Articles | Volume 18, issue 1
Biogeosciences, 18, 55–75, 2021
https://doi.org/10.5194/bg-18-55-2021
Biogeosciences, 18, 55–75, 2021
https://doi.org/10.5194/bg-18-55-2021

Research article 05 Jan 2021

Research article | 05 Jan 2021

Deepening roots can enhance carbonate weathering by amplifying CO2-rich recharge

Hang Wen et al.

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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
ED: Reconsider after major revisions (13 Aug 2020) by Yakov Kuzyakov
AR by Hang Wen on behalf of the Authors (06 Sep 2020)  Author's response    Manuscript
ED: Reconsider after major revisions (30 Sep 2020) by Yakov Kuzyakov
AR by Hang Wen on behalf of the Authors (08 Oct 2020)  Author's response    Manuscript
ED: Publish as is (11 Oct 2020) by Yakov Kuzyakov
AR by Hang Wen on behalf of the Authors (14 Oct 2020)  Author's response    Manuscript

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Hang Wen on behalf of the Authors (01 Dec 2020)   Author's adjustment   Manuscript
EA: Adjustments approved (04 Dec 2020) by Yakov Kuzyakov
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Short summary
Carbonate weathering is essential in regulating carbon cycle at the century timescale. Plant roots accelerate weathering by elevating soil CO2 via respiration. It however remains poorly understood how and how much rooting characteristics modify flow paths and weathering. This work indicates that deepening roots in woodlands can enhance carbonate weathering by promoting recharge and CO2–carbonate contact in the deep, carbonate-abundant subsurface.
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