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postgraduate thesis: Feasibility study of vertical greening for underground space in Hong Kong

TitleFeasibility study of vertical greening for underground space in Hong Kong
Authors
Issue Date2015
PublisherThe University of Hong Kong (Pokfulam, Hong Kong)
Citation
Ho, J. [何棗兒]. (2015). Feasibility study of vertical greening for underground space in Hong Kong. (Thesis). University of Hong Kong, Pokfulam, Hong Kong SAR. Retrieved from http://dx.doi.org/10.5353/th_b5673742
AbstractDue to the scarce and limited land resources for infrastructure development in Hong Kong, the government has proposed the enhanced utilization of underground space in the future infrastructure development. Though utilization of underground space provides significant benefits in urban planning, its associated negative effects (both psychological and physiological) could not be overlooked. Implementation of vertical greening as one of the design elements serves as a solution to tackle with the negative effects in underground infrastructures. This study aims to investigate and evaluate the feasibility of vertical greening for underground space in technical, economic and operational aspects. The methodologies used in this study includes literature review, questionnaire and interview. Through studying the literature, the current development and technical issues of indoor vertical greening and the knowledge gap is identified. This method is also used for summarizing the potential environmental benefits provided by indoor vertical greening in underground space. After obtaining fundamental knowledge related to the research topic, questionnaire is conducted to assess the public attitude towards perception of underground space and vertical greening as well as acceptance and concerns about these issues. The public shows a supportive attitude for the implementation of vertical greening in underground space, and more than half of them do think the vertical greening can help to alleviate negative effects brought by underground environment. In addition, they show positive attitude towards the applications in underground MTR station and shopping centres. The public also indicated that though there is investment, they think it is still worthy to install vertical greening in underground space as it could provide environmental, social and economic benefits. At the same time, interviews are conducted with experts in landscape and property management field respectively in order to obtain professional and marketing information of vertical greening in Hong Kong. The findings help to consolidate the feasibility studies. In the technical feasibility study, technical issues of two main classifications of vertical greening and four applications in Hong Kong and other countries have been discussed. In the economic feasibility study, the cost-benefit analysis of vertical greening for underground space has been discussed. Environmental, psychological, social and private benefits have been covered and elaborated comprehensively. The estimated cost of the vertical greening based on the assumptions (i.e. a 12.5 m^2 living wall system with 10-year service life) is HKD $50,050 per year. In the operational feasibility study, the issues most likely concerned by the public and potential stakeholders have been discussed and explained with practical solutions. Recommendations are made for the enhancement of sustainability of the vertical greening in underground space. Also, it is suggested that the environment, social and economic benefits should be further investigated and explored in order to enhance public acceptance and willingness of property owners/project proponents to implement vertical greening in the coming underground space development.
DegreeMaster of Science in Environmental Management
SubjectUnderground areas - China - Hong Kong
Vertical gardening - China - Hong Kong
Dept/ProgramEnvironmental Management
Persistent Identifierhttp://hdl.handle.net/10722/221852

 

DC FieldValueLanguage
dc.contributor.authorHo, Jo-yi-
dc.contributor.author何棗兒-
dc.date.accessioned2015-12-14T23:14:52Z-
dc.date.available2015-12-14T23:14:52Z-
dc.date.issued2015-
dc.identifier.citationHo, J. [何棗兒]. (2015). Feasibility study of vertical greening for underground space in Hong Kong. (Thesis). University of Hong Kong, Pokfulam, Hong Kong SAR. Retrieved from http://dx.doi.org/10.5353/th_b5673742-
dc.identifier.urihttp://hdl.handle.net/10722/221852-
dc.description.abstractDue to the scarce and limited land resources for infrastructure development in Hong Kong, the government has proposed the enhanced utilization of underground space in the future infrastructure development. Though utilization of underground space provides significant benefits in urban planning, its associated negative effects (both psychological and physiological) could not be overlooked. Implementation of vertical greening as one of the design elements serves as a solution to tackle with the negative effects in underground infrastructures. This study aims to investigate and evaluate the feasibility of vertical greening for underground space in technical, economic and operational aspects. The methodologies used in this study includes literature review, questionnaire and interview. Through studying the literature, the current development and technical issues of indoor vertical greening and the knowledge gap is identified. This method is also used for summarizing the potential environmental benefits provided by indoor vertical greening in underground space. After obtaining fundamental knowledge related to the research topic, questionnaire is conducted to assess the public attitude towards perception of underground space and vertical greening as well as acceptance and concerns about these issues. The public shows a supportive attitude for the implementation of vertical greening in underground space, and more than half of them do think the vertical greening can help to alleviate negative effects brought by underground environment. In addition, they show positive attitude towards the applications in underground MTR station and shopping centres. The public also indicated that though there is investment, they think it is still worthy to install vertical greening in underground space as it could provide environmental, social and economic benefits. At the same time, interviews are conducted with experts in landscape and property management field respectively in order to obtain professional and marketing information of vertical greening in Hong Kong. The findings help to consolidate the feasibility studies. In the technical feasibility study, technical issues of two main classifications of vertical greening and four applications in Hong Kong and other countries have been discussed. In the economic feasibility study, the cost-benefit analysis of vertical greening for underground space has been discussed. Environmental, psychological, social and private benefits have been covered and elaborated comprehensively. The estimated cost of the vertical greening based on the assumptions (i.e. a 12.5 m^2 living wall system with 10-year service life) is HKD $50,050 per year. In the operational feasibility study, the issues most likely concerned by the public and potential stakeholders have been discussed and explained with practical solutions. Recommendations are made for the enhancement of sustainability of the vertical greening in underground space. Also, it is suggested that the environment, social and economic benefits should be further investigated and explored in order to enhance public acceptance and willingness of property owners/project proponents to implement vertical greening in the coming underground space development.-
dc.languageeng-
dc.publisherThe University of Hong Kong (Pokfulam, Hong Kong)-
dc.relation.ispartofHKU Theses Online (HKUTO)-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsThe author retains all proprietary rights, (such as patent rights) and the right to use in future works.-
dc.subject.lcshUnderground areas - China - Hong Kong-
dc.subject.lcshVertical gardening - China - Hong Kong-
dc.titleFeasibility study of vertical greening for underground space in Hong Kong-
dc.typePG_Thesis-
dc.identifier.hkulb5673742-
dc.description.thesisnameMaster of Science in Environmental Management-
dc.description.thesislevelMaster-
dc.description.thesisdisciplineEnvironmental Management-
dc.description.naturepublished_or_final_version-

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