Arid
THE QUATERNARY GLACIATION OF CHILE - A REVIEW
CLAPPERTON, CM
通讯作者CLAPPERTON, CM
来源期刊REVISTA CHILENA DE HISTORIA NATURAL
ISSN0716-078X
出版年1994
卷号67期号:4页码:369-383
英文摘要

A review of literature on the Quaternary glaciations of Chile shows that repeated advances occurred in the central and southern Andes. However, radiocarbon dated sequences have been obtained only for the last glaciation in the Chilean Lakes Region and in the Paine and Magallanes regions of Patagonia. These suggest that glacier lobes from the icefields advanced at least five times during the last glaciation. Reconstruction of palaeo-snowlines indicates that the climatic belts during the glacial interval were basically similar to the modern, but that effective precipitation was greater in the north (arid) of Chile, and that the humid westerlies in temperate latitudes were displaced 5-6-degrees to the north. Snowline descended 800-1000m. While glaciers in the Lakes Region reached their maximum extension at ca.20-21,000 yr BP, those in the south and north of the country may have been more extensive at ca.27,000 yr BP, due to the greater humidity available. Some glacier lobes from the southernmost icefields of Chile were still expanded at ca.12,000 yr BP and may have readvanced during the interval 12,000-9000 yr BP.


英文关键词SOUTHERN ANDES GLACIER DYNAMICS PALEO-SNOWLINES PALEOLAKES
类型Review
语种英语
收录类别SCI-E
WOS记录号WOS:A1994QE38700003
WOS类目Biodiversity Conservation ; Ecology
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/130662
推荐引用方式
GB/T 7714
CLAPPERTON, CM. THE QUATERNARY GLACIATION OF CHILE - A REVIEW[J],1994,67(4):369-383.
APA CLAPPERTON, CM.(1994).THE QUATERNARY GLACIATION OF CHILE - A REVIEW.REVISTA CHILENA DE HISTORIA NATURAL,67(4),369-383.
MLA CLAPPERTON, CM."THE QUATERNARY GLACIATION OF CHILE - A REVIEW".REVISTA CHILENA DE HISTORIA NATURAL 67.4(1994):369-383.
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