Investigating the sensitivity of soil heterotrophic respiration to recent snow cover changes in Alaska using a satellite-based permafrost carbon model

Yi, Yonghong; Kimball, John S.; Watts, Jennifer D.; Natali, Susan M.; Zona, Donatella; Liu, Junjie; Ueyama, Masahito; Kobayashi, Hideki; Oechel, Walter; Miller, Charles E.

doi:https://doi.org/10.5194/bg-17-5861-2020

Articles | Volume 17, issue 22

https://doi.org/10.5194/bg-17-5861-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-17-5861-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 17, issue 22

Research article

| Highlight paper

|

27 Nov 2020

Research article | Highlight paper |

| 27 Nov 2020

Investigating the sensitivity of soil heterotrophic respiration to recent snow cover changes in Alaska using a satellite-based permafrost carbon model

Yonghong Yi, John S. Kimball, Jennifer D. Watts, Susan M. Natali, Donatella Zona, Junjie Liu, Masahito Ueyama, Hideki Kobayashi, Walter Oechel, and Charles E. Miller

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Final revised paper (published on 27 Nov 2020)
Supplement to the final revised paper
Preprint (discussion started on 22 Jun 2020)
Supplement to the preprint

Interactive discussion

Status: closed

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

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RC1: 'Strong study with a few glaring issues', Anonymous Referee #1, 26 Jul 2020
- AC1: 'Response to referee’s comments on “Investigating the sensitivity of soil respiration to recent snow cover changes in Alaska using a satellite-based permafrost carbon model”', Yonghong Yi, 23 Aug 2020
RC2: 'Impressive study, but can be improved further', Anonymous Referee #2, 01 Aug 2020
- AC2: 'Response to referee’s comments on “Investigating the sensitivity of soil respiration to recent snow cover changes in Alaska using a satellite-based permafrost carbon model”', Yonghong Yi, 23 Aug 2020
- AC3: 'Supplementary material in response to reviewer's comments', Yonghong Yi, 23 Aug 2020

Peer-review completion

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

ED: Reconsider after major revisions (08 Sep 2020) by Michael Weintraub

AR by Yonghong Yi on behalf of the Authors (09 Sep 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (01 Oct 2020) by Michael Weintraub

RR by Anonymous Referee #1 (11 Oct 2020)

RR by Anonymous Referee #2 (17 Oct 2020)

ED: Publish as is (20 Oct 2020) by Michael Weintraub

AR by Yonghong Yi on behalf of the Authors (22 Oct 2020) Manuscript

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Short summary

We developed a 1 km satellite-data-driven permafrost carbon model to evaluate soil respiration sensitivity to recent snow cover changes in Alaska. Results show earlier snowmelt enhances growing-season soil respiration and reduces annual carbon uptake, while early cold-season soil respiration is linked to the number of snow-free days after the land surface freezes. Our results also show nonnegligible influences of subgrid variability in surface conditions on model-simulated CO₂ seasonal cycles.