Contrasting interannual atmospheric CO<sub>2</sub> variabilities and their terrestrial mechanisms for two types of El Niños

Wang, Jun; Zeng, Ning; Wang, Meirong; Jiang, Fei; Chen, Jingming; Friedlingstein, Pierre; Jain, Atul K.; Jiang, Ziqiang; Ju, Weimin; Lienert, Sebastian; Nabel, Julia; Sitch, Stephen; Viovy, Nicolas; Wang, Hengmao; Wiltshire, Andrew J.

doi:https://doi.org/10.5194/acp-18-10333-2018

Articles | Volume 18, issue 14

https://doi.org/10.5194/acp-18-10333-2018

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

Special issue:

The 10th International Carbon Dioxide Conference (ICDC10)...

https://doi.org/10.5194/acp-18-10333-2018

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

Articles | Volume 18, issue 14

Research article

|

19 Jul 2018

Research article |

| 19 Jul 2018

Contrasting interannual atmospheric CO₂ variabilities and their terrestrial mechanisms for two types of El Niños

Jun Wang, Ning Zeng, Meirong Wang, Fei Jiang, Jingming Chen, Pierre Friedlingstein, Atul K. Jain, Ziqiang Jiang, Weimin Ju, Sebastian Lienert, Julia Nabel, Stephen Sitch, Nicolas Viovy, Hengmao Wang, and Andrew J. Wiltshire

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Status: closed

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

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RC1: 'Review of Wang et al', Anonymous Referee #1, 19 Apr 2018
- AC1: 'Reply to referee #1', Jun Wang, 19 Jun 2018
RC2: 'Review of Wang et al', Anonymous Referee #2, 15 May 2018
- AC2: 'Reply to Referee #2', Jun Wang, 19 Jun 2018

Peer-review completion

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

AR by Jun Wang on behalf of the Authors (19 Jun 2018) Author's response Manuscript

ED: Publish subject to technical corrections (05 Jul 2018) by Rachel Law

AR by Jun Wang on behalf of the Authors (08 Jul 2018) Author's response Manuscript

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Short summary

Based on the Mauna Loa CO₂ records and TRENDY multi-model historical simulations, we investigate the different impacts of EP and CP El Niños on interannual carbon cycle variability. Composite analysis indicates that the evolutions of CO₂ growth rate anomalies have three clear differences in terms of precursors (negative and neutral), amplitudes (strong and weak), and durations of peak (Dec–Apr and Oct–Jan) during EP and CP El Niños, respectively. We further discuss their terrestrial mechanisms.

Contrasting interannual atmospheric CO2 variabilities and their terrestrial mechanisms for two types of El Niños

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Interactive discussion

Peer-review completion

Contrasting interannual atmospheric CO₂ variabilities and their terrestrial mechanisms for two types of El Niños