Relationship between the distribution of periglacial landforms and glaciation history, Fildes Peninsula, King George Island, Antarctica

被引:0
作者
Zhu, C [1 ]
Cui, ZJ [1 ]
Zhang, JX [1 ]
机构
[1] BEIJING UNIV, DEPT GEOG, BEIJING 100871, PEOPLES R CHINA
关键词
periglacial landforms; Antarctica; glaciation;
D O I
10.1002/(SICI)1099-1530(199601)7:1<95::AID-PPP206>3.0.CO;2-3
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
Three kinds of profile assemblage features show that periglacial landforms have an internal relationship in genesis. For example, where there is a rich weathering debris, the dominant landforms are talus, black slopes, mass movement features, and mega-grained sorted forms. Where the debris material is silty, fine-grained periglacial forms (for example, gelifluction steps and striated soils) dominate. Where the debris source is limited, talus only appears at the south-east side of periglacial tors and hilltops; the major periglacial forms are striated soils and muddy sorted circles. In general, periglacial landforms show a difference between stoss and leeward slopes.
引用
收藏
页码:95 / 100
页数:6
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