Smaller global and regional carbon emissions from gross land use change when considering sub-grid secondary land cohorts in a global dynamic vegetation model

Yue, Chao; Ciais, Philippe; Li, Wei

doi:https://doi.org/10.5194/bg-15-1185-2018

Articles | Volume 15, issue 4

https://doi.org/10.5194/bg-15-1185-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-15-1185-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 4

Research article

|

27 Feb 2018

Research article |

| 27 Feb 2018

Smaller global and regional carbon emissions from gross land use change when considering sub-grid secondary land cohorts in a global dynamic vegetation model

Chao Yue, Philippe Ciais, and Wei Li

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Final revised paper (published on 27 Feb 2018)
Supplement to the final revised paper
Preprint (discussion started on 04 Sep 2017)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review for Yue et al. "Smaller global and regional carbon emissions from gross land use change when considering sub-grid secondary land cohorts in a global dynamic vegetation model"', Benjamin Stocker, 19 Sep 2017
- AC1: 'Response to Benjamin Stocker's comments', Chao Yue, 26 Nov 2017
RC2: 'Reviewer comment for bg-2017-329', Stiig Wilkenskjeld, 27 Sep 2017
- AC2: 'responses to Stiig Wilkenskjeld's comments', Chao Yue, 26 Nov 2017

Peer-review completion

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

ED: Reconsider after major revisions (29 Nov 2017) by Victor Brovkin

AR by Chao Yue on behalf of the Authors (17 Dec 2017) Author's response Manuscript

ED: Referee Nomination & Report Request started (22 Dec 2017) by Victor Brovkin

RR by Stiig Wilkenskjeld (08 Jan 2018)

ED: Publish subject to minor revisions (review by editor) (08 Jan 2018) by Victor Brovkin

AR by Chao Yue on behalf of the Authors (21 Jan 2018) Author's response Manuscript

ED: Publish as is (24 Jan 2018) by Victor Brovkin

AR by Chao Yue on behalf of the Authors (25 Jan 2018) Manuscript

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Short summary

Gross land use change such as shifting cultivation causes carbon emissions because carbon release in cleared forests is larger than absorption in regrowing ones. However, to appropriately account for this process, vegetation models have to represent sub-grid secondary forest dynamics. We found that gross land use emissions can be overestimated if sub-grid secondary forests are neglected in the model. Conversely, rotation lengths of shifting cultivation have a critical role.