Representing methane emissions from wet tropical forest soils using microbial functional groups constrained by soil diffusivity

Sihi, Debjani; Xu, Xiaofeng; Salazar Ortiz, Mónica; O'Connell, Christine S.; Silver, Whendee L.; López-Lloreda, Carla; Brenner, Julia M.; Quinn, Ryan K.; Phillips, Jana R.; Newman, Brent D.; Mayes, Melanie A.

doi:https://doi.org/10.5194/bg-18-1769-2021

Articles | Volume 18, issue 5

https://doi.org/10.5194/bg-18-1769-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-18-1769-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 5

Research article

|

15 Mar 2021

Research article |

| 15 Mar 2021

Representing methane emissions from wet tropical forest soils using microbial functional groups constrained by soil diffusivity

Debjani Sihi, Xiaofeng Xu, Mónica Salazar Ortiz, Christine S. O'Connell, Whendee L. Silver, Carla López-Lloreda, Julia M. Brenner, Ryan K. Quinn, Jana R. Phillips, Brent D. Newman, and Melanie A. Mayes

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Final revised paper (published on 15 Mar 2021)
Supplement to the final revised paper
Preprint (discussion started on 29 Jul 2020)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'review', Anonymous Referee #1, 22 Aug 2020
- AC1: 'Response Rev 1 Bg-2020-222-RC1', Melanie Mayes, 02 Oct 2020
RC2: 'Comments', Anonymous Referee #3, 26 Aug 2020
- AC2: 'Response Rev 1 Bg-2020-222-RC2', Melanie Mayes, 02 Oct 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Reconsider after major revisions (14 Oct 2020) by Edzo Veldkamp

AR by Melanie Mayes on behalf of the Authors (19 Nov 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (20 Nov 2020) by Edzo Veldkamp

RR by Anonymous Referee #1 (14 Dec 2020)

RR by Anonymous Referee #3 (23 Dec 2020)

ED: Publish as is (23 Dec 2020) by Edzo Veldkamp

AR by Melanie Mayes on behalf of the Authors (01 Jan 2021) Author's response Manuscript

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Short summary

Humid tropical soils are important sources and sinks of methane. We used model simulation to understand how different kinds of microbes and observed soil moisture and oxygen dynamics contribute to production and consumption of methane along a wet tropical hillslope during normal and drought conditions. Drought alters the diffusion of oxygen and microbial substrates into and out of soil microsites, resulting in enhanced methane release from the entire hillslope during drought recovery.