Debris Flow Types and Their Distribution in Zhejiang Province

YUE Li-xia; WANG Yong; YU Shu-jiao; FENG Hang-jian

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Debris Flow Types and Their Distribution in Zhejiang Province

- Debris Flow Types and Their Distribution in Zhejiang Province
- Bulletin of Soiland Water Conservation Vol. 29, Issue 6, Pages: 185-189(2010)
- 作者机构：
  
  浙江省地质矿产研究所,浙江,杭州,310007
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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YUE Li-xia, WANG Yong, YU Shu-jiao, et al. Debris Flow Types and Their Distribution in Zhejiang Province[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 185-189.
DOI：

YUE Li-xia, WANG Yong, YU Shu-jiao, et al. Debris Flow Types and Their Distribution in Zhejiang Province[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 185-189. DOI：

摘要

2005—2008年浙江省对全省48个山区县市的泥石流进行了全面调查及评价

查明有42个山区县市共发育过486处泥石流

其中沟谷泥石流347条

坡面泥石流139处。并对泥石流的类型及分布特征进行了分析研究。结果表明

浙江泥石流主要有沟谷型泥石流(灾害规模小

危害程度大)

滑坡、崩塌转化型泥石流

暴雨型泥石流等类型特征。在分布上主要受地形地貌、岩性构造及降水的控制

主要分布在火山岩区域

泥石流地质灾害发育的构造规律有沿深大断裂发育区域呈带状分布特点。在降水上受梅雨及台风交替控制

分布具有明显的"双峰"现象。

Abstract

In 2005—2008

Zhejiang Province made an inquiry and evaluation to the debris flows in 42 mountainous counties of the province.It was found that there were 486 debris flows at various scales in the whole province

among which there were about 347 gully debris flows and 139 slope debris flows.From the analyses and studies of debris flow types and their distribution characteristics

gully debris flow is the main type of debris flow

characterized by small scale

large damage

and landslide-collapse changing into debris flow.The distribution of debris flow is mainly controlled by landform

rock nature structure

and precipitation and it is mainly distributed in the volcanic area along big fractures.Debris flows have the obvious bimodal distribution form due to plum rain and typhoon.

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Related Institution

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