Memory effects of Eurasian land processes cause enhanced cooling in response to sea ice loss
Amplified Arctic warming and its relevance to mid-latitude cooling in winter have been intensively studied. Observational evidence has shown strong connections between decreasing sea ice and cooling over the Siberian/East Asian regions. However, the robustness of such connections remains a matter of...
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ftpubmed:oai:pubmedcentral.nih.gov:6841963 2023-05-15T14:49:36+02:00 Memory effects of Eurasian land processes cause enhanced cooling in response to sea ice loss Nakamura, Tetsu Yamazaki, Koji Sato, Tomonori Ukita, Jinro 2019-11-08 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6841963/ http://www.ncbi.nlm.nih.gov/pubmed/31704932 https://doi.org/10.1038/s41467-019-13124-2 en eng Nature Publishing Group UK http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6841963/ http://www.ncbi.nlm.nih.gov/pubmed/31704932 http://dx.doi.org/10.1038/s41467-019-13124-2 © The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. CC-BY Article Text 2019 ftpubmed https://doi.org/10.1038/s41467-019-13124-2 2019-11-17T01:33:27Z Amplified Arctic warming and its relevance to mid-latitude cooling in winter have been intensively studied. Observational evidence has shown strong connections between decreasing sea ice and cooling over the Siberian/East Asian regions. However, the robustness of such connections remains a matter of discussion because modeling studies have shown divergent and controversial results. Here, we report a set of general circulation model experiments specifically designed to extract memory effects of land processes that can amplify sea ice–climate impacts. The results show that sea ice–induced cooling anomalies over the Eurasian continent are memorized in the snow amount and soil temperature fields, and they reemerge in the following winters to enhance negative Arctic Oscillation-like anomalies. The contribution from this memory effect is similar in magnitude to the direct effect of sea ice loss. The results emphasize the essential role of land processes in understanding and evaluating the Arctic–mid-latitude climate linkage. Text Arctic Sea ice PubMed Central (PMC) Arctic Nature Communications 10 1 |
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Article Nakamura, Tetsu Yamazaki, Koji Sato, Tomonori Ukita, Jinro Memory effects of Eurasian land processes cause enhanced cooling in response to sea ice loss |
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Article |
description |
Amplified Arctic warming and its relevance to mid-latitude cooling in winter have been intensively studied. Observational evidence has shown strong connections between decreasing sea ice and cooling over the Siberian/East Asian regions. However, the robustness of such connections remains a matter of discussion because modeling studies have shown divergent and controversial results. Here, we report a set of general circulation model experiments specifically designed to extract memory effects of land processes that can amplify sea ice–climate impacts. The results show that sea ice–induced cooling anomalies over the Eurasian continent are memorized in the snow amount and soil temperature fields, and they reemerge in the following winters to enhance negative Arctic Oscillation-like anomalies. The contribution from this memory effect is similar in magnitude to the direct effect of sea ice loss. The results emphasize the essential role of land processes in understanding and evaluating the Arctic–mid-latitude climate linkage. |
format |
Text |
author |
Nakamura, Tetsu Yamazaki, Koji Sato, Tomonori Ukita, Jinro |
author_facet |
Nakamura, Tetsu Yamazaki, Koji Sato, Tomonori Ukita, Jinro |
author_sort |
Nakamura, Tetsu |
title |
Memory effects of Eurasian land processes cause enhanced cooling in response to sea ice loss |
title_short |
Memory effects of Eurasian land processes cause enhanced cooling in response to sea ice loss |
title_full |
Memory effects of Eurasian land processes cause enhanced cooling in response to sea ice loss |
title_fullStr |
Memory effects of Eurasian land processes cause enhanced cooling in response to sea ice loss |
title_full_unstemmed |
Memory effects of Eurasian land processes cause enhanced cooling in response to sea ice loss |
title_sort |
memory effects of eurasian land processes cause enhanced cooling in response to sea ice loss |
publisher |
Nature Publishing Group UK |
publishDate |
2019 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6841963/ http://www.ncbi.nlm.nih.gov/pubmed/31704932 https://doi.org/10.1038/s41467-019-13124-2 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Sea ice |
genre_facet |
Arctic Sea ice |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6841963/ http://www.ncbi.nlm.nih.gov/pubmed/31704932 http://dx.doi.org/10.1038/s41467-019-13124-2 |
op_rights |
© The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1038/s41467-019-13124-2 |
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Nature Communications |
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10 |
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1 |
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1766320677128765440 |