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Article: Development potential of sky gardens in the compact city of Hong Kong

TitleDevelopment potential of sky gardens in the compact city of Hong Kong
Authors
KeywordsCompact City
Green Roof
Greenspace Planning
Podium Garden
Urban Green Space
Vegetation Configuration
Issue Date2012
PublisherUrban und Fischer Verlag. The Journal's web site is located at http://www.elsevier.com/locate/ufug
Citation
Urban Forestry And Urban Greening, 2012 How to Cite?
AbstractSky gardens have been actively studied and installed in different cities. Their development potential in compact developing cities has received little attention. Using remote sensing and GIS techniques, this study evaluates the vegetation configuration and development potential of sky gardens in urban Hong Kong, their underlying location, land use and building factors, and future planning and implementation concerns. Existing sky garden area is limited with sparse vegetation cover and low biomass. Existing podium gardens exceed roof gardens by about nine times. District development age has little effect on existing and potential sky gardens. Old towns have higher potential roof and podium gardens than new towns in most land uses. The effect of land use on potential sky gardens varies greatly by districts. Buildings with 10-20 floors have higher potential roof gardens in most districts. Building area is the main determinant of potential roof garden, and population density of potential podium gardens. Three scenarios of realization, namely minimum (20%), medium (50%) and maximum (80%), are adopted to project sky garden provision in individual districts. The projection extends to the contribution of new sky gardens to urban greening in terms of green cover and greening rate in districts. The challenges include susceptibility to typhoon damage in high-rise exposed sites, aggressive weed invasion, lack of roof-slab loading data in old buildings, and poor building maintenance. The opportunities include affordability of the new technology, enabling government policy, and establishment of scientific and research foundation in the local context. The development strategy could aim squarely at stringent technical standards and contractor skill requirement, and programme prioritization based on research findings. The study provides useful hints, approaches and recommendations for a systematic sky-garden action plan in Hong Kong and other similar compact cities. © 2012 Elsevier GmbH. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/157940
ISSN
2015 Impact Factor: 2.006
2015 SCImago Journal Rankings: 1.193
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTian, Yen_US
dc.contributor.authorJim, CYen_US
dc.date.accessioned2012-08-08T08:56:25Z-
dc.date.available2012-08-08T08:56:25Z-
dc.date.issued2012en_US
dc.identifier.citationUrban Forestry And Urban Greening, 2012en_US
dc.identifier.issn1618-8667en_US
dc.identifier.urihttp://hdl.handle.net/10722/157940-
dc.description.abstractSky gardens have been actively studied and installed in different cities. Their development potential in compact developing cities has received little attention. Using remote sensing and GIS techniques, this study evaluates the vegetation configuration and development potential of sky gardens in urban Hong Kong, their underlying location, land use and building factors, and future planning and implementation concerns. Existing sky garden area is limited with sparse vegetation cover and low biomass. Existing podium gardens exceed roof gardens by about nine times. District development age has little effect on existing and potential sky gardens. Old towns have higher potential roof and podium gardens than new towns in most land uses. The effect of land use on potential sky gardens varies greatly by districts. Buildings with 10-20 floors have higher potential roof gardens in most districts. Building area is the main determinant of potential roof garden, and population density of potential podium gardens. Three scenarios of realization, namely minimum (20%), medium (50%) and maximum (80%), are adopted to project sky garden provision in individual districts. The projection extends to the contribution of new sky gardens to urban greening in terms of green cover and greening rate in districts. The challenges include susceptibility to typhoon damage in high-rise exposed sites, aggressive weed invasion, lack of roof-slab loading data in old buildings, and poor building maintenance. The opportunities include affordability of the new technology, enabling government policy, and establishment of scientific and research foundation in the local context. The development strategy could aim squarely at stringent technical standards and contractor skill requirement, and programme prioritization based on research findings. The study provides useful hints, approaches and recommendations for a systematic sky-garden action plan in Hong Kong and other similar compact cities. © 2012 Elsevier GmbH. All rights reserved.en_US
dc.languageengen_US
dc.publisherUrban und Fischer Verlag. The Journal's web site is located at http://www.elsevier.com/locate/ufugen_US
dc.relation.ispartofUrban Forestry and Urban Greeningen_US
dc.subjectCompact Cityen_US
dc.subjectGreen Roofen_US
dc.subjectGreenspace Planningen_US
dc.subjectPodium Gardenen_US
dc.subjectUrban Green Spaceen_US
dc.subjectVegetation Configurationen_US
dc.titleDevelopment potential of sky gardens in the compact city of Hong Kongen_US
dc.typeArticleen_US
dc.identifier.emailJim, CY:hragjcy@hkucc.hku.hken_US
dc.identifier.authorityJim, CY=rp00549en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.ufug.2012.03.003en_US
dc.identifier.scopuseid_2-s2.0-84863784276-
dc.identifier.hkuros207797-
dc.identifier.isiWOS:000308902100001-
dc.publisher.placeGermanyen_US
dc.identifier.scopusauthoridTian, Y=7402841077en_US
dc.identifier.scopusauthoridJim, CY=7006143750en_US

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