{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T19:52:34Z","timestamp":1780084354594,"version":"3.54.0"},"reference-count":59,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2022,3,20]],"date-time":"2022-03-20T00:00:00Z","timestamp":1647734400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The aim of this work is to study the zonally asymmetric stratopause that occurred in the Arctic winter of 2019\/2020, when the polar vortex was particularly strong and there was no sudden stratospheric warming. Aura Microwave Limb Sounder temperature data were used to analyze the evolution of the stratopause with a particular focus on its zonally asymmetric wave 1 pattern. There was a rapid descent of the stratopause height below 50 km in the anticyclone region in mid-December 2019. The descended stratopause persisted until mid-January 2020 and was accompanied by a slow descent of the higher stratopause in the vortex region. The results show that the stratopause in this event was inclined and lowered from the mesosphere in the polar vortex to the stratosphere in the anticyclone. It was found that the vertical amplification of wave 1 between 50 km and 60 km closely coincides in time with the rapid stratopause descent in the anticyclone. Overall, the behavior contrasts with the situation during sudden stratospheric warmings when the stratopause reforms at higher altitudes following wave amplification events. We link the mechanism responsible for coupling between the vertical wave 1 amplification and this form of zonally asymmetric stratopause descent to the unusual disruption of the quasi-biennial oscillation that occurred in late 2019.<\/jats:p>","DOI":"10.3390\/rs14061496","type":"journal-article","created":{"date-parts":[[2022,3,20]],"date-time":"2022-03-20T21:37:17Z","timestamp":1647812237000},"page":"1496","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Zonal Asymmetry of the Stratopause in the 2019\/2020 Arctic Winter"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6972-2122","authenticated-orcid":false,"given":"Yu","family":"Shi","sequence":"first","affiliation":[{"name":"International Center of Future Science, College of Physics, Jilin University, Changchun 130012, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oleksandr","family":"Evtushevsky","sequence":"additional","affiliation":[{"name":"Physics Faculty, Taras Shevchenko National University of Kyiv, 01601 Kyiv, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2342-2615","authenticated-orcid":false,"given":"Gennadi","family":"Milinevsky","sequence":"additional","affiliation":[{"name":"International Center of Future Science, College of Physics, Jilin University, Changchun 130012, China"},{"name":"Physics Faculty, Taras Shevchenko National University of Kyiv, 01601 Kyiv, Ukraine"},{"name":"Department of Atmosphere Physics and Geospace, National Antarctic Scientific Center, 01601 Kyiv, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3335-0034","authenticated-orcid":false,"given":"Andrew","family":"Klekociuk","sequence":"additional","affiliation":[{"name":"Antarctic Climate Program, Australian Antarctic Division, Kingston 7050, Australia"},{"name":"Department of Physics, University of Adelaide, Adelaide 5005, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Han","sequence":"additional","affiliation":[{"name":"International Center of Future Science, College of Physics, Jilin University, Changchun 130012, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2897-2736","authenticated-orcid":false,"given":"Oksana","family":"Ivaniha","sequence":"additional","affiliation":[{"name":"Physics Faculty, Taras Shevchenko National University of Kyiv, 01601 Kyiv, Ukraine"},{"name":"Department of Atmosphere Physics and Geospace, National Antarctic Scientific Center, 01601 Kyiv, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yulia","family":"Andrienko","sequence":"additional","affiliation":[{"name":"Physics Faculty, Taras Shevchenko National University of Kyiv, 01601 Kyiv, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6529-5610","authenticated-orcid":false,"given":"Valery","family":"Shulga","sequence":"additional","affiliation":[{"name":"International Center of Future Science, College of Physics, Jilin University, Changchun 130012, China"},{"name":"Department of Millimeter Radio Astronomy, Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 61002 Kharkiv, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chenning","family":"Zhang","sequence":"additional","affiliation":[{"name":"International Center of Future Science, College of Physics, Jilin University, Changchun 130012, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,3,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"D06116","DOI":"10.1029\/2011JD016893","article-title":"A climatology of stratopause temperature and height in the polar vortex and anticyclones","volume":"117","author":"France","year":"2012","journal-title":"J. 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