globalchange  > 气候变化与战略
DOI: 10.1016/j.earscirev.2020.103113
论文题名:
The deglaciation of the Americas during the Last Glacial Termination
作者: 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.
刊名: Earth Science Reviews
ISSN: 00128252
出版年: 2020
卷: 203
语种: 英语
中文关键词: Americas ; Deglaciation ; Glacial Chronology ; Late Pleistocene ; Termination-I
英文关键词: chronology ; deglaciation ; glacier ; Last Glacial Maximum ; paleoceanography ; paleoclimate ; paleotemperature ; precipitation (climatology) ; Central America ; North America ; South America
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.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166206
Appears in Collections:气候变化与战略

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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 Climate Change Institute, University of Maine, Orono, ME 04469, United States; Department of Geography, University of Northern Iowa, Cedar Falls, IA 50614-0406, United States; School of GeoSciences, University of Edinburgh, Drummond Street, Edinburgh, EH8 9XP, United Kingdom; Université Paris 1 Panthéon-Sorbonne, CNRS Laboratoire de Géographie Physique, Meudon, 92195, France; Byrd Polar and Climate Research Center, Ohio State University, 108 Scott Hall 1090 Carmack Rd, Columbus, OH 43210, United States; Millennium Nucleus Paleoclimate, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Chile; Instituto de Geografía, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna 4860, Macul, 7820436, Chile; Centro de Investigaciones en Ciencias de la Tierra (CONICET-Facultad de Ciencias Exactas, Físicas y Naturales, UNC), Vélez Sársfled 1611, Córdoba, X5016GCA, Argentina; Millennium Nucleus Paleoclimate, Center for Climate Research and Resilience, Institute of Ecology and Biodiversity, Chile; Department of Ecological Sciences, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago, Chile; North Cascades National Park, U.S. National Park Service, SedroWoolley, WA, United States; Millennium Nucleus Paleoclimate and Instituto de Geografía Pontificia Universidad Católica de Chile, Santiago, Chile; Geology and Environmental Geosciences, Northern Illinois University, DeKalb, IL 60115, United States; Instituto de Geografía, Universidad Nacional Autónoma de México, Ciudad Unversitaria, Ciudad de México, 04510, Mexico; Department of Atmospheric and Environmental Sciences, University at Albany, State University of New York (SUNY), Albany, NY 12222, United States; Department of Geology, University of Cincinnati, Cincinnati, OH 45224, United States

Recommended Citation:
Palacios D.,Stokes C.R.,Phillips F.M.,et al. The deglaciation of the Americas during the Last Glacial Termination[J]. Earth Science Reviews,2020-01-01,203
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