Removed 3 older, flooded deep cycle batteries. Added 4 new-ish Duracell flooded, deep cycle batteries with 04/22 tags. We purchased these batteries to run the BA advection experiment April-Oct 2022.
HygroVUE10 E3514 2022-11-30 Bouldin Alfalfa-ADEX RH & Temp Main Lower Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
HygroVUE10 E3452 2022-11-30 Bouldin Alfalfa-ADEX RH & Temp Main Upper Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
HMP155 T2930114 2022-11-30 Bouldin Alfalfa-ADEX RH & Temp Bouncer Lower Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
HMP45AC D4420028 2022-11-30 Bouldin Alfalfa-ADEX RH & Temp Edge Upper Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
HMP45AC D4420029 2022-11-30 Bouldin Alfalfa-ADEX RH & Temp Bouncer Upper Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
HMP45AC T1020004 2022-11-30 Bouldin Alfalfa-ADEX RH & Temp Edge Lower Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
WM 1590 152608 2022-11-30 Bouldin Alfalfa-ADEX Anemometer Main Lower Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
WM 1590 152605 2022-11-30 Bouldin Alfalfa-ADEX Anemometer Main Upper Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
WM 1590 152601 2022-11-30 Bouldin Alfalfa-ADEX Anemometer Edge Upper Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
WM 1590 152606 2022-11-30 Bouldin Alfalfa-ADEX Anemometer Bouncer Upper Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
WM 1590 153804 2022-11-30 Bouldin Alfalfa-ADEX Anemometer Bouncer Lower Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
WM 1590 152603 2022-11-30 Bouldin Alfalfa-ADEX Anemometer Edge Lower Removed Lab none Removed from the main tower and brought back to the lab at the end of the ADEX intercomparison
LI-7500A 0042 2022-11-30 Lab none Installed Hill Slough Gas Analyzer CO2/H2O Installed at Hill Slough to replace sn 75H-2176 for calibration.
LI-7500A 75H-2176 2022-11-30 Hill Slough Gas Analyzer CO2/H2O Removed Lab none Removed from Hill Slough for calibration. Replaced by sn 0042.
Mark II C003251 2022-11-30 Bouldin Corn Weather Station C Removed Lab none Removed and brought back to the lab because we don't need 3 Arable units on one tower. We added a Mark 3 last visit and there is a second Mark II on the tower.
LI-7500A 1594 2022-11-30 Lab none Installed Bouldin Corn Gas Analyzer CO2/H2O Installed at Bouldin Corn to replace sn 75H-2180 for calibration.
LI-7500A 75H-2180 2022-11-30 Bouldin Corn Gas Analyzer CO2/H2O Removed Lab none Removed from Bouldin Corn for calibration. Replaced by sn 1594.
LI-7700 TG1-0211 2022-11-30 Hill Slough Calibration Hill Slough Calibration Location: Hill Slough
Last calibration: 2022-06-08
RSSI=71%, Optical RH=26%
Ambient P=101.4kPa, Tair=10.3C
Zero Air at 1650psi, AMP CA04396 1.9317 at 1100
CH4 Zero Offset: .005ppm
CH4 Span Offset: .0003ppm
Notes: After calibration we flushed headspace with zero air until optics RH = 8%. We swapped in fresh drierite. The current thermocouple assembly is missing an o-ring (has putty instead in the o-ring groove), so we swapped in a brand-new thermocouple assembly.
LI-7700 TG1-0357 2022-11-30 Bouldin Corn Gas Analyzer CH4 Calibration Bouldin Corn Gas Analyzer CH4 Calibration Location: Bouldin Corn
Last calibration: 2022-06-08
RSSI=80%, Optical RH=23%
Ambient P=101.3kPa, Tair=12.6C
Zero Air at 1650psi, AMP CA04396 1.9317 at 1100
CH4 Zero Offset: .032ppm
CH4 Span Offset: .0083ppm
Notes: Breezy. After calibration we flushed headspace with zero air until optics RH = 8%. We swapped in fresh drierite. Half of the thermocouple tubing had broken off so we put on a new piece of tubing.
WMP 1352 000023 2005-01-27 Lab none Installed Vaira Anemometer Installed at Vaira to replace current sonic - no reason given. Two headings given: 0 and 260 magnetic. Unclear which is new heading and which is old.
WMP 1352 000028 2005-01-27 Vaira Anemometer Removed none none Removed from Vaira to be replaced by another sonic - no reason given. Two headings given: 0 and 260 magnetic. Unclear which is new heading and which is old.
LI-7500A 0065 2005-01-27 Lab none Installed Vaira Gas Analyzer CO2/H2O Installed at Vaira replacing current IRGA presumably for calibration
Mark 3 B301069 2022-11-18 Lab none Installed Bouldin Corn none Installed production Mark 3 on the west side of the scaffolding. This replaced a prototype Mark 3 that we removed today.
LI-7500A 0073 2022-11-18 Lab none Installed Bouldin Alfalfa Gas Analyzer CO2/H2O Installed at Bouldin Alfalfa to replace sn 1594, which was removed for calibration.
LI-7500A 1594 2022-11-18 Bouldin Alfalfa Gas Analyzer CO2/H2O Removed Lab none Removed from Bouldin Alfalfa for calibration. Replaced by sn 0073.
Mark II C013433 2022-11-18 Bouldin Alfalfa Weather Station B Removed Lab none Removed from BA main tower (south side of scaffolding) since we don't need 3 Arables on one tower. We are installing a Mark 3 today and we already have a Mark II that is connected to the wind set and the Sentek soil moisture profile probe.
Mark 3 B301045 2022-11-18 Lab none Installed Bouldin Alfalfa Weather Station B Installed at BA main tower on the north side of the scaffolding. The solar panel is facing south and the sensors are facing north, above the met/IRT enclosures.
NR-LITE 990350 2022-11-02 Bouldin Alfalfa-ADEX Net Radiometer Edge Removed Lab none Removed from top of the Edge tower at 3.34m alg at the end of the 2022 advection experiment at BA
SQ75 024398E-1-26-04-99974 2022-11-02 Bouldin Alfalfa-ADEX Solar Panel Edge B Removed Lab none Removed from about 10m north of the Edge tower at the end of the 2022 advection experiment
SP75 020854E-6-03-02-06862 2022-11-02 Bouldin Alfalfa-ADEX Solar Panel Edge A Removed Lab none Removed from about 10m north of the Edge tower at the end of the 2022 advection experiment
PS-30 19391162 2022-11-02 Bouldin Alfalfa-ADEX Solar Controller Edge Removed Lab none Removed from the Edge tower at the end of the 2022 advection experiment at BA
ML3 M001972 2022-11-02 Bouldin Alfalfa-ADEX Soil Moisture Probe Bouncer B Removed Lab none Removed from about 2m south of the Bouncer tower at -10cm at the end of the 2022 advection experiment
CS655 17130 2022-11-02 Bouldin Alfalfa-ADEX Soil Moisture Probe Edge A Removed Lab none Removed from about 2m north of the Edge tower at -10cm at the end of the 2022 advection experiment
LI-7550 AIU-0674 2022-11-02 Bouldin Alfalfa-ADEX Interface Edge LI-7550 Removed Lab none Removed from the Edge tower at the end of the 2022 advection experiment at BA
HP-127-1.0-1.3-71P PC4 2022-11-02 Bouldin Alfalfa-ADEX Heat Flux Plate Edge C Removed Lab none Removed from about 2m north of the Edge tower at -10cm at the end of the 2022 advection experiment