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A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene
Understanding the dynamics between the East Asian summer (EASM) and winter monsoon (EAWM) is needed to predict their variability under future global warming scenarios. Here, we investigate the relationship between EASM and EAWM as well as the mechanisms driving their variability during the last 10,0...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7994397/ https://www.ncbi.nlm.nih.gov/pubmed/33767210 http://dx.doi.org/10.1038/s41598-021-85444-7 |
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author | Kaboth-Bahr, Stefanie Bahr, André Zeeden, Christian Yamoah, Kweku A. Lone, Mahjoor Ahmad Chuang, Chih-Kai Löwemark, Ludvig Wei, Kuo-Yen |
author_facet | Kaboth-Bahr, Stefanie Bahr, André Zeeden, Christian Yamoah, Kweku A. Lone, Mahjoor Ahmad Chuang, Chih-Kai Löwemark, Ludvig Wei, Kuo-Yen |
author_sort | Kaboth-Bahr, Stefanie |
collection | PubMed |
description | Understanding the dynamics between the East Asian summer (EASM) and winter monsoon (EAWM) is needed to predict their variability under future global warming scenarios. Here, we investigate the relationship between EASM and EAWM as well as the mechanisms driving their variability during the last 10,000 years by stacking marine and terrestrial (non-speleothem) proxy records from the East Asian realm. This provides a regional and proxy independent signal for both monsoonal systems. The respective signal was subsequently analysed using a linear regression model. We find that the phase relationship between EASM and EAWM is not time-constant and significantly depends on orbital configuration changes. In addition, changes in the Atlantic Meridional Overturning circulation, Arctic sea-ice coverage, El Niño-Southern Oscillation and Sun Spot numbers contributed to millennial scale changes in the EASM and EAWM during the Holocene. We also argue that the bulk signal of monsoonal activity captured by the stacked non-speleothem proxy records supports the previously argued bias of speleothem climatic archives to moisture source changes and/or seasonality. |
format | Online Article Text |
id | pubmed-7994397 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-79943972021-03-29 A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene Kaboth-Bahr, Stefanie Bahr, André Zeeden, Christian Yamoah, Kweku A. Lone, Mahjoor Ahmad Chuang, Chih-Kai Löwemark, Ludvig Wei, Kuo-Yen Sci Rep Article Understanding the dynamics between the East Asian summer (EASM) and winter monsoon (EAWM) is needed to predict their variability under future global warming scenarios. Here, we investigate the relationship between EASM and EAWM as well as the mechanisms driving their variability during the last 10,000 years by stacking marine and terrestrial (non-speleothem) proxy records from the East Asian realm. This provides a regional and proxy independent signal for both monsoonal systems. The respective signal was subsequently analysed using a linear regression model. We find that the phase relationship between EASM and EAWM is not time-constant and significantly depends on orbital configuration changes. In addition, changes in the Atlantic Meridional Overturning circulation, Arctic sea-ice coverage, El Niño-Southern Oscillation and Sun Spot numbers contributed to millennial scale changes in the EASM and EAWM during the Holocene. We also argue that the bulk signal of monsoonal activity captured by the stacked non-speleothem proxy records supports the previously argued bias of speleothem climatic archives to moisture source changes and/or seasonality. Nature Publishing Group UK 2021-03-25 /pmc/articles/PMC7994397/ /pubmed/33767210 http://dx.doi.org/10.1038/s41598-021-85444-7 Text en © The Author(s) 2021 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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Kaboth-Bahr, Stefanie Bahr, André Zeeden, Christian Yamoah, Kweku A. Lone, Mahjoor Ahmad Chuang, Chih-Kai Löwemark, Ludvig Wei, Kuo-Yen A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene |
title | A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene |
title_full | A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene |
title_fullStr | A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene |
title_full_unstemmed | A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene |
title_short | A tale of shifting relations: East Asian summer and winter monsoon variability during the Holocene |
title_sort | tale of shifting relations: east asian summer and winter monsoon variability during the holocene |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7994397/ https://www.ncbi.nlm.nih.gov/pubmed/33767210 http://dx.doi.org/10.1038/s41598-021-85444-7 |
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