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Article: On the spatial relationship between landslides and causative factors on Lantau Island, Hong Kong

TitleOn the spatial relationship between landslides and causative factors on Lantau Island, Hong Kong
Authors
KeywordsGeographical information systems
Interactive mapping
Landslide
Spatial distribution pattern
Statistical spatial analysis
Issue Date2002
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/geomorph
Citation
Geomorphology, 2002, v. 43 n. 3-4, p. 197-207 How to Cite?
AbstractThis paper presents a statistical approach to study the spatial relationship between landslides and their causative factors at the regional level. The approach is based on digital databases, and incorporates such methods as statistics, spatial pattern analysis, and interactive mapping. Firstly, the authors propose an object-oriented conceptual model for describing a landslide event, and a combined database of landslides and environmental factors is constructed by integrating the various databases within such a conceptual framework. The statistical histogram, spatial overlay, and dynamic mapping methods are linked together to interactively evaluate the spatial pattern of the relationship between landslides and their causative factors. A case study of an extreme event in 1993 on Lantau Island indicates that rainfall intensity and the migration of the center of the rainstorm greatly influence the occurrence of landslides on Lantau Island. A regional difference in the relationship between landslides and topography is identified. Most of the landslides in the middle and western parts of the island occurred on slopes with slope angles of 25-35°, while in the eastern part, the corresponding range is 30-35°. Overlaying landslide data with land cover reveals that a large number of landslides occurred in the bareland and shrub-covered area, and in the transition zones between different vegetation types. The proposed approach can be used not only to analyze the general characteristics of such a relationship, but also to depict its spatial distribution and variation, thereby providing a sound basis for regional landslide prediction. © 2002 Elsevier Science B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/71123
ISSN
2015 Impact Factor: 2.813
2015 SCImago Journal Rankings: 1.441
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhou, CHen_HK
dc.contributor.authorLee, CFen_HK
dc.contributor.authorLi, Jen_HK
dc.contributor.authorXu, ZWen_HK
dc.date.accessioned2010-09-06T06:29:07Z-
dc.date.available2010-09-06T06:29:07Z-
dc.date.issued2002en_HK
dc.identifier.citationGeomorphology, 2002, v. 43 n. 3-4, p. 197-207en_HK
dc.identifier.issn0169-555Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/71123-
dc.description.abstractThis paper presents a statistical approach to study the spatial relationship between landslides and their causative factors at the regional level. The approach is based on digital databases, and incorporates such methods as statistics, spatial pattern analysis, and interactive mapping. Firstly, the authors propose an object-oriented conceptual model for describing a landslide event, and a combined database of landslides and environmental factors is constructed by integrating the various databases within such a conceptual framework. The statistical histogram, spatial overlay, and dynamic mapping methods are linked together to interactively evaluate the spatial pattern of the relationship between landslides and their causative factors. A case study of an extreme event in 1993 on Lantau Island indicates that rainfall intensity and the migration of the center of the rainstorm greatly influence the occurrence of landslides on Lantau Island. A regional difference in the relationship between landslides and topography is identified. Most of the landslides in the middle and western parts of the island occurred on slopes with slope angles of 25-35°, while in the eastern part, the corresponding range is 30-35°. Overlaying landslide data with land cover reveals that a large number of landslides occurred in the bareland and shrub-covered area, and in the transition zones between different vegetation types. The proposed approach can be used not only to analyze the general characteristics of such a relationship, but also to depict its spatial distribution and variation, thereby providing a sound basis for regional landslide prediction. © 2002 Elsevier Science B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/geomorphen_HK
dc.relation.ispartofGeomorphologyen_HK
dc.rightsGeomorphology. Copyright © Elsevier BV.en_HK
dc.subjectGeographical information systemsen_HK
dc.subjectInteractive mappingen_HK
dc.subjectLandslideen_HK
dc.subjectSpatial distribution patternen_HK
dc.subjectStatistical spatial analysisen_HK
dc.titleOn the spatial relationship between landslides and causative factors on Lantau Island, Hong Kongen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0169-555X&volume=43&spage=197&epage=207&date=2002&atitle=On+the+spatial+relationship+between+landslides+and+causative+factors+on+Lantau+Island,+Hong+Kongen_HK
dc.identifier.emailLee, CF: leecf@hkucc.hku.hken_HK
dc.identifier.authorityLee, CF=rp00139en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0169-555X(01)00130-1en_HK
dc.identifier.scopuseid_2-s2.0-0036176632en_HK
dc.identifier.hkuros70907en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036176632&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume43en_HK
dc.identifier.issue3-4en_HK
dc.identifier.spage197en_HK
dc.identifier.epage207en_HK
dc.identifier.isiWOS:000174045300002-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridZhou, CH=7403347013en_HK
dc.identifier.scopusauthoridLee, CF=8068602600en_HK
dc.identifier.scopusauthoridLi, J=26642960000en_HK
dc.identifier.scopusauthoridXu, ZW=36021728500en_HK

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