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Article: Protection of urban trees from trenching damage in compact city environments

TitleProtection of urban trees from trenching damage in compact city environments
Authors
KeywordsRoot protection
Trenchless technology
Urban infrastructure
Urban tree
Issue Date2003
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/cities
Citation
Cities, 2003, v. 20 n. 2, p. 87-94 How to Cite?
AbstractTrees in greenspaces are an indicator of a city's livability and sustainability. Roadside trees furnish linear greenery that can permeate neighborhoods and serve landscape and amenity functions. They are subject to high-intensity stresses and often perform poorly. Trenching to reach or install utilities along pavements is a major cause of tree damage and subsequent decline. Erroneously, it has been believed that roots grow mainly downwards and hence trenching near a tree is relatively harmless to roots. Although modern research confirms the shallow but wide distribution of tree roots that can be seriously damaged by trenching, old trenching practice still persists in many cities. Installing cable television and optical-fiber networks, and the need to overhaul dilapidated utility lines in old cities, could bring massive damage to roadside trees and significantly degrade cityscape quality. Recent advances in trenchless technology could merge with the new understanding of root distribution to protect this valuable municipal asset. Utility pipes or cables could be inserted below or around the root envelope in a drilled or bored channel, while extant pipe channels could be used to rehabilitate an old line. The procedures and precautions for the application of trenchless methods on narrow pavements are proposed. © 2003 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/86275
ISSN
2015 Impact Factor: 2.051
2015 SCImago Journal Rankings: 1.422
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorJim, CYen_HK
dc.date.accessioned2010-09-06T09:14:54Z-
dc.date.available2010-09-06T09:14:54Z-
dc.date.issued2003en_HK
dc.identifier.citationCities, 2003, v. 20 n. 2, p. 87-94en_HK
dc.identifier.issn0264-2751en_HK
dc.identifier.urihttp://hdl.handle.net/10722/86275-
dc.description.abstractTrees in greenspaces are an indicator of a city's livability and sustainability. Roadside trees furnish linear greenery that can permeate neighborhoods and serve landscape and amenity functions. They are subject to high-intensity stresses and often perform poorly. Trenching to reach or install utilities along pavements is a major cause of tree damage and subsequent decline. Erroneously, it has been believed that roots grow mainly downwards and hence trenching near a tree is relatively harmless to roots. Although modern research confirms the shallow but wide distribution of tree roots that can be seriously damaged by trenching, old trenching practice still persists in many cities. Installing cable television and optical-fiber networks, and the need to overhaul dilapidated utility lines in old cities, could bring massive damage to roadside trees and significantly degrade cityscape quality. Recent advances in trenchless technology could merge with the new understanding of root distribution to protect this valuable municipal asset. Utility pipes or cables could be inserted below or around the root envelope in a drilled or bored channel, while extant pipe channels could be used to rehabilitate an old line. The procedures and precautions for the application of trenchless methods on narrow pavements are proposed. © 2003 Elsevier Science Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/citiesen_HK
dc.relation.ispartofCitiesen_HK
dc.subjectRoot protectionen_HK
dc.subjectTrenchless technologyen_HK
dc.subjectUrban infrastructureen_HK
dc.subjectUrban treeen_HK
dc.titleProtection of urban trees from trenching damage in compact city environmentsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0264-2751&volume=20&spage=87&epage=94&date=2003&atitle=Protection+of+urban+trees+from+trenching+damage+in+compact+city+environmentsen_HK
dc.identifier.emailJim, CY:hragjcy@hkucc.hku.hken_HK
dc.identifier.authorityJim, CY=rp00549en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0264-2751(02)00096-3en_HK
dc.identifier.scopuseid_2-s2.0-0037375606en_HK
dc.identifier.hkuros80657en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037375606&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume20en_HK
dc.identifier.issue2en_HK
dc.identifier.spage87en_HK
dc.identifier.epage94en_HK
dc.identifier.isiWOS:000181754800003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridJim, CY=7006143750en_HK

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