Latitude: 39.8627 N
Longitude: 85.7448 W
Address: 5123 N 300 E, Greenfield, IN
Click here for Google map
Elevation: 277 m ASL
Install Date: 30 March 2012
Sampling Height: 130 m AGL
In-situ GHG Instrument: CKADS2024 (CO2/CO (27 Jan 2024 – current); CFADS2233 (CO2/CH4 (26 Oct 2019 – 27 Jan 2024);
CKADS2024 (5 Nov 2017 – 26 Oct 2019);
CFKADS2060 (CO2/CO/CH4) (25 March 2017 -5 Nov 2017)
CKADS2025 (CO2/CO) (30 March 2012 – 24 March 2017)
NOAA Flasks (discontinued)
Bypass and remote power switch
| Reference Tank | CO2 (ppm) | CO (ppb) | CH4 (ppb) | Pressure (psi)/ Date |
| CC336482 | 396.06 (396.04) | 142.85 (141.95) | 1864.9* | 1900 Mar 2012; 1500 Aug 2012; 1350 Nov 2013; 1100 April 2015; 900 Oct 2015; 600 July 2016; 450 psi Feb 2017; 450 psi March 2017 (removed) |
| CC336629 | 451.39 (x2019) 451.17 (x2007) | 254.49 | 2117.14 | 1400 Nov 2017; 1250 May 2018; 1250 July 2018;1200 Sept 2018; 1175 psi Dec 2018; 1150 psi Dec 2018; 1100 psi Feb 2019; 1075 Apr 2019; 1000 Sept 2019; 975 Oct 2019; 850 May 2020; 750 Oct 2020; 550 Apr 2021 (should last until Oct-Nov 2021); 300 May 2022; back to PSU |
| LL132525-R | 422.84 (x2019) | 123.7 | 1972.8 | 1900 May 2022; 1500 Jan 2024;1400 March 2024; 950 Oct 2024 (should last until ~Oct 2025 with new cal gas schedule) |
Additional tubing length:
Notes: MD1 pump
*Tank field calibrated for CH4 on 25 April 2017
