Research on the distribution of rural settlements in relation to landform factors in karst trough valley of Chongqing Municipality

ZHANG Xia; WEI Chao-fu; NI Jiu-pai; ZHANG Shi-chao

doi:10.3969/j.issn.1001-4810.2012.01.011

Volume 31 Issue 1

Mar. 2012

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ZHANG Xia, WEI Chao-fu, NI Jiu-pai, ZHANG Shi-chao. Research on the distribution of rural settlements in relation to landform factors in karst trough valley of Chongqing Municipality[J]. CARSOLOGICA SINICA, 2012, 31(1): 59-66. doi: 10.3969/j.issn.1001-4810.2012.01.011

Citation:

ZHANG Xia, WEI Chao-fu, NI Jiu-pai, ZHANG Shi-chao. Research on the distribution of rural settlements in relation to landform factors in karst trough valley of Chongqing Municipality[J]. CARSOLOGICA SINICA, 2012, 31(1): 59-66. doi: 10.3969/j.issn.1001-4810.2012.01.011

Citation:

ZHANG Xia, WEI Chao-fu, NI Jiu-pai, ZHANG Shi-chao. Research on the distribution of rural settlements in relation to landform factors in karst trough valley of Chongqing Municipality[J]. CARSOLOGICA SINICA, 2012, 31(1): 59-66. doi: 10.3969/j.issn.1001-4810.2012.01.011

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Research on the distribution of rural settlements in relation to landform factors in karst trough valley of Chongqing Municipality

doi: 10.3969/j.issn.1001-4810.2012.01.011

College of Resources and Environment, Southwest University / Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education

Received Date: 2011-06-20
Publish Date: 2012-03-25

Abstract

Abstract

Taking rural settlements of Tuanjie Village, Yunchi Town, Shizhu Tujia Autonomous County as the study case, distribution characteristics of rural settlements are analyzed in view of landform factors such as elevation, slope, aspect, terrain undulation, surface roughness, SOA (slope of aspect) and SOS (slope of slope).The study adopts the method of spatial analysis and geostatistics of GIS and applies frequency distribution index of landform – area and information entropy. The major results indicate the advantageous terrain habitats of rural settlements locate in areas with elevation 956.2~1000 m, slope 5~15 degree, aspect SW, W, NW and E, terrain undulation0~1 m, surface roughness1.0~1.1,SO A and SOS0~5 degree. The maximum of information entropy of rural settlements in the bottom of karst trough valley is 1.15, but the minimum is 0.02, which indicates that the orderliness of rural settlements distribution in the low terrain is higher.
- karst trough valley,
- distribution of rural settlements,
- landform factors,
- frequency distribution index of landform-area,
- information entropy

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Research on the distribution of rural settlements in relation to landform factors in karst trough valley of Chongqing Municipality

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Research on the distribution of rural settlements in relation to landform factors in karst trough valley of Chongqing Municipality

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