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作者

Yijia Tang;Yating Xie;Bing Sun;Zezhou Hao;Nancai Pei

来源

URBAN FORESTRY & URBAN GREENING,Vol.76,Issue1,Article 127711

语言

英文

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作者单位

Original article"}]},{"#name":"title","$":{"id":"tit0005"},"_":"Greenway service supply and public demand in Guangzhou city, China"}],"floats":[],"footnotes":[],"attachments":[]},"vol-first":"76","vol-iss-suppl-text":"Volume 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service supply and public demand in Guangzhou city, China","usesAbstractUrl":true,"renderingMode":"Preview","isAbstract":true,"isContentVisible":false,"ajaxLinks":{"authorMetadata":true},"eligibleForUniversalPdf":false,"pdfEmbed":false,"displayViewFullText":false},"authors":{"content":[{"#name":"author-group","$":{"id":"ag0005"},"$$":[{"#name":"author","$":{"id":"au0005","author-id":"S1618866722002540-7b9b0b2669a70a516afa8607450498a4"},"$$":[{"#name":"given-name","_":"Yijia;Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, China;Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, China;Department of Agribusiness and Bioresource Economics, Faculty of Agriculture, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;Department of Built Environment, Aalto University School of Engineering, P.O. Box 14100, FI-00076 Aalto, Finland;Department of Geography and Geology, University of Turku, 20014 Turku, Finland;Finnish Geospatial Research Institute FGI, Geodeetinrinne 2, FI-02430 Masala, Finland;Forum Virium Helsinki Oy, Unioninkatu 24, FI-00130 Helsinki, Finland;Original article"}]},{"#name":"title","$":{"id":"tit0005"},"_":"Auditing an urban park deck with 3D geovisualization—A comparison of in-situ and VR walk-along interviews"}],"floats":[],"footnotes":[],"attachments":[]},"openArchive":false,"openAccess":true,"document-subtype":"fla","content-family":"serial","contentType":"JL","abstract":{"$$":[{"$$":[{"$":{"id":"sect0005"},"#name":"section-title","_":"Abstract"},{"$$":[{"$":{"view":"all","id":"sp0065"},"#name":"simple-para","_":"Virtual reality-based urban audit methods are gaining increasing attention; however, most virtual urban audit studies have focused on panoramic views. The 3D city model-based geovisualizations have remained until now rather unexplored in user studies for urban audits and for communicative urban planning. We explored the feasibility of a 3D geovisualization-based urban audit in virtual reality (VR) for assessing the perceived quality of an urban park deck in Helsinki, Finland. For this purpose, we created a photorealistic and geometrically accurate 3D model (Bryga 3D) based on photogrammetric and laser scanning data. Bryga 3D was implemented on a game engine to be viewed with a head-mounted VR display. Bryga 3D’s ability to convey information in a subjective urban audit, that is, subjectively perceived affordances of a park deck, was tested in a walk-along interview study comparing auditing in situ and via the VR method. A comparison of the results with in-situ (n = 13) and VR interviews (n = 21) show that the perception of several tangible elements, such as spatial division, landforms, paths, and chairs when using Bryga VR was similar to when performed in situ. Perception of vegetation was weaker in VR in terms of its detailed quality, which somewhat affected the presented development ideas and assessment of the seasonal context. Also, weaker perception of the surroundings and city context affected the results in VR. However, considering that Bryga 3D presents an example of a highly automated 3D city modeling process conducted with minimal manual work, its results are encouraging for future attempts to advance such realizations for the purposes of communicative urban planning. 3D geovisualization-based virtual audits could be used when urban green space audits are not possible or when they are demanding to implement in situ."}],"$":{"view":"all","id":"abs0010"},"#name":"abstract-sec"}],"$":{"view":"all","id":"ab0010","class":"author"},"#name":"abstract"},{"$$":[{"$":{"id":"sect0010"},"#name":"section-title","_":"Highlights"},{"$$":[{"$$":[{"$$":[{"$$":[{"#name":"label","_":"•"},{"$":{"view":"all","id":"p0005"},"#name":"para","_":"Urban audits for subjective affordances could benefit from 3D geovisualizations."}],"$":{"id":"u0005"},"#name":"list-item"},{"$$":[{"#name":"label","_":"•"},{"$":{"view":"all","id":"p0010"},"#name":"para","_":"Actions and tangible objects of a park were perceived in VR much like in situ."}],"$":{"id":"u0010"},"#name":"list-item"},{"$$":[{"#name":"label","_":"•"},{"$":{"view":"all","id":"p0015"},"#name":"para","_":"Visualization of key items, like fencing and vegetation, should be of decent quality."}],"$":{"id":"u0015"},"#name":"list-item"},{"$$":[{"#name":"label","_":"•"},{"$":{"view":"all","id":"p0020"},"#name":"para","_":"Embedded panoramic photographs in the automated 3D model support perception."}],"$":{"id":"u0020"},"#name":"list-item"},{"$$":[{"#name":"label","_":"•"},{"$":{"view":"all","id":"p0025"},"#name":"para","_":"Automated model shows more potential with participants with prior visit in the park."}],"$":{"id":"u0025"},"#name":"list-item"}],"$":{"id":"li0005"},"#name":"list"}],"$":{"view":"all","id":"sp0070"},"#name":"simple-para"}],"$":{"view":"all","id":"abs0015"},"#name":"abstract-sec"}],"$":{"view":"all","id":"ab0015","class":"author-highlights"},"#name":"abstract"}],"$":{"xmlns:ce":true,"xmlns:dm":true,"xmlns:sb":true},"#name":"abstracts"},"pdf":{"urlType":"download","url":"/science/article/pii/S1618866722002552/pdfft?md5=2c828b25f53c80e8923868dd6973b90a&pid=1-s2.0-S1618866722002552-main.pdf"},"iss-first":"","vol-first":"76","isThirdParty":false,"issn-primary-unformatted":"16188667","issn-primary-formatted":"1618-8667"},{"pii":"S1618866722002394","journalTitle":"Urban Forestry & Urban Greening","publicationYear":"2022","publicationDate":"2022-09-01","volumeSupText":"Volume 75","articleNumber":"127696","pageRange":"127696","trace-token":"AAAAQL38WiyCJeSn3MhPRsMytRebFx281LAXA1Z0czGNLzaoJVye0aQuMHeUsK5PTkAyiqV5JuLLbwkp10HkVY6Z6m00kwP2jWFgnbdYDhIV1twalhWkfg","authors":{"content":[{"#name":"author-group","$":{"id":"ag0005"},"$$":[{"#name":"author","$":{"id":"au0005","author-id":"S1618866722002394-7448e3f955c407cad54631e801e816cd"},"$$":[{"#name":"given-name","_":"Dai;Department of Landscape Architecture, Faculty of Design & Architecture, Universiti Putra Malaysia, 43400 Serdang, Selangor Darul Ehsan, Malaysia;Department of Design, Faculty of Arts, Hebei University of Economics and Business, 47 Xuefu Road, 050061 Shijiazhuang City, Hebei Province, China;Shanghai Key Laboratory of Urban Design and Urban Science, NYU Shanghai, Shanghai, China;NYU Tandon School of Engineering, New York, USA;Division of Arts and Sciences, NYU Shanghai, Shanghai, China;College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, Zhejiang Province, PR China;The Architectural Design & Research Institute of Zhejiang University Co., Ltd., Zhejiang University, Hangzhou 310028, Zhejiang Province, PR China;Department of Land Management, School of Public Affairs, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China;Center for Balanced Architecture, Zhejiang University, Hangzhou 310058, Zhejiang Province, PR China;Zhejiang Urban and Rural Planning Design Institute, Hangzhou 310007, Zhejiang Province, PR China;Department of Urban and Regional Planning, College of Urban and Environmental Sciences, Peking University, Beijing 100871, PR China;School of Architecture and Planning, University of Auckland, Auckland, New Zealand;Engineering Systems and Design, Singapore University of Technology and Design, Singapore, Singapore;Architecture and Sustainable Design, Singapore University of Technology and Design, Singapore, Singapore

