globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2015.05.023
Scopus记录号: 2-s2.0-84931748243
论文题名:
Evolving southwest African response to abrupt deglacial North Atlantic climate change events
作者: Chase B.M.; Boom A.; Carr A.S.; Carré M.; Chevalier M.; Meadows M.E.; Pedro J.B.; Stager J.; Reimer P.J.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2015
卷: 121
起始页码: 132
结束页码: 136
语种: 英语
英文关键词: Atlantic overturning meridional circulation ; Bipolar seesaw ; Hyrax middens ; Palaeoclimate ; Southern Africa
Scopus关键词: Climate models ; Bipolar seesaw ; Hyrax middens ; Meridional circulation ; Palaeoclimate ; Southern Africa ; Climate change ; climate modeling ; climate variation ; last deglaciation ; meridional circulation ; midden ; overturn ; paleoclimate ; proxy climate record ; teleconnection ; Younger Dryas ; Atlantic Ocean ; Atlantic Ocean (North) ; Southern Africa ; Procavia capensis ; Procaviidae
英文摘要: Climate change during the last deglaciation was strongly influenced by the 'bipolar seesaw', producing antiphase climate responses between the North and South Atlantic. However, mounting evidence demands refinements of this model, with the occurrence of abrupt events in southern low to mid latitudes occurring in-phase with North Atlantic climate. Improved constraints on the north-south phasing and spatial extent of these events are therefore critical to understanding the mechanisms that propagate abrupt events within the climate system. We present a 19,400 year multi-proxy record of climate change obtained from a rock hyrax midden in southernmost Africa. Arid anomalies in phase with the Younger Dryas and 8.2ka events are apparent, indicating a clear shift in the influence of the bipolar seesaw, which diminished as the Earth warmed, and was succeeded after ~14.6ka by the emergence of a dominant interhemispheric atmospheric teleconnection. © 2015 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59898
Appears in Collections:过去全球变化的重建

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作者单位: Centre National de Recherche Scientifique, UMR 5554, Institut des Sciences de l'Evolution-Montpellier, Département Environnements, Université Montpellier 2, Bat.22, CC061, Place Eugène Bataillon, Montpellier, cedex 5, France; Department of Geography, University of Leicester, Leicester, United Kingdom; Department of Environmental and Geographical Science, University of Cape Town, Private Bag X3, Rondebosch, South Africa; Centre for Ice and Climate, University of Copenhagen, Copenhagen, Denmark; Natural Sciences, Paul Smith's College, Paul Smiths, NY, United States; School of Geography, Archaeology and Palaeoecology, Queen's University Belfast, Belfast, Northern Ireland, United Kingdom

Recommended Citation:
Chase B.M.,Boom A.,Carr A.S.,et al. Evolving southwest African response to abrupt deglacial North Atlantic climate change events[J]. Quaternary Science Reviews,2015-01-01,121
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