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Concurrent Asian monsoon strengthening and early modern human dispersal to East Asia during the last interglacial

dc.rights.licenseopenen_US
hal.structure.identifierInstitute of Earth Environment [Xi’an] [IEE]
dc.contributor.authorAO, Hong
dc.contributor.authorRUAN, Jiaoyang
dc.contributor.authorMARTINÓN-TORRES, María
dc.contributor.authorKRAPP, Mario
dc.contributor.authorLIEBRAND, Diederik
dc.contributor.authorDEKKERS, Mark
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorCALEY, Thibaut
dc.contributor.authorJONELL, Tara
hal.structure.identifierChina University of Geosciences [Wuhan] [CUG]
dc.contributor.authorZHU, Zongmin
hal.structure.identifierChina University of Geosciences [Wuhan] [CUG]
dc.contributor.authorHUANG, Chunju
hal.structure.identifierChina University of Geosciences [Wuhan] [CUG]
dc.contributor.authorLI, Xinxia
dc.contributor.authorZHANG, Ziyun
dc.contributor.authorSUN, Qiang
hal.structure.identifierChina University of Geosciences [Wuhan] [CUG]
dc.contributor.authorYANG, Pingguo
hal.structure.identifierChina University of Geosciences [Wuhan] [CUG]
dc.contributor.authorJIANG, Jiali
hal.structure.identifierInstitute of Earth Environment [Xi’an] [IEE]
dc.contributor.authorLI, Xinzhou
hal.structure.identifierInstitute of Earth Environment [Xi’an] [IEE]
dc.contributor.authorXIE, Xiaoxun
hal.structure.identifierInstitute of Earth Environment [Xi’an] [IEE]
dc.contributor.authorSONG, Yougui
hal.structure.identifierInstitute of Earth Environment [Xi’an] [IEE]
dc.contributor.authorQIANG, Xiaoke
hal.structure.identifierInstitute of Earth Environment [Xi’an] [IEE]
dc.contributor.authorZHANG, Peng
hal.structure.identifierInstitute of Earth Environment [Xi’an] [IEE]
dc.contributor.authorAN, Zhisheng
dc.date.accessioned2025-03-26T10:18:56Z
dc.date.available2025-03-26T10:18:56Z
dc.date.issued2024-01-08
dc.identifier.issn0027-8424en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/205689
dc.description.abstractEnThe relationship between initial Homo sapiens dispersal from Africa to East Asia and the orbitally paced evolution of the Asian summer monsoon (ASM)—currently the largest monsoon system—remains underexplored due to lack of coordinated synthesis of both Asian paleoanthropological and paleoclimatic data. Here, we investigate orbital-scale ASM dynamics during the last 280 thousand years (kyr) and their likely influences on early H. sapiens dispersal to East Asia, through a unique integration of i) new centennial-resolution ASM records from the Chinese Loess Plateau, ii) model-based East Asian hydroclimatic reconstructions, iii) paleoanthropological data compilations, and iv) global H. sapiens habitat suitability simulations. Our combined proxy- and model-based reconstructions suggest that ASM precipitation responded to a combination of Northern Hemisphere ice volume, greenhouse gas, and regional summer insolation forcing, with cooccurring primary orbital cycles of ~100-kyr, 41-kyr, and ~20-kyr. Between ~125 and 70 kyr ago, summer monsoon rains and temperatures increased in vast areas across Asia. This episode coincides with the earliest H. sapiens fossil occurrence at multiple localities in East Asia. Following the transcontinental increase in simulated habitat suitability, we suggest that ASM strengthening together with Southeast African climate deterioration may have promoted the initial H. sapiens dispersal from their African homeland to remote East Asia during the last interglacial.
dc.description.sponsorshipévaluer le cycle HYDrologique aux basses latitudes dans les modèles numéRiques de climAt en conTraignant les changements passés de salinitE de l'océan.en_US
dc.language.isoENen_US
dc.subject.enpaleoclimate
dc.subject.enloess
dc.subject.enenvironmental magnetism
dc.subject.enhuman dispersal
dc.subject.enAsian monsoon
dc.title.enConcurrent Asian monsoon strengthening and early modern human dispersal to East Asia during the last interglacial
dc.typeArticle de revueen_US
dc.identifier.doi10.1073/pnas.2308994121en_US
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Climatologieen_US
bordeaux.journalProceedings of the National Academy of Sciences of the United States of Americaen_US
bordeaux.pagee2308994121en_US
bordeaux.volume121en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue3en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamPALEOen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcehal
hal.identifierhal-04505781
hal.version1
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcehal
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Proceedings%20of%20the%20National%20Academy%20of%20Sciences%20of%20the%20United%20States%20of%20America&rft.date=2024-01-08&rft.volume=121&rft.issue=3&rft.spage=e2308994121&rft.epage=e2308994121&rft.eissn=0027-8424&rft.issn=0027-8424&rft.au=AO,%20Hong&RUAN,%20Jiaoyang&MARTIN%C3%93N-TORRES,%20Mar%C3%ADa&KRAPP,%20Mario&LIEBRAND,%20Diederik&rft.genre=article


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