On the origin of enhanced North Pacific midlatitude winter storm track activity ...
<!--!introduction!--> In this study, we demonstrate that the enhanced storm track activity in the North Pacific midlatitudes during boreal winter over the past four decades was correlated with subtropical warming which strengthened midlatitude meridional temperature gradient. On the contrary,...
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GFZ German Research Centre for Geosciences
2023
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Online Access: | https://dx.doi.org/10.57757/iugg23-1874 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017701 |
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ftdatacite:10.57757/iugg23-1874 2023-06-11T04:09:25+02:00 On the origin of enhanced North Pacific midlatitude winter storm track activity ... Hsu, Pei-Chun Hsu, Huang-Hsiung Hong, Hao-Jhe Chen, Ying-Ting 2023 https://dx.doi.org/10.57757/iugg23-1874 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017701 unknown GFZ German Research Centre for Geosciences Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 ConferencePaper Oral Article 2023 ftdatacite https://doi.org/10.57757/iugg23-1874 2023-06-01T12:06:20Z <!--!introduction!--> In this study, we demonstrate that the enhanced storm track activity in the North Pacific midlatitudes during boreal winter over the past four decades was correlated with subtropical warming which strengthened midlatitude meridional temperature gradient. On the contrary, Arctic warming reduced the near-surface temperature gradient and had negative correlation with midlatitude storm track activity. The close relationship between temperature gradient and synoptic eddy activity is dynamically fundamental and can be seen in both long-term trends and the interannual variation. The observed trends in warming sea surface temperature (SST) in the subtropical North Pacific, ascending motion over the subtropical western North Pacific and anticyclonic circulation over the central and western North Pacific suggests a positive feedback between warming SST and atmospheric circulation. Numerical experiments further revealed that SST warming in the subtropical North Pacific and in the Indian ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Arctic DataCite Metadata Store (German National Library of Science and Technology) Arctic Indian Pacific |
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DataCite Metadata Store (German National Library of Science and Technology) |
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description |
<!--!introduction!--> In this study, we demonstrate that the enhanced storm track activity in the North Pacific midlatitudes during boreal winter over the past four decades was correlated with subtropical warming which strengthened midlatitude meridional temperature gradient. On the contrary, Arctic warming reduced the near-surface temperature gradient and had negative correlation with midlatitude storm track activity. The close relationship between temperature gradient and synoptic eddy activity is dynamically fundamental and can be seen in both long-term trends and the interannual variation. The observed trends in warming sea surface temperature (SST) in the subtropical North Pacific, ascending motion over the subtropical western North Pacific and anticyclonic circulation over the central and western North Pacific suggests a positive feedback between warming SST and atmospheric circulation. Numerical experiments further revealed that SST warming in the subtropical North Pacific and in the Indian ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Hsu, Pei-Chun Hsu, Huang-Hsiung Hong, Hao-Jhe Chen, Ying-Ting |
spellingShingle |
Hsu, Pei-Chun Hsu, Huang-Hsiung Hong, Hao-Jhe Chen, Ying-Ting On the origin of enhanced North Pacific midlatitude winter storm track activity ... |
author_facet |
Hsu, Pei-Chun Hsu, Huang-Hsiung Hong, Hao-Jhe Chen, Ying-Ting |
author_sort |
Hsu, Pei-Chun |
title |
On the origin of enhanced North Pacific midlatitude winter storm track activity ... |
title_short |
On the origin of enhanced North Pacific midlatitude winter storm track activity ... |
title_full |
On the origin of enhanced North Pacific midlatitude winter storm track activity ... |
title_fullStr |
On the origin of enhanced North Pacific midlatitude winter storm track activity ... |
title_full_unstemmed |
On the origin of enhanced North Pacific midlatitude winter storm track activity ... |
title_sort |
on the origin of enhanced north pacific midlatitude winter storm track activity ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-1874 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017701 |
geographic |
Arctic Indian Pacific |
geographic_facet |
Arctic Indian Pacific |
genre |
Arctic |
genre_facet |
Arctic |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.57757/iugg23-1874 |
_version_ |
1768383278964801536 |