Anthropogenic and natural controls on atmospheric δ13C-CO2 variations in the Yangtze River delta: insights from a carbon isotope modeling framework

Hu, Cheng; Xu, Jiaping; Liu, Cheng; Chen, Yan; Yang, Dong; Huang, Wenjing; Deng, Lichen; Liu, Shoudong; Griffis, Timothy J.; Lee, Xuhui

doi:https://doi.org/10.5194/acp-21-10015-2021

Articles | Volume 21, issue 13

https://doi.org/10.5194/acp-21-10015-2021

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

https://doi.org/10.5194/acp-21-10015-2021

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

Articles | Volume 21, issue 13

Research article

|

06 Jul 2021

Research article |

| 06 Jul 2021

Anthropogenic and natural controls on atmospheric δ¹³C-CO₂ variations in the Yangtze River delta: insights from a carbon isotope modeling framework

Cheng Hu, Jiaping Xu, Cheng Liu, Yan Chen, Dong Yang, Wenjing Huang, Lichen Deng, Shoudong Liu, Timothy J. Griffis, and Xuhui Lee

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Final revised paper (published on 06 Jul 2021)
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Preprint (discussion started on 11 Aug 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 of: Anthropogenic and natural controls on atmospheric 13C-CO2 variations in the Yangtze River Delta: Insights from a carbon isotope modeling framework', Anonymous Referee #1, 15 Oct 2020
- AC1: 'Reply on RC1', Cheng Hu, 06 May 2021
RC2: 'Review of Hu et al, ACPD, 2020. “Anthropogenic and natural controls on atmospheric δ13C-CO2 variations in the Yangtze River Delta: Insights from a carbon isotope modeling framework”', Anonymous Referee #2, 16 Mar 2021
- AC2: 'Reply on RC2', Cheng Hu, 06 May 2021

Peer-review completion

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

AR by Cheng Hu on behalf of the Authors (06 May 2021) Author's response Author's tracked changes Manuscript

ED: Referee Nomination & Report Request started (28 May 2021) by Manvendra Krishna Dubey

ED: Publish as is (08 Jun 2021) by Manvendra Krishna Dubey

AR by Cheng Hu on behalf of the Authors (09 Jun 2021) Manuscript

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Short summary

Seventy percent of global CO₂ emissions were emitted from urban landscapes. The Yangtze River delta (YRD) ranks as one of the most densely populated regions in the world and is an anthropogenic CO₂ hotspot. Besides anthropogenic factors, natural ecosystems and croplands act as significant CO₂ sinks and sources. Independent quantification of the fossil and cement CO₂ emission and assessment of their impact on atmospheric δ¹³C-CO₂ have potential to improve our understanding of urban CO₂ cycling.