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Higher sea surface temperature in the Indian Ocean during the Last Interglacial weakened the South Asian monsoon.
Wang, Yiming V; Larsen, Thomas; Lauterbach, Stefan; Andersen, Nils; Blanz, Thomas; Krebs-Kanzow, Uta; Gierz, Paul; Schneider, Ralph R.
Afiliación
  • Wang YV; Department of Archaeology, Max Planck Institute for the Science of Human History, 07745 Jena, Germany.
  • Larsen T; Department of Archaeology, Max Planck Institute for the Science of Human History, 07745 Jena, Germany.
  • Lauterbach S; Leibniz Laboratory for Radiometric Dating and Stable Isotope Research, Kiel University, 24118 Kiel, Germany.
  • Andersen N; Institute of Geosciences, Kiel University, 24118 Kiel, Germany.
  • Blanz T; Leibniz Laboratory for Radiometric Dating and Stable Isotope Research, Kiel University, 24118 Kiel, Germany.
  • Krebs-Kanzow U; Institute of Geosciences, Kiel University, 24118 Kiel, Germany.
  • Gierz P; Helmoltz Center for Polar and Marine Research, Alfred Wegener Institute, 27578 Bremerhaven, Germany.
  • Schneider RR; Helmoltz Center for Polar and Marine Research, Alfred Wegener Institute, 27578 Bremerhaven, Germany.
Proc Natl Acad Sci U S A ; 119(10): e2107720119, 2022 03 08.
Article en En | MEDLINE | ID: mdl-35238640
SignificanceUnderstanding the drivers of South Asian monsoon intensity is pivotal for improving climate forecasting under global warming scenarios. Solar insolation is assumed to be the dominant driver of monsoon variability in warm climate regimes, but this has not been verified by proxy data. We report a South Asian monsoon rainfall record spanning the last ∼130 kyr in the Ganges-Brahmaputra-Meghna river catchment. Our multiproxy data reveal that the South Asian monsoon was weaker during the Last Interglacial (130 to 115 ka)-despite higher insolation-than during the Holocene (11.6 ka to present), thus questioning the widely accepted model assumption. Our work implies that Indian Ocean warming may increase the occurrence of severe monsoon failures in South Asia.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Proc Natl Acad Sci U S A Año: 2022 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Proc Natl Acad Sci U S A Año: 2022 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos