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THE QUATERNARY GLACIATION OF CHILE - A REVIEW | |
CLAPPERTON, CM | |
通讯作者 | CLAPPERTON, CM |
来源期刊 | REVISTA CHILENA DE HISTORIA NATURAL
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ISSN | 0716-078X |
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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