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Research on Carbon Reduction Pathways: A Case Study of Kau Yi Chau Artificial Islands

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  • Xingyu Liu

    (State Key Laboratory of Intelligent Geotechnics and Tunnelling, Shenzhen 518060, China
    Key Laboratory for Resilient Infrastructures of Coastal Cities, Ministry of Education, Shenzhen University, Shenzhen 518060, China
    Sino-Australia Joint Research Center in BIM and Smart Construction, Shenzhen University, Shenzhen 518060, China)

  • Ming Zhang

    (China State Construction Engineering (Hong Kong), Hong Kong, China
    China Civil Engineering Construction Corporation, Hong Kong, China
    China State Construction International Holdings, Hong Kong, China)

  • Foci Chen

    (China State Construction Engineering (Hong Kong), Hong Kong, China
    China Civil Engineering Construction Corporation, Hong Kong, China
    China State Construction International Holdings, Hong Kong, China)

  • Yunzhe Tong

    (China State Construction Engineering (Hong Kong), Hong Kong, China
    China Civil Engineering Construction Corporation, Hong Kong, China
    China State Construction International Holdings, Hong Kong, China)

  • Kexi Xu

    (School of Spatial Planning and Design, Hangzhou City University, Hangzhou 310015, China)

  • Zezhou Wu

    (State Key Laboratory of Intelligent Geotechnics and Tunnelling, Shenzhen 518060, China
    Key Laboratory for Resilient Infrastructures of Coastal Cities, Ministry of Education, Shenzhen University, Shenzhen 518060, China
    Sino-Australia Joint Research Center in BIM and Smart Construction, Shenzhen University, Shenzhen 518060, China)

  • Yani Lai

    (State Key Laboratory of Intelligent Geotechnics and Tunnelling, Shenzhen 518060, China
    Key Laboratory for Resilient Infrastructures of Coastal Cities, Ministry of Education, Shenzhen University, Shenzhen 518060, China
    Sino-Australia Joint Research Center in BIM and Smart Construction, Shenzhen University, Shenzhen 518060, China)

  • Yuefu Zhou

    (State Key Laboratory of Intelligent Geotechnics and Tunnelling, Shenzhen 518060, China
    Key Laboratory for Resilient Infrastructures of Coastal Cities, Ministry of Education, Shenzhen University, Shenzhen 518060, China
    Sino-Australia Joint Research Center in BIM and Smart Construction, Shenzhen University, Shenzhen 518060, China)

  • Xiangsheng Chen

    (State Key Laboratory of Intelligent Geotechnics and Tunnelling, Shenzhen 518060, China
    Key Laboratory for Resilient Infrastructures of Coastal Cities, Ministry of Education, Shenzhen University, Shenzhen 518060, China
    Sino-Australia Joint Research Center in BIM and Smart Construction, Shenzhen University, Shenzhen 518060, China)

Abstract

Developing artificial islands is considered to be an effective solution for land scarcity and economic growth in coastal regions. However, the construction and operation of artificial islands could generate significant carbon emissions, posing challenges for low-carbon transitions. In this study, Kau Yi Chau Artificial Islands are analyzed to explore low-carbon strategies tailored to artificial island development. A carbon emission accounting framework based on urban operational processes is established, and five scenarios are developed using the LEAP model: the Baseline Scenario (BAS), Low-Demand Scenario (S1), Regular Carbon Reduction Scenario (S2), Enhanced Carbon Reduction Scenario (S3), and Deepened Carbon Reduction Scenario (S4). Energy demand and carbon emissions are systematically assessed across sectors such as buildings, transportation, solid waste, and vegetation-based carbon sinks. The results indicate that, compared to the BAS, carbon emissions in the S1, S2, S3, and S4 scenarios are reduced by 19.5%, 20.8%, 41.9%, and 54.6%, respectively. S4 is identified as the optimal development pathway for the artificial islands. The carbon reduction contributions of different sectors are analyzed, and optimization measures are proposed, providing valuable insights for low-carbon planning in artificial islands development.

Suggested Citation

  • Xingyu Liu & Ming Zhang & Foci Chen & Yunzhe Tong & Kexi Xu & Zezhou Wu & Yani Lai & Yuefu Zhou & Xiangsheng Chen, 2025. "Research on Carbon Reduction Pathways: A Case Study of Kau Yi Chau Artificial Islands," Land, MDPI, vol. 14(8), pages 1-17, August.
    • Handle: RePEc:gam:jlands:v:14:y:2025:i:8:p:1622-:d:1721130
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