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泥石流堆积扇地貌特征及其模型试验研究
Alternative TitleTHE GEOMORPHOLOGICAL CHARACTERISTICS OF DEBRIS FANS AND THEIR MODEL EXPERIMENTS
刘希林1; 唐林2; 张松林1; 陈明2
Corresponding Author刘希林
1992
Source Publication中国地质灾害与防治学报
ISSN1003-8035
Volume3Issue:4Pages:34-42+20
Abstract本研究通过大量泥石流堆积扇立体形态的统计分析,定量描述了堆积扇最大长度、最大宽度、最大厚度、最大幅角和平均纵坡五项主要地貌特征。根据堆积扇与泥石流体物质组成的基本一致牲,得出了粘性泥石流堆积扇颗粒级配的定量值。采用泥石流现场小规模模型实验研究的方法,探讨了堆积区坡度和泥石流容重对堆积扇平面和纵剖面形态的影响,得出了由堆积区坡度和泥石流容重确定堆积扇形态特征的一系列重要阈值。
Other AbstractThroughout the statistical analyses on a numerous three-dimensional shapes of debris fans, the paper has quantitatively described the geomorphfc characteristics of debris fans including the maximum length, width, thickness, range angle and mean slope angle. From the point of view of the accordance between the components of debris fan and debris flow body, the grain size distributions of, the components of debris fans are presented. Applying the small scale of model experiments of debris flow, thd influences of the gradients of depositional area and unit weights of debris flow on the plane shapes and longitudinal profiles of debris fans are discussed, and based on the gradients of depositional area and weights of debris flow, a series of key thresholds used to determine the shape characteristics of debris fans are obtained. In this paper its main points are discussde in detail.
Keyword泥石流堆积扇 地貌特征 模型试验
Subject Area灾害学
Language中文
Funding Organization国家自然科学基金资助项目(49000011);云南省科委基础研究基金资助项目(90D063)
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/3446
Collection成都山地所知识仓储(2009年以前)
行政与资产管理中心
Affiliation1.中国科学院水利部成都山地灾害与环境研究所
2.云南省地理研究所
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
刘希林,唐林,张松林,等. 泥石流堆积扇地貌特征及其模型试验研究[J]. 中国地质灾害与防治学报,1992,3(4):34-42+20.
APA 刘希林,唐林,张松林,&陈明.(1992).泥石流堆积扇地貌特征及其模型试验研究.中国地质灾害与防治学报,3(4),34-42+20.
MLA 刘希林,et al."泥石流堆积扇地貌特征及其模型试验研究".中国地质灾害与防治学报 3.4(1992):34-42+20.
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