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DOI10.1016/j.earscirev.2020.103113
The deglaciation of the Americas during the Last Glacial Termination
Palacios D.; Stokes C.R.; Phillips F.M.; Clague J.J.; Alcalá-Reygosa J.; Andrés N.; Angel I.; Blard P.-H.; Briner J.P.; Hall B.L.; Dahms D.; Hein A.S.; Jomelli V.; Mark B.G.; Martini M.A.; Moreno P.; Riedel J.; Sagredo E.; Stansell N.D.; Vázquez-Selem L.; Vuille M.; Ward D.J.
发表日期2020
ISSN0012-8747
卷号203
英文摘要This paper reviews current understanding of deglaciation in North, Central and South America from the Last Glacial Maximum to the beginning of the Holocene. Together with paleoclimatic and paleoceanographic data, we compare and contrast the pace of deglaciation and the response of glaciers to major climate events. During the Global Last Glacial Maximum (GLGM, 26.5-19 ka), average temperatures decreased 4° to 8°C in the Americas, but precipitation varied strongly throughout this large region. Many glaciers in North and Central America achieved their maximum extent during the GLGM, whereas others advanced even farther during the subsequent Heinrich Stadial 1 (HS-1). Glaciers in the Andes also expanded during the GLGM, but that advance was not the largest, except on Tierra del Fuego. HS-1 (17.5-14.6 ka) was a time of general glacier thickening and advance throughout most of North and Central America, and in the tropical Andes; however, glaciers in the temperate and subpolar Andes thinned and retreated during this period. During the Bølling-Allerød interstadial (B-A, 14.6-12.9 ka), glaciers retreated throughout North and Central America and, in some cases, completely disappeared. Many glaciers advanced during the Antarctic Cold Reversal (ACR, 14.6-12.9 ka) in the tropical Andes and Patagonia. There were small advances of glaciers in North America, Central America and in northern South America (Venezuela) during the Younger Dryas (12.9-11.7 ka), but glaciers in central and southern South America retreated during this period, except on the Altiplano where advances were driven by an increase in precipitation. Taken together, we suggest that there was a climate compensation effect, or ‘seesaw’, between the hemispheres, which affected not only marine currents and atmospheric circulation, but also the behavior of glaciers. This seesaw is consistent with the opposing behavior of many glaciers in the Northern and Southern Hemispheres. © 2020 Elsevier B.V.
英文关键词Americas; Deglaciation; Glacial Chronology; Late Pleistocene; Termination-I
语种英语
scopus关键词chronology; deglaciation; glacier; Last Glacial Maximum; paleoceanography; paleoclimate; paleotemperature; precipitation (climatology); Central America; North America; South America
来源期刊EARTH-SCIENCE REVIEWS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/209676
作者单位Department of Geography, Complutense University, Madrid, 28040, Spain; Department of Geography, Durham University, Durham, DH1 3LE, United Kingdom; Earth & Environmental Science Department, New Mexico Institute of Mining & Technology, 801 Leroy Place, Socorro, NM 87801, United States; Department of Earth Sciences, Simon Fraser University, 8888 University Dr. Burnaby, Brtish Columbia, V5A 1S6, Canada; Facultad de Filosofía y Letras, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, 04510, Mexico; Departamento de Ciencias de la Tierra, Universidad Simón Bolívar, 89000, Caracas, 1081-A, Venezuela; Centre de Recherches Pétrographiques et Géochimiques (CRPG), CNRS - Université de Lorraine, UMR 7358, 15 rue Notre Dame des Pauvres, Vandoeuvre-lès-Nancy, 54500, France; Laboratoire de Glaciologie, DGES-IGEOS, Université Libre de Bruxelles, Bruxelles, 1050, Belgium; Department of Geology, University at Buffalo, Buffalo, NY 14260, United States; Department of Earth Sciences and the C...
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GB/T 7714
Palacios D.,Stokes C.R.,Phillips F.M.,et al. The deglaciation of the Americas during the Last Glacial Termination[J],2020,203.
APA Palacios D..,Stokes C.R..,Phillips F.M..,Clague J.J..,Alcalá-Reygosa J..,...&Ward D.J..(2020).The deglaciation of the Americas during the Last Glacial Termination.EARTH-SCIENCE REVIEWS,203.
MLA Palacios D.,et al."The deglaciation of the Americas during the Last Glacial Termination".EARTH-SCIENCE REVIEWS 203(2020).
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