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Assessing Impervious Surface Changes in Sustainable Coastal Land Use: A Case Study in Hong Kong

Author

Listed:
  • Kapo Wong

    (Center for Housing Innovations, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China)

  • Yuanzhi Zhang

    (Center for Housing Innovations, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
    National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
    Key Lab of Lunar Science and Deep-Space Exploration, Chinese Academy of Sciences, Beijing 100012, China)

  • Jin Yeu Tsou

    (Center for Housing Innovations, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China)

  • Yu Li

    (Faculty of Information Technology, Beijing University of Technology, Beijing 100124, China)

Abstract

In Hong Kong, reclamation is the main method for developing new land use areas as most country parks and mountains are protected under a land policy that emphasizes conservation for their high ecological value. Therefore, the land use for urbanized area in Hong Kong is limited, which has become an issue of concern. Hong Kong’s population is increasing; however, the amount of available land use is insufficient to meet the demand. Developing a high density of buildings is one of the critical strategies of Hong Kong’s government. Highly dense development may result in an urban heat island as well as health problems. In this study, we present an assessment of urban impervious surface changes in coastal megacities like Hong Kong based on satellite images. Landsat satellite images are employed to analyze urban impervious surface changes from 1995 to 2015 in coastal urban areas of Hong Kong. The results show that the increase of impervious surface area is almost the same as the increase in land reclamation area. This suggests that Hong Kong’s land use policy, which underlines conservation for high ecological value and reclamation, may be able to maintain its sustainable development of coastal land use.

Suggested Citation

  • Kapo Wong & Yuanzhi Zhang & Jin Yeu Tsou & Yu Li, 2017. "Assessing Impervious Surface Changes in Sustainable Coastal Land Use: A Case Study in Hong Kong," Sustainability, MDPI, vol. 9(6), pages 1-20, June.
    • Handle: RePEc:gam:jsusta:v:9:y:2017:i:6:p:1029-:d:101553
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    References listed on IDEAS

    as
    1. Wei Wang & Xinfeng Yao & Junpeng Zhai & Minhe Ji, 2014. "A Tetrahedron-Based Endmember Selection Approach for Urban Impervious Surface Mapping," PLOS ONE, Public Library of Science, vol. 9(6), pages 1-16, June.
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    Cited by:

    1. Dawei Wen & Song Ma & Anlu Zhang & Xinli Ke, 2021. "Spatial Pattern Analysis of the Ecosystem Services in the Guangdong-Hong Kong-Macao Greater Bay Area Using Sentinel-1 and Sentinel-2 Imagery Based on Deep Learning Method," Sustainability, MDPI, vol. 13(13), pages 1-16, June.
    2. Hualin Xie, 2017. "Towards Sustainable Land Use in China: A Collection of Empirical Studies," Sustainability, MDPI, vol. 9(11), pages 1-9, November.
    3. Kapo Wong & Yuanzhi Zhang & Qiuming Cheng & Ming Chun Chao & Jin Yeu Tsou, 2022. "Comparison of Impervious Surface Dynamics through Vegetation/High-Albedo/Low-Albedo/Soil Model and Socio-Economic Factors," Land, MDPI, vol. 11(3), pages 1-20, March.
    4. Yuqing An & Jin Yeu Tsou & Kapo Wong & Yuanzhi Zhang & Dawei Liu & Yu Li, 2018. "Detecting Land Use Changes in a Rapidly Developing City during 1990–2017 Using Satellite Imagery: A Case Study in Hangzhou Urban Area, China," Sustainability, MDPI, vol. 10(9), pages 1-14, September.

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