Preliminary reseatch on the development history and environment of debris flows in Xihe county of Gansu Province

Zhao Shangxue; Zhang Zhengqiang

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Preliminary reseatch on the development history and environment of debris flows in Xihe county of Gansu Province

- Preliminary reseatch on the development history and environment of debris flows in Xihe county of Gansu Province
- Bulletin of Soiland Water Conservation Vol. 8, Issue 6, Pages: 27-35(1989)
- 作者机构：
  
  1. 中国科学院兰州冰川冻土研究所
  2. 甘肃省西和县水土保持科学试验站
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1989
- 稿件说明：
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Zhao Shangxue, Zhang Zhengqiang. Preliminary reseatch on the development history and environment of debris flows in Xihe county of Gansu Province[J]. Bulletin of Soiland Water Conservation, 1989, 8(6): 27-35.
DOI：

Zhao Shangxue, Zhang Zhengqiang. Preliminary reseatch on the development history and environment of debris flows in Xihe county of Gansu Province[J]. Bulletin of Soiland Water Conservation, 1989, 8(6): 27-35. DOI：

摘要

本文依据泥石流发育历史、地质地貌及降水等条件

对西和县泥石流的分布、成因以及发展趋势等进行了初步分析。分析认为

本县泥石流沿构造带、随岩性变化和人为破坏植被的地区分布。由此推断了泥石流的成因

探讨了泥石流形成与地形、固体物质储量、水源及新构造作用的关系

并得出本县泥石流发展的趋势将进入壮大阶段并日趋严重。

Abstract

Accoding to the debris flow development history

geological

geo-morphical and precipitation conditions

this experiment initially analysesthe distribution

cause and developing tendency of debris flows in Xihecounty. It is considered that the debris flows of this county distributesalong with structural beld with the changes of rock character and artificial destruction of vegetatin. Relying on these

the authors deduce the cau-ses of debris flows and discuss the forming of debris flows with relation totopography

the storage of solid materials

water supplies and new tectonicmovement. It at last draw the conclusion that the debris flows tend ofthis county will come into an expanding stage and become serious soon.

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