Articles | Volume 12, issue 4
https://doi.org/10.5194/amt-12-2043-2019
https://doi.org/10.5194/amt-12-2043-2019
Research article
 | 
03 Apr 2019
Research article |  | 03 Apr 2019

Atmospheric CO2, CH4, and CO with the CRDS technique at the Izaña Global GAW station: instrumental tests, developments, and first measurement results

Angel J. Gomez-Pelaez, Ramon Ramos, Emilio Cuevas, Vanessa Gomez-Trueba, and Enrique Reyes

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Angel J. Gomez-Pelaez on behalf of the Authors (26 Nov 2018)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (16 Dec 2018) by Brigitte Buchmann
RR by Anonymous Referee #3 (01 Jan 2019)
RR by Anonymous Referee #1 (03 Jan 2019)
RR by Anonymous Referee #2 (09 Jan 2019)
ED: Publish subject to minor revisions (review by editor) (17 Jan 2019) by Brigitte Buchmann
AR by Angel J. Gomez-Pelaez on behalf of the Authors (17 Feb 2019)  Author's response   Manuscript 
ED: Publish as is (06 Mar 2019) by Brigitte Buchmann
AR by Angel J. Gomez-Pelaez on behalf of the Authors (07 Mar 2019)
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Short summary
In 2015, a CO2/CH4/CO CRDS was installed at Izaña station (Tenerife). We present the acceptance tests, the processing of raw data applied, the ambient measurements performed, and their comparison with other continuous in situ measurements. We determine linear relationships between flow rate, CRDS inlet pressure, and CRDS outlet valve aperture; a slight CO2 correction that takes into account changes in the inlet pressure/flow rate and its origin; and the H2O correction for CO in a novel way.