Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 18, issue 20
Articles | Volume 18, issue 20
https://doi.org/10.5194/acp-18-14837-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-14837-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 20
Research article
 | 
16 Oct 2018
Research article |  | 16 Oct 2018

Unprecedented strength of Hadley circulation in 2015–2016 impacts on CO2 interhemispheric difference

Jorgen S. Frederiksen and Roger J. Francey

Supplement

https://doi.org/10.5194/acp-18-14837-2018-supplement

Data sets

MERRA: NASA's modern-era retrospective analysis for research and applications (https://giovanni.gsfc.nasa.gov/giovanni/) M. M. Rienecker, M. J. Suarez, R. Gelaro, R. Todling, J. Bacmeister, E. Liu, M. G. Bosilovich, S. D. Schubert, L. Takacs, G. K. Kim, S. Bloom, J. Chen, D. Collins, A. Conaty, A. Da Silva, W. Gu, J. Joiner, R. D. Koster, R. Lucchesi, A. Molod, T. Owens, S. Pawson, P. Pegion, C. R. Redder, C. R., R. Reichle, F. R. Robertson, A. G. Ruddick, M. Sienkiewicz, and J. Woollen https://doi.org/10.1175/JCLI-D-11-00015.1

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Short summary
The extreme El Niño of 2015–2016 occurred at a time of record global warming and unprecedented strength of the Hadley circulation, with major implications for the interhemispheric carbon dioxide concentration difference. The roles of the mean transport by the Hadley circulation and by atmospheric waves and turbulent eddies in the seasonal and inter-annual carbon dioxide hemispheric differences are established during the period 1992–2016, including during the significant 2009–2010 step.
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