Weakening of the South Asian summer monsoon linked to interhemispheric ice-sheet growth since 12 Ma

Zhengquan Yao; Xuefa Shi; Zhengtang Guo; Xinzhou Li; B. Nagender Nath; Christian Betzler; Hui Zhang; Sebastian Lindhorst; Pavan Miriyala

doi:10.1038/s41467-023-36537-6

Nature Communications (Feb 2023)

Weakening of the South Asian summer monsoon linked to interhemispheric ice-sheet growth since 12 Ma

Zhengquan Yao,
Xuefa Shi,
Zhengtang Guo,
Xinzhou Li,
B. Nagender Nath,
Christian Betzler,
Hui Zhang,
Sebastian Lindhorst,
Pavan Miriyala

Affiliations

Zhengquan Yao: Key Laboratory of Marine Geology and Metallogeny, First Institute of Oceanography, Ministry of Natural Resources
Xuefa Shi: Key Laboratory of Marine Geology and Metallogeny, First Institute of Oceanography, Ministry of Natural Resources
Zhengtang Guo: Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences
Xinzhou Li: State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences
B. Nagender Nath: Geological Oceanography Division, CSIR-National Institute of Oceanography
Christian Betzler: Institute of Geology, CEN, University of Hamburg
Hui Zhang: Key Laboratory of Marine Geology and Metallogeny, First Institute of Oceanography, Ministry of Natural Resources
Sebastian Lindhorst: Institute of Geology, CEN, University of Hamburg
Pavan Miriyala: CSIR-National Geophysical Research Institute

DOI: https://doi.org/10.1038/s41467-023-36537-6
Journal volume & issue: Vol. 14, no. 1
pp. 1 – 9

Abstract

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The εNd record from the IODP Exp. 359 Site U1467 in the northern Indian Ocean, along with climate modeling, reveals a two-step weakening of the South Asian summer monsoon (SASM) wind since 12 Ma. The SASM evolution was mainly caused by interhemispheric ice-sheet growth since the Middle Miocene.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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