IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Alternative TitleDebris Flows Along the Xiaojiang River, DongChuan, Yunnan
陈循谦1; 杨文科1; 牛宪锟1; 康志成2; 章书成2; 陈景武2
Publication Place重庆
Keyword暴雨泥石流 小江流域 东川 云南
AbstractThe Xizang area has undergone strong uplift since Neogene. With unique natural conditions favourable to the occurrence and development of debris flows, it is one of the regions where debris flows are most developing and active in China. In Xizhang there are two kinds of water sourcesforming debris, i.e, rainwater and meltwater. The former causes rainfall debris flows, and the latter triggers glacial debris flows. The development and distribution of debris flows in Xizang vary with landforms and climate. In the interior of Xizang, debris flows are not developing for the weather is parching and cold. On the other hand, both types of debris flows are widdy distributed and strong in acitivity in mountainous region of Southeast and South Xizang with a humid and rainy climate,and much meltwater in summer. That is the chief region of debris flows in Xizang. The distribution of debris flows has a vertical zonation. Glacial debris flows orginate in the alpine ice and snow belt; rainfall debris flows in the forest or sparse brush belt. The activity of debris flows in Xizang with a long history is characterzied by rhythm, which is related to the rhythm of the climate and sesmic activity.
Other Abstract云南省东北部的小江流域是我国暴雨泥石流分布集中、暴发频繁、类型齐全、危害严重的地区之一。本文讨论了研究区的泥石流形成条件、分布和类型,以及危害。
Document Type专著章节文集论文
Recommended Citation
GB/T 7714
陈循谦,杨文科,牛宪锟,等. 云南东川小江泥石流. 重庆:科学技术出版社重庆分社,1981:13-19.
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