The patchwork loess of Central Asia: Implications for interpreting aeolian dynamics and past climate circulation in piedmont regions

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Autor(es): dc.contributorMax Planck Institute for Chemistry-
Autor(es): dc.contributorUniversity of Tübingen-
Autor(es): dc.contributorCzech Academy of Sciences-
Autor(es): dc.contributorCRL Radiocarbon Laboratory-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorMinistry for Education and Science of the Republic of Kazakhstan-
Autor(es): dc.creatorDave, Aditi K.-
Autor(es): dc.creatorLisá, Lenka-
Autor(es): dc.creatorScardia, Giancarlo-
Autor(es): dc.creatorNigmatova, Saida-
Autor(es): dc.creatorFitzsimmons, Kathryn E.-
Data de aceite: dc.date.accessioned2025-08-21T22:24:50Z-
Data de disponibilização: dc.date.available2025-08-21T22:24:50Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-05-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1002/jqs.3493-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/246656-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/246656-
Descrição: dc.descriptionReconstruction of mass accumulation rates (MARs) in loess deposits are widely used for interpreting long-term aeolian transport and climate dynamics in terrestrial environments. However, these interpretations are often driven by a preponderance of reconstructions from individual or selected sites, which can bias our understanding of past climate, especially in the absence of other proxy information. Recent studies on MARs from multiple loess sites in Arid Central Asia (ACA) reveal disparities in the timing of peaks in accumulation between sites, as well as asynchronies with loess flux in the Chinese Loess Plateau (CLP). We investigate this issue by (1) dating five new sites from the western Ili Basin, therefore extending the spatial cover of loess chronologies across ACA and (2) combining that with MARs from >30 sites across ACA and the CLP over the last 60 ka. Our results indicate spatio-temporal inhomogeneity in the timing and rate of loess deposition across the ACA, and highlight the importance of interrogating local and regional influences on dust supply and transport. Our synthesis of MARs from ACA and the CLP suggests that the timing of peak dust flux as an indicator of large-scale climate dynamics is best derived from an aggregate of sites; this removes site-specific bias where local processes or topographic settings outweigh the climate signature.-
Descrição: dc.descriptionResearch Group for Terrestrial Palaeoclimates Max Planck Institute for Chemistry-
Descrição: dc.descriptionDepartment of Geosciences University of Tübingen, Schnarrenbergstrasse 94-96-
Descrição: dc.descriptionInstitute of Geology Czech Academy of Sciences-
Descrição: dc.descriptionNuclear Physics Institute of the Czech Academy of Sciences CRL Radiocarbon Laboratory, Na Truhlářce 39/64-
Descrição: dc.descriptionInstituto de Geociências e Ciências Exatas Universidade Estadual Paulista (UNESP)-
Descrição: dc.descriptionInstitute of Geological Sciences K. Satpaeva Ministry for Education and Science of the Republic of Kazakhstan-
Descrição: dc.descriptionInstituto de Geociências e Ciências Exatas Universidade Estadual Paulista (UNESP)-
Formato: dc.format526-543-
Idioma: dc.languageen-
Relação: dc.relationJournal of Quaternary Science-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCentral Asia-
Palavras-chave: dc.subjectChinese Loess Plateau-
Palavras-chave: dc.subjectloess-
Palavras-chave: dc.subjectluminescence dating-
Palavras-chave: dc.subjectmass accumulation rates-
Título: dc.titleThe patchwork loess of Central Asia: Implications for interpreting aeolian dynamics and past climate circulation in piedmont regions-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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