Site 02 E 21st St

site_2 010

Latitude:  39.7978 N
Longitude:  86.0183 W
Click here for Google map
Address:  8500 E 21st St
Elevation: 267 m ASL
Installation Date: 24 September 2010
Sampling Heights: 10 / 40 / 136 m AGL
In-situ GHG Instrument: CFKADS2079 (CO2/CO/CH4/H2O) (29 Dec 2014 – current), CFKADS2060 (CO2/CO/CH4) (12 Dec 2014 – 29 Dec 2014), CFKADS2005 (CO2/CO/CH4) (mid Aug 2012 – 12 Dec 2014)
CFBDS2042 (1 June 2012 to mid Aug 2012)
CADS05 (CO2)
NOAA Flasks
Surface Energy Balance / CO2 Flux (removed April 2017)

 

 

CB09923 383.62 192.7 (NOAA website: 183.47) 1962.8 800 Nov 2019; 800 Jan 2020; 400 Oct 2020 (no longer in use); removed

 

 

CA07938-REFILLED

Reference Tank CO2 (ppm) CO (ppb) CH4 (ppb) Pressure (psi)
CC310085 378.2 (378.22) 154.94 (153.3) 1797.88 (1798.4) 1200 ; 850 Nov 2013; 560 Nov 2014; 500  Dec 2014; 275 Oct 2015; storage unit
CC310074 416.55 239.5 2495.6 empty; back at PSU
CAO8077 411.65**  148.4* 1853.5* 1700 ; 1400 Nov 2013; 1150 Nov 2014; 1100 Dec 2014; 850 Oct 2015; 600 April 2017; 600 June 2017; removed
CC336384 395.78(395.76)  144.47(143.56) 1864.98 (1865.29) 1675 Oct 2015; 1700 Nov 2015; 900 April 2017; 300 June 2017 (not currently being sampled); removed
LL120795 422.02 162.0 2011.9 1400 April 2018; 1300 May 2018; empty Oct 2018; back to PSU
CB11958 416.54 205.1 2156.6 1800 Nov 2018; 550 Mar 2019; 400 Apr 2019; back to PSU
CC339522 421.83 155.8 1983.3 1400 Apr 2019; 1175 May 2019; WET; back to PSU
LL120784 410.16 (x2019) 409.98 (x2007) 119 2021.3 1300 Nov 2019; < 300 Nov 2021; no longer being sampled
CB09923  (x2019) 383.62 (x2007) 183.47 1962.8 400 Nov 2021; 300 May 2022; back to PSU
LL120780-R  (x2019) 423.83 129.6 1977.0 1900 May 2022; 1450 Oct 2022; 1300 Jan 2023 (predicted switch date:  Feb 2024)
CA07938-REFILLED 424.90 (x2019) 139.1 1998.0 ~2000 (not yet in use)

* Based on field calibration from October 2015
** New NOAA value (October 2015) was 411.78 ppm, but other tanks near that value changed by only 0.02 ppm, and the new value was not consistent with round robin results. Re-cal value (August 2018): 411.61 ppm.

 

DSC01202 DSC01211  DSC01210  site_2 011  site_2 017 site_2 018

Flask system:
IMGP2449 IMGP2452

April 2017:

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