Building the COllaborative Carbon Column Observing Network (COCCON): long-term stability and ensemble performance of the EM27/SUN Fourier transform spectrometer

Frey, Matthias; Sha, Mahesh K.; Hase, Frank; Kiel, Matthäus; Blumenstock, Thomas; Harig, Roland; Surawicz, Gregor; Deutscher, Nicholas M.; Shiomi, Kei; Franklin, Jonathan E.; Bösch, Hartmut; Chen, Jia; Grutter, Michel; Ohyama, Hirofumi; Sun, Youwen; Butz, André; Mengistu Tsidu, Gizaw; Ene, Dragos; Wunch, Debra; Cao, Zhensong; Garcia, Omaira; Ramonet, Michel; Vogel, Felix; Orphal, Johannes

doi:https://doi.org/10.5194/amt-12-1513-2019

Articles | Volume 12, issue 3

https://doi.org/10.5194/amt-12-1513-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-12-1513-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 3

Research article

|

11 Mar 2019

Research article |

| 11 Mar 2019

Building the COllaborative Carbon Column Observing Network (COCCON): long-term stability and ensemble performance of the EM27/SUN Fourier transform spectrometer

Matthias Frey, Mahesh K. Sha, Frank Hase, Matthäus Kiel, Thomas Blumenstock, Roland Harig, Gregor Surawicz, Nicholas M. Deutscher, Kei Shiomi, Jonathan E. Franklin, Hartmut Bösch, Jia Chen, Michel Grutter, Hirofumi Ohyama, Youwen Sun, André Butz, Gizaw Mengistu Tsidu, Dragos Ene, Debra Wunch, Zhensong Cao, Omaira Garcia, Michel Ramonet, Felix Vogel, and Johannes Orphal

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Final revised paper (published on 11 Mar 2019)
Preprint (discussion started on 04 Jun 2018)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'RC Frey et al.', Anonymous Referee #1, 08 Jul 2018
- AC1: 'Reply to anonymous referee 1', Matthias Frey, 04 Dec 2018
RC2: 'Anonymous reviewer 2', Anonymous Referee #2, 09 Jul 2018
- AC2: 'Reply to anonymous referee 2', Matthias Frey, 04 Dec 2018
SC1: 'Additional suggestions, Frey et al. 2018', J.K. Hedelius, 15 Jul 2018
- AC3: 'Reply to shortcomment', Matthias Frey, 04 Dec 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Matthias Max Frey on behalf of the Authors (05 Dec 2018) Author's response Manuscript

ED: Referee Nomination & Report Request started (23 Jan 2019) by Ilse Aben

ED: Publish as is (22 Feb 2019) by Ilse Aben

AR by Matthias Max Frey on behalf of the Authors (22 Feb 2019) Author's response Manuscript

Short summary

In a 3.5-year long study, the long-term performance of a mobile EM27/SUN spectrometer, used for greenhouse gas observations, is checked with respect to a co-located reference spectrometer. We find that the EM27/SUN is stable on timescales of several years, qualifying it for permanent carbon cycle studies. The performance of an ensemble of 30 EM27/SUN spectrometers was also tested in the framework of the COllaborative Carbon Column Observing Network (COCCON) and found to be very uniform.