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Article: Connecting the city: A three-dimensional pedestrian network of Hong Kong

TitleConnecting the city: A three-dimensional pedestrian network of Hong Kong
Authors
KeywordsConnectivity
high-density city
three-dimensional
pedestrian network
urban design
Issue Date2019
PublisherSage Publications Ltd. The Journal's web site is located at http://journals.sagepub.com/home/epb
Citation
Environment and Planning B: Urban Analytics and City Science, 2019, Epub How to Cite?
AbstractThe purpose of the paper is to investigate how a three-dimensional pedestrian network reshapes connectivity and helps to integrate the built environment of high-density cities. Using the case of Hong Kong, first, we elaborate how a continuous three-dimensional network constitutes an entirely different urban morphological spatial hierarchy compared to two-dimensional because of the footbridge system, underground connected with metro stations, and paths connected with mall developments. Second, we construct a three-dimensional pedestrian network model classifying segments into 23 categories with multi-height levels (e.g. sidewalk, footbridge, underground, crosswalk, ramp, paths on the building roof). Then we map the three-dimensional network for Hong Kong territory in a geographic information system, finding that the three-dimensional pedestrian network is 2.4 times in length and 8.5 times in link size greater than the road network. Connectivity comparison through a betweenness measure found striking differences between the two networks and indicated that footbridges and underground links could enhance walkability when they are well connected with the ground-level networks. Since road networks are widely used as a proxy for pedestrian analysis, we suggest that active travel optimisation planning, especially in high-density cities, requires a bespoke three-dimensional pedestrian model. The three-dimensional pedestrian network, enabling multi-level city living in a vertical metropolis, is a fundamental consideration in urban planning and design practices for high-density cities.
Persistent Identifierhttp://hdl.handle.net/10722/279120
ISSN
2017 Impact Factor: 2.046

 

DC FieldValueLanguage
dc.contributor.authorSun, G-
dc.contributor.authorWebster, C-
dc.contributor.authorZhang, X-
dc.date.accessioned2019-10-21T02:19:56Z-
dc.date.available2019-10-21T02:19:56Z-
dc.date.issued2019-
dc.identifier.citationEnvironment and Planning B: Urban Analytics and City Science, 2019, Epub-
dc.identifier.issn2399-8083-
dc.identifier.urihttp://hdl.handle.net/10722/279120-
dc.description.abstractThe purpose of the paper is to investigate how a three-dimensional pedestrian network reshapes connectivity and helps to integrate the built environment of high-density cities. Using the case of Hong Kong, first, we elaborate how a continuous three-dimensional network constitutes an entirely different urban morphological spatial hierarchy compared to two-dimensional because of the footbridge system, underground connected with metro stations, and paths connected with mall developments. Second, we construct a three-dimensional pedestrian network model classifying segments into 23 categories with multi-height levels (e.g. sidewalk, footbridge, underground, crosswalk, ramp, paths on the building roof). Then we map the three-dimensional network for Hong Kong territory in a geographic information system, finding that the three-dimensional pedestrian network is 2.4 times in length and 8.5 times in link size greater than the road network. Connectivity comparison through a betweenness measure found striking differences between the two networks and indicated that footbridges and underground links could enhance walkability when they are well connected with the ground-level networks. Since road networks are widely used as a proxy for pedestrian analysis, we suggest that active travel optimisation planning, especially in high-density cities, requires a bespoke three-dimensional pedestrian model. The three-dimensional pedestrian network, enabling multi-level city living in a vertical metropolis, is a fundamental consideration in urban planning and design practices for high-density cities.-
dc.languageeng-
dc.publisherSage Publications Ltd. The Journal's web site is located at http://journals.sagepub.com/home/epb-
dc.relation.ispartofEnvironment and Planning B: Urban Analytics and City Science-
dc.rightsEnvironment and Planning B: Urban Analytics and City Science. Copyright © Sage Publications Ltd.-
dc.subjectConnectivity-
dc.subjecthigh-density city-
dc.subjectthree-dimensional-
dc.subjectpedestrian network-
dc.subjecturban design-
dc.titleConnecting the city: A three-dimensional pedestrian network of Hong Kong-
dc.typeArticle-
dc.identifier.emailSun, G: gbsun@hku.hk-
dc.identifier.emailWebster, C: cwebster@hku.hk-
dc.identifier.authoritySun, G=rp02274-
dc.identifier.authorityWebster, C=rp01747-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1177/2399808319847204-
dc.identifier.scopuseid_2-s2.0-85065543223-
dc.identifier.hkuros307720-
dc.identifier.spage239980831984720-
dc.identifier.epage239980831984720-
dc.publisher.placeUnited Kingdom-

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