Challenges and Strategies for Greening the Compact City of Hong Kong
Challenges and Strategies for Greening the Compact City of Hong Kong
复制标题
绿化香港紧凑城市的挑战与策略
DOI：
10.1061/(asce)up.1943-5444.0000076
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发表时间：
2012-06
影响因子：
2.5
通讯作者：
Yan Tao
中科院分区：
文献类型：
--
作者：
Yuhong Tian;C. Y. Jim;Yan Tao
紧凑型城市是一种特殊的城市形态，其内在的物理、社会和制度对绿化的限制阻碍了可持续发展的实现。本研究以香港为个案，评估紧凑型城市的城市绿地发展所面临的限制和挑战。制定了克服这些障碍和改善UGS条件的战略。然后评估实施这些战略的机会。由于紧凑型城市在地面上分配给UGS的空间非常有限，因此优化绿色空间布局的策略以及在地面以上或以下寻求额外的空间，例如垂直绿色表面或结构、绿色屋顶和讲台，都是可能的解决方案。实施策略的措施总结为：(1)重组与UGS相关的部门和办公室，明确各自的职责，提高效率；（二）鼓励公民参与；（三）建立适当的法律依据；(4)通过优化布局，形成地面绿地、摩天农场、空中花园等相对连通的绿源绿汇综合绿色网络；(5) UGS施工后的维护和维修；(6)选择能够在特定绿地中茁壮成长的植物种类。香港的紧凑形式为实施这些策略提供了许多机会。该研究增加了对世界上最紧凑的城市之一UGS发展成功或失败背后关键因素的理解，并为其他拥挤地区提供和管理UGS提供了战略和政策相关措施建议。DOI: 10.1061 /(陈纯)up.1943 - 5444.0000076。©2012美国土木工程师学会。
A compact city is a special urban form with inherent physical, social, and institutional constraints on greenery that obstruct the achievement of sustainability. In this study, Hong Kong is used as a case to assess the constraints and challenges related to urban green spaces (UGS) development in compact cities. Strategies to overcome these obstacles and improve the UGS conditions are developed. Opportunities to implement the strategies are then evaluated. Because compact cities have extremely limited space allocated for UGS on the ground level, strategies to optimize the layouts of green spaces and seek additional spaces above or below the ground level, such as vertical green surfaces or structures, green roofs, and podiums, are possible solutions. Measures to implement the strategies are summarized as (1) reorganizing the departments and offices related to UGS and clarifying their individual responsibilities to increase their efficiency; (2) encouraging citizen participation; (3) establishing proper legal basis; (4) forming a comparatively connected comprehensive green network of green sources and green sinks with ground-level green spaces, skyscraper farms, and sky gardens, all with optimal layouts; (5) maintaining and repairing UGS after construction; and (6) selecting species of plants that will thrive in specific green spaces. The compact form of Hong Kong provides many chances to implement these strategies. The study increases understanding of the critical factors behind the success or failure of UGS develop- ment in one of the most compact cities in the world and provides suggestions for strategic and policy-related measures for the provision and management of UGS in other congested areas. DOI: 10.1061/(ASCE)UP.1943-5444.0000076. © 2012 American Society of Civil Engineers.
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