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川藏公路安久拉山至古乡段雪崩分布规律
Alternative TitleAvalanche Distribution Analysis in Anjoula Mountain to Guxiang Section of Sichuan-Tibet Highway
赵鑫1; 程尊兰2; 李亚军4; 杨天军1; 强巴3
Corresponding Author程尊兰
2015
Source Publication山地学报
ISSN1008-2186
Volume33Issue:4Pages:480-487
Abstract根据对川藏公路安久拉山至古乡段调查所得的90处雪崩资料,运用统计方法得出研究区雪崩的分布情况。通过对该区灾害的发育与流域地貌的相关关系分析,发现安久拉山至古乡段的雪崩分布规律与地貌特征因子之间具有以下特性:1雪崩主要分布在上游4 300~4 900 m峡谷地貌区段,海拔过高和过低较少发育;2雪崩分布相对高差在300~1 100 m,占总数的74.44%;3雪崩主要分布地形坡度为30°~40°,大于或小于这个范围较少发育;4雪崩主要分布在阳坡。
Other AbstractThe characteristics of avalanche distribution. We counted and analyzed the 90 avalanche locations. And found the characteristics of avalanche distribution on space. Further, we analyzed the relationship between avalanche distribution and topographic factors, such as altitude, slope, aspect, relative elevation. Through statistical analysis, we obtain the characteristics of avalanche distribution: Avalanche geomorphology effect, that avalanche is mainly distributed in the upper reaches of the canyon area; Avalanche altitude effect, that the avalanche is mainly distributed in the 4 300~4 900 m height range, the area where too high and too low avalanche are less developed; (Relative elevation of the avalanche effect, that the majority of avalanche relative elevation between 300~1 100 m, accounting for 74.44%, the relative elevation is a concrete manifestation of the avalanche of matter and energy; Avalanche slope effect, that avalanche of the study area are most distribute in the range of 30°~ 40°, avalanche on larger or smaller slope than this interregional are less developed; Avalanche aspect effect, that shady significantly compared to the number of sunny slope avalanche dominant.
Keyword雪崩 空间分布 川藏公路 安久拉山至古乡段
DOI10.16089/j.cnki.1008-2786.000059
Indexed ByCSCD
Language中文
CSCD IDCSCD:5642058
Funding Organization科技部科研项目(2012FY111400) ; 环保部科研项目(201209028)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10873
Collection山地灾害与地表过程重点实验室
Affiliation1.云南省交通规划设计研究院陆地交通气象灾害防治技术国家工程实验室
2.中国科学院水利部成都山地灾害与环境研究所
3.交通运输部科学研究院
4.西藏自治区交通工程质量安全监督局
Recommended Citation
GB/T 7714
赵鑫,程尊兰,李亚军,等. 川藏公路安久拉山至古乡段雪崩分布规律[J]. 山地学报,2015,33(4):480-487.
APA 赵鑫,程尊兰,李亚军,杨天军,&强巴.(2015).川藏公路安久拉山至古乡段雪崩分布规律.山地学报,33(4),480-487.
MLA 赵鑫,et al."川藏公路安久拉山至古乡段雪崩分布规律".山地学报 33.4(2015):480-487.
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