Articles | Volume 12, issue 2
https://doi.org/10.5194/amt-12-971-2019
https://doi.org/10.5194/amt-12-971-2019
Research article
 | 
13 Feb 2019
Research article |  | 13 Feb 2019

Possible errors in flux measurements due to limited digitalization

Thomas Foken, Wolfgang Babel, and Christoph Thomas

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Thomas Foken on behalf of the Authors (15 Nov 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (16 Nov 2018) by Ad Stoffelen
RR by Anonymous Referee #1 (22 Nov 2018)
RR by Anonymous Referee #2 (07 Dec 2018)
ED: Publish subject to minor revisions (review by editor) (07 Dec 2018) by Ad Stoffelen
AR by Thomas Foken on behalf of the Authors (14 Jan 2019)  Author's response    Manuscript
ED: Publish as is (28 Jan 2019) by Ad Stoffelen
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Short summary
Recently reported trends of carbon dioxide uptake pose the question of whether trends may be the result of the limited digitalization of gas analysers and sonic anemometers used in the 1990s. Modifying a 12 bit digitalization and the instrument error reported for the R2 and R3 sonic anemometers found elsewhere, the influence of these deficits in comparison to the now commonly used 16 bit digitalization were quantified. Both issues have an effect only on trace gas fluxes of small magnitude.