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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Articles | Volume 17, issue 14
Biogeosciences, 17, 3875–3890, 2020
https://doi.org/10.5194/bg-17-3875-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 17, 3875–3890, 2020
https://doi.org/10.5194/bg-17-3875-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 31 Jul 2020

Research article | 31 Jul 2020

Temporary and net sinks of atmospheric CO2 due to chemical weathering in subtropical catchment with mixing carbonate and silicate lithology

Yingjie Cao et al.

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Status: closed
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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 (13 Feb 2020) by Nobuhito Ohte
AR by Changyuan Tang on behalf of the Authors (14 Mar 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (31 Mar 2020) by Nobuhito Ohte
RR by Anonymous Referee #2 (09 Apr 2020)
ED: Reconsider after major revisions (17 Apr 2020) by Nobuhito Ohte
AR by Changyuan Tang on behalf of the Authors (21 May 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (04 Jun 2020) by Nobuhito Ohte
RR by Anonymous Referee #2 (05 Jun 2020)
ED: Publish subject to technical corrections (13 Jun 2020) by Nobuhito Ohte
AR by Changyuan Tang on behalf of the Authors (17 Jun 2020)  Author's response    Manuscript
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Short summary
About half of the global CO2 sequestration due to chemical weathering occurs in warm and high-runoff regions. To evaluate the temporary and net sinks of atmospheric CO2 due to chemical weathering, we selected a typical subtropical catchment as our study area and did fieldwork to sample surface water along the main channel and major tributaries in 1 hydrological year. The result of mass balance calculation showed that human activities dramatically decreased the CO2 net sink.
About half of the global CO2 sequestration due to chemical weathering occurs in warm and...
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