Tropospheric jet response to Antarctic ozone depletion: An update with Chemistry-Climate Model Initiative (CCMI) models

The Southern Hemisphere (SH) zonal-mean circulation change in response to Antarctic ozone depletion is re-visited by examining a set of the latest model simulations archived for the Chemistry-Climate Model Initiative (CCMI) project. All models reasonably well reproduce Antarctic ozone depletion in the late 20th century. The related SH-summer circulation changes, such as a poleward intensification of westerly jet and a poleward expansion of the Hadley cell, are also well captured. All experiments exhibit quantitatively the same multi-model mean trend, irrespective of whether the ocean is coupled or prescribed. Results are also quantitatively similar to those derived from the Coupled Model Intercomparison Project phase 5 (CMIP5) high-top model simulations in which the stratospheric ozone is mostly prescribed with monthly- and zonally-averaged values. These results suggest that the ozone-hole-induced SH-summer circulation changes are robust across the models irrespective of the specific chemistry-atmosphere-ocean coupling.

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Author Son, Seok-Woo
Han, Bo-Reum
Garfinkel, Chaim I
Kim, Seo-Yeon
Park, Rokjin
Abraham, N Luke
Akiyoshi, Hideharu
Archibald, Alexander T
Butchart, N
Chipperfield, Martyn P
Dameris, Martin
Deushi, Makoto
Dhomse, Sandip S
Hardiman, Steven C
Jöckel, Patrick
Kinnison, Douglas
Michou, Martine
Morgenstern, Olaf
O’Connor, Fiona M
Oman, Luke D
Plummer, David A
Pozzer, Andrea
Revell, Laura E
Rozanov, Eugene
Stenke, Andrea
Stone, Kane
Tilmes, Simone
Yamashita, Yousuke
Zeng, Guang
Publisher UCAR/NCAR - Library
Publication Date 2018-05-09T00:00:00
Digital Object Identifier (DOI) Not Assigned
Alternate Identifier N/A
Resource Version N/A
Topic Category geoscientificInformation
Progress N/A
Metadata Date 2023-08-18T19:13:28.383136
Metadata Record Identifier edu.ucar.opensky::articles:21641
Metadata Language eng; USA
Suggested Citation Son, Seok-Woo, Han, Bo-Reum, Garfinkel, Chaim I, Kim, Seo-Yeon, Park, Rokjin, Abraham, N Luke, Akiyoshi, Hideharu, Archibald, Alexander T, Butchart, N, Chipperfield, Martyn P, Dameris, Martin, Deushi, Makoto, Dhomse, Sandip S, Hardiman, Steven C, Jöckel, Patrick, Kinnison, Douglas, Michou, Martine, Morgenstern, Olaf, O’Connor, Fiona M, Oman, Luke D, Plummer, David A, Pozzer, Andrea, Revell, Laura E, Rozanov, Eugene, Stenke, Andrea, Stone, Kane, Tilmes, Simone, Yamashita, Yousuke, Zeng, Guang. (2018). Tropospheric jet response to Antarctic ozone depletion: An update with Chemistry-Climate Model Initiative (CCMI) models. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d7kw5js6. Accessed 21 June 2025.

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