摘要

Small-size green spaces contain convenient service capabilities for urban residents and satisfy the daily needs of citizens for high-quality ecological products. A greenway is a kind of linear green space, which can create a beautiful and livable environment in a high-density urban area. This study explored whether the services provided by the greenway can meet the daily needs of urban residents for green space in Guangzhou, a mega city in south China. Based on the Analytic Hierarchy Process (AHP) method and the entropy weight (EW) method, both the coupling coordination degree model and spatial autocorrelation analysis were adopted to quantify and determine the coordination degree of greenway service supply and public demand in Guangzhou. The results showed that the comprehensive score of the greenway service supply (GSS) subsystem and the public demand (PD) subsystem in Guangzhou was 0.3865 ± 0.08 and 0.3778 ± 0.03 (mean±s.e., n = 11), respectively. The GSS subsystem score was slightly higher than that of PD subsystem (P > 0.05), indicating that the two subsystems had no significant differences. The supply and demand subsystem of ten districts (excluding Conghua) in Guangzhou achieved different levels of coordination, and the average coupling coordination degree was 0.5885, suggesting that the districts were barely balanced at the city level. The Moran's I value was 0.580, indicating that the coupling coordination degree had significant positive global spatial autocorrelation and showed a spatial agglomeration effect. Furthermore, the local Moran’s I spatial autocorrelation showed that three districts (i.e., Yuexiu, Haizhu and Liwan) formed a high supply-high demand cluster and a spatial difference was detected when coupling the GSS and PD in Guangzhou. Therefore, we proposed the differentiated optimization strategies based on the results of the coupling coordination degree and the development status of each district and the entire city. This knowledge can better guide the subsequent construction and development of greenway in Guangzhou and may be useful for adjacent cities in Asia-Pacific region.