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Article: Landslides and sediment delivery to a drainage system: Some observations from Hong Kong

TitleLandslides and sediment delivery to a drainage system: Some observations from Hong Kong
Authors
KeywordsDebris trails
Fluvial action
Hillslopes
Landslides
Issue Date2005
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaes
Citation
Journal Of Asian Earth Sciences, 2005, v. 25 n. 5, p. 821-836 How to Cite?
AbstractThe delivery of sediment from hillslopes to a drainage system has been examined for Hong Kong. Landslides may influence sediment production in small upland drainage basins by the direct delivery of material to the channel, subsequent fluvial action on materials exposed in debris trails and erosion as the failure moves downslope, sometimes to become channelised. Evidence of the direct delivery of sediment by landslides is presented from a small drainage basin. On undeveloped terrain in Hong Kong, in general, less than half of the landslides deliver debris to the channel system. Examples of landslide debris volume exceeding that of source area failure in Hong Kong are presented and this relates to channelisation of debris flows. Revegetation of landslide debris trails may be quite rapid and this restricts the time for fluvial action on the exposed materials. The temporal aspect of sediment delivery has been documented. Rainfall events that are guaranteed to generate large numbers of landslides are relatively rare. © 2004 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/86339
ISSN
2015 Impact Factor: 2.647
2015 SCImago Journal Rankings: 1.393
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorPeart, MRen_HK
dc.contributor.authorNg, KYen_HK
dc.contributor.authorZhang, DDen_HK
dc.date.accessioned2010-09-06T09:15:38Z-
dc.date.available2010-09-06T09:15:38Z-
dc.date.issued2005en_HK
dc.identifier.citationJournal Of Asian Earth Sciences, 2005, v. 25 n. 5, p. 821-836en_HK
dc.identifier.issn1367-9120en_HK
dc.identifier.urihttp://hdl.handle.net/10722/86339-
dc.description.abstractThe delivery of sediment from hillslopes to a drainage system has been examined for Hong Kong. Landslides may influence sediment production in small upland drainage basins by the direct delivery of material to the channel, subsequent fluvial action on materials exposed in debris trails and erosion as the failure moves downslope, sometimes to become channelised. Evidence of the direct delivery of sediment by landslides is presented from a small drainage basin. On undeveloped terrain in Hong Kong, in general, less than half of the landslides deliver debris to the channel system. Examples of landslide debris volume exceeding that of source area failure in Hong Kong are presented and this relates to channelisation of debris flows. Revegetation of landslide debris trails may be quite rapid and this restricts the time for fluvial action on the exposed materials. The temporal aspect of sediment delivery has been documented. Rainfall events that are guaranteed to generate large numbers of landslides are relatively rare. © 2004 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaesen_HK
dc.relation.ispartofJournal of Asian Earth Sciencesen_HK
dc.subjectDebris trailsen_HK
dc.subjectFluvial actionen_HK
dc.subjectHillslopesen_HK
dc.subjectLandslidesen_HK
dc.titleLandslides and sediment delivery to a drainage system: Some observations from Hong Kongen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1367-9120&volume=25&spage=821&epage=836&date=2005&atitle=Landslides+and+Sediment+Delivery+to+a+Drainage+System:+Some+Observations+from+Hong+Kong+en_HK
dc.identifier.emailPeart, MR:mrpeart@hkucc.hku.hken_HK
dc.identifier.emailZhang, DD:zhangd@hkucc.hku.hken_HK
dc.identifier.authorityPeart, MR=rp00612en_HK
dc.identifier.authorityZhang, DD=rp00649en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jseaes.2004.08.004en_HK
dc.identifier.scopuseid_2-s2.0-23344449445en_HK
dc.identifier.hkuros119287en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-23344449445&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume25en_HK
dc.identifier.issue5en_HK
dc.identifier.spage821en_HK
dc.identifier.epage836en_HK
dc.identifier.isiWOS:000231401300011-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridPeart, MR=7003362850en_HK
dc.identifier.scopusauthoridNg, KY=7403178546en_HK
dc.identifier.scopusauthoridZhang, DD=9732911600en_HK

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