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DOI10.1038/s41598-024-55909-6
Zonal control on Holocene precipitation in northwestern Madagascar based on a stalagmite from Anjohibe
发表日期2024
ISSN2045-2322
起始页码14
结束页码1
卷号14期号:1
英文摘要The Malagasy Summer Monsoon is an important part of the larger Indian Ocean and tropical monsoon region. As the effects of global warming play out, changes to precipitation in Madagascar will have important ramifications for the Malagasy people. To help understand how precipitation responds to climate changes we present a long-term Holocene speleothem record from Anjohibe, part of the Andranoboka cave system in northwestern Madagascar. To date, it is the most complete Holocene record from this region and sheds light on the nature of millennial and centennial precipitation changes in this region. We find that over the Holocene, precipitation in northwestern Madagascar is actually in phase with the Northern Hemisphere Asian monsoon on multi-millennial scales, but that during some shorter centennial-scale events such as the 8.2 ka event, Anjohibe exhibits an antiphase precipitation signal to the Northern Hemisphere. The ultimate driver of precipitation changes across the Holocene does not appear to be the meridional migration of the monsoon. Instead, zonal sea surface temperature gradients in the Indian Ocean seem to play a primary role in precipitation changes in northwestern Madagascar.
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:001180936100065
来源期刊SCIENTIFIC REPORTS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/293956
作者单位University of Massachusetts System; University of Massachusetts Amherst; Massachusetts Institute of Technology (MIT); Woods Hole Oceanographic Institution; Columbia University; Maynooth University; University of Massachusetts System; University of Massachusetts Amherst; University Antananarivo
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. Zonal control on Holocene precipitation in northwestern Madagascar based on a stalagmite from Anjohibe[J],2024,14(1).
APA (2024).Zonal control on Holocene precipitation in northwestern Madagascar based on a stalagmite from Anjohibe.SCIENTIFIC REPORTS,14(1).
MLA "Zonal control on Holocene precipitation in northwestern Madagascar based on a stalagmite from Anjohibe".SCIENTIFIC REPORTS 14.1(2024).
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