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The influences of topographic relief on spatial distribution of mountain settlements in Three Gorges Area
Hui, Yu1; Yong, Luo2; Liu Shaoquan1; Yong, Wang3; Yong, Yang4; Liu Weidong5
Corresponding AuthorYong, Luo
2015
Source PublicationENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
EISSN1866-6299
Volume74Issue:5Pages:4335-4344
SubtypeArticle
AbstractTopographic analysis is an important component of research on geomorphologic and surface process. The threshold value method was used to obtain the topographic relief of the study area based on 1:100,000 digital elevation model (DEM). Through mean change-point analysis method, the optimal statistical unit of topographic relief was determined as 0.15 km(2). The swath profile method was used to analyze topographic and geomorphological characteristics of the Three Gorges Area. Combined with geosciences research method, the spatial analysis technique was applied to quantitatively analyze the relationship between topographic relief and settlements as well as settlement density (SD) in the Three Gorges Area. The results show that: (1) The Three Gorges Area is mainly covered by hilly regions, accounting for 58.93 % of the study area. The cascade structure of planation surface is very significant. Northeast undulating mountains have greater topographic relief. The peaks are generally located at the elevation from 1500 to 2000 m, i.e., high planation surface; southwest low mountain valley regions have greater topographic relief. The summit level is generally located at the elevation from 500 to 1500 m, i.e., low planation surface with an elevation from 1200 to 1500 m, pediment with an elevation from 500 to 1200 m; the general elevation gradually decreases from east to west, showing a geomorphological shape as narrow ridge and wide valley. (2) Topographic relief is a key factor influencing the spatial distribution of mountain settlements. In the vertical direction, the mountain settlements have significant change characteristics. In the horizontal direction, the mountain settlements have significant spatial aggregation characteristics.
KeywordTopographic Relief Three Gorges Area Planation Surface Settlement Density
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1007/s12665-015-4443-2
WOS Subject ExtendedEnvironmental Sciences & Ecology ; Geology ; Water Resources
Indexed BySCI
WOS KeywordRESERVOIR AREA ; CHINA ; IMPACT ; UPLIFT ; TIBET
Language英语
Quartile4区
TOP
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000360401400057
Funding OrganizationNational Natural Science Foundation of China(41101552 ; Major State Basic Research Development Program of China (973 Program)(2015CB452706) ; Chinese Academy of Sciences(KZCX2-EW-317) ; West Light Foundation of The Chinese Academy of Sciences ; 41401198)
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10933
Collection山区发展研究中心
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Chengdu Univ Technol, Minist Land & Resource, Key Lab Geol Spatial Informat Technol, Chengdu 610059, Peoples R China
3.Sichuan Inst Land Planning & Survey, Chengdu 610041, Peoples R China
4.China Three Gorges Corp, Chengdu 610000, Peoples R China
5.Sichuan Acad Agr Sci, Inst Remote Sensing Applicat, Chengdu 610041, Peoples R China
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
Hui, Yu,Yong, Luo,Liu Shaoquan,et al. The influences of topographic relief on spatial distribution of mountain settlements in Three Gorges Area[J]. ENVIRONMENTAL EARTH SCIENCES,2015,74(5):4335-4344.
APA Hui, Yu,Yong, Luo,Liu Shaoquan,Yong, Wang,Yong, Yang,&Liu Weidong.(2015).The influences of topographic relief on spatial distribution of mountain settlements in Three Gorges Area.ENVIRONMENTAL EARTH SCIENCES,74(5),4335-4344.
MLA Hui, Yu,et al."The influences of topographic relief on spatial distribution of mountain settlements in Three Gorges Area".ENVIRONMENTAL EARTH SCIENCES 74.5(2015):4335-4344.
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