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Article: Indonesian Throughflow drove Australian climate form humid Pliocene to arid Pleistocene

TitleIndonesian Throughflow drove Australian climate form humid Pliocene to arid Pleistocene
Authors
Issue Date2017
PublisherWiley-Blackwell Publishing, Inc. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1944-8007
Citation
Geophysical Research Letters, 2017, v. 44, p. 6914-6925 How to Cite?
AbstractLate Miocene to mid-Pleistocene sedimentary proxy records reveal that northwest Australia underwent an abrupt transition from dry to humid climate conditions at 5.5 million years (Ma), likely receiving year-round rainfall, but after ~3.3 Ma, climate shifted toward an increasingly seasonal precipitation regime. The progressive constriction of the Indonesian Throughflow likely decreased continental humidity and transferred control of northwest Australian climate from the Pacific to the Indian Ocean, leading to drier conditions punctuated by monsoonal precipitation. The northwest dust pathway and fully established seasonal and orbitally controlled precipitation were in place by ~2.4 Ma, well after the intensification of Northern Hemisphere glaciation. The transition from humid to arid conditions was driven by changes in Pacific and Indian Ocean circulation and regional atmospheric moisture transport, influenced by the emerging Maritime Continent. We conclude that the Maritime Continent is the switchboard modulating teleconnections between tropical and high-latitude climate systems.
Persistent Identifierhttp://hdl.handle.net/10722/243578
ISSN
2017 Impact Factor: 4.339
2015 SCImago Journal Rankings: 3.323
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChristensen, B-
dc.contributor.authorRenema, W-
dc.contributor.authorHenderiks, J-
dc.contributor.authorDe Vleeschouwer, D-
dc.contributor.authorGroeneveld, J-
dc.contributor.authorCastaneda, I-
dc.contributor.authorReuning, L-
dc.contributor.authorBogus, K-
dc.contributor.authorAuer, G-
dc.contributor.authorIshiwa, T-
dc.contributor.authorMcHugh, C-
dc.contributor.authorGallagher, S-
dc.contributor.authorFulthorpe, C-
dc.contributor.authorMamo, BL-
dc.contributor.authorKominz, M-
dc.contributor.authorMcGregor, H-
dc.contributor.authorPetrick, B-
dc.contributor.authorTakayanagi, H-
dc.contributor.authorLevin, E-
dc.contributor.authorKorpanty, C-
dc.contributor.authorPotts, D-
dc.contributor.authorBranawal, S-
dc.contributor.authorFranco, D-
dc.contributor.authorGurnis, M-
dc.contributor.authorHaller, C-
dc.contributor.authorHe, Y-
dc.contributor.authorHimmler, T-
dc.contributor.authorIwatani, H-
dc.date.accessioned2017-08-25T02:56:43Z-
dc.date.available2017-08-25T02:56:43Z-
dc.date.issued2017-
dc.identifier.citationGeophysical Research Letters, 2017, v. 44, p. 6914-6925-
dc.identifier.issn0094-8276-
dc.identifier.urihttp://hdl.handle.net/10722/243578-
dc.description.abstractLate Miocene to mid-Pleistocene sedimentary proxy records reveal that northwest Australia underwent an abrupt transition from dry to humid climate conditions at 5.5 million years (Ma), likely receiving year-round rainfall, but after ~3.3 Ma, climate shifted toward an increasingly seasonal precipitation regime. The progressive constriction of the Indonesian Throughflow likely decreased continental humidity and transferred control of northwest Australian climate from the Pacific to the Indian Ocean, leading to drier conditions punctuated by monsoonal precipitation. The northwest dust pathway and fully established seasonal and orbitally controlled precipitation were in place by ~2.4 Ma, well after the intensification of Northern Hemisphere glaciation. The transition from humid to arid conditions was driven by changes in Pacific and Indian Ocean circulation and regional atmospheric moisture transport, influenced by the emerging Maritime Continent. We conclude that the Maritime Continent is the switchboard modulating teleconnections between tropical and high-latitude climate systems.-
dc.languageeng-
dc.publisherWiley-Blackwell Publishing, Inc. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1944-8007-
dc.relation.ispartofGeophysical Research Letters-
dc.rightsPreprint This is the pre-peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article]. Authors are not required to remove preprints posted prior to acceptance of the submitted version. Postprint This is the accepted version of the following article: [full citation], which has been published in final form at [Link to final article]. -
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleIndonesian Throughflow drove Australian climate form humid Pliocene to arid Pleistocene-
dc.typeArticle-
dc.identifier.emailMamo, BL: blmamo@hku.hk-
dc.identifier.emailIwatani, H: iwatani@hku.hk-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1002/2017GL072977-
dc.identifier.hkuros275250-
dc.identifier.volume44-
dc.identifier.spage6914-
dc.identifier.epage6925-
dc.identifier.isiWOS:000406257400052-
dc.publisher.placeUnited States-

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