Articles | Volume 18, issue 4
https://doi.org/10.5194/bg-18-1333-2021
https://doi.org/10.5194/bg-18-1333-2021
Research article
 | 
22 Feb 2021
Research article |  | 22 Feb 2021

Changing sources and processes sustaining surface CO2 and CH4 fluxes along a tropical river to reservoir system

Cynthia Soued and Yves T. Prairie

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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
ED: Reconsider after major revisions (08 Dec 2020) by Sara Vicca
AR by Cynthia Soued on behalf of the Authors (08 Dec 2020)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (09 Dec 2020) by Sara Vicca
RR by Anonymous Referee #3 (23 Dec 2020)
RR by Anonymous Referee #1 (24 Dec 2020)
ED: Publish subject to minor revisions (review by editor) (04 Jan 2021) by Sara Vicca
AR by Cynthia Soued on behalf of the Authors (15 Jan 2021)  Author's response   Author's tracked changes   Manuscript 
ED: Publish as is (18 Jan 2021) by Sara Vicca
AR by Cynthia Soued on behalf of the Authors (20 Jan 2021)  Manuscript 
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Short summary
Freshwater reservoirs emit greenhouse gases (GHGs, CO2 and CH4) to the atmosphere; however, the sources underlying these emissions are numerous, and their magnitude is not well known. This study quantifies surface CO2 and CH4 emissions and all their potential sources in a tropical reservoir. Results highlight the changes in GHG sources along the river–reservoir continuum, with internal metabolism being a key component but highly uncertain and challenging to estimate at an ecosystem scale.
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