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Application of urban climatic map to urban planning of high density cities: a case study of Hong Kong. ; CUHK electronic theses & dissertations collection
城市氣候信息對可持續城市規劃十分重要。但是城市氣候在城市規劃上的應用仍然十分有限。都市氣候圖是一種信息和評估工具,它融合了城市氣候信 息和城市規劃要素,利用兩維空間地圖將存在的城市氣候現象和問題展現出來。通過文獻綜述可知都市氣候圖的研究源於1970 年代, 目前大部分相關研究主要針對低密度城市進行。現今隨著城市人口的持續增加和快速城市化發展, 緊湊城市和高密度城市生活將是未來不可避免的趨勢。這就迫切需要開展針對高密度城市的都市氣候圖應用研究,例如香港。 ; 本研究使用的氣象數據來自香港天文台,規劃數據則從香 港政府規劃署獲得。基於前期香港都市氣候分析圖和風信息圖層所獲得的分析 和評估結果,該研究繪製了可應用在分區大綱圖的香港都市氣候規劃建議圖和重點規劃建議,並探討了具體的規劃控制策略,涵蓋樓宇密度(容積率、樓宇高度和基地建築覆蓋率)、 綠化(綠化帶,都市綠洲和開放空間的連接及綠色網格)、樓宇後移、通風廊道(河道、風道和通風廊)、非建築用地,樓宇間距和樓宇通透性。根據香港城市氣候的特點,結合香港分區大綱圖的邊界和 區劃,設立了分區大綱圖的4 個規劃策略類型,劃分了18 個組團,並形成詳細的都市氣候規劃建議圖。每個組團又再細化成若干次區域,並配有詳細的規劃改善建議。香港都市氣候規劃建議圖和18 個組團的詳細都市氣候 規劃建議圖以及相應的規劃建議為香港搭建了一個城市氣候規劃應用框架,有效的引導規劃和發展進程,確保規劃師和決策管理著採用適合的城市氣候評估結果。 ; 本研究發現香港都市氣候規劃建議圖可為城市規劃師和決策管理者在宏觀、區域及策略性的層面上提供有益的城市氣候信息平台。根據相關的氣候規劃建議和策略,便於規劃師和決策管理著選取適宜的規劃手段,進而有針對性地改善城市氣候狀況,特別是針對敏感地區。同時,該研究結果有助於在分區大綱圖的層面上開展規劃 探討及決策。另外該研究方法和所提出的相關規劃建議針對高密度城市 狀況,均可供其他相似城市參考, 特別是珠江三角洲地區。現已有三個城市:高雄、澳門和阿納姆的都市氣候圖研究借鑒並採用了該研究的研究成果。 ; Urban climate is of great importance for the sustainable urban planning. However, urban climatic application has a low impact on urban planning. The Urban Climatic Map (UCMap) is a climatic information and evaluation tool to integrate urban climatic factors and town planning considerations by presenting climatic phenomena and problems on two-dimensional spatial maps. Literature reviews that the UCMap studies have been developed since the 1970s, but most UCMap studies focus on low density cities. Due to increasing urban population and rapid urbanization nowadays, compact living and high density city lives are inevitable trends around the world. This makes it an urgent issue to study how to apply UCMap to high density cities, such as Hong Kong. ; The study used meteorological data from Hong Kong Observatory and planning data from Planning Department of the Government of Hong Kong SAR. Based on the climatic analysis from the Urban Climatic Analysis Map and Wind Information Layer, this study developed an Urban Climatic Recommendation Map (UC-ReMap) and formulated key planning recommendations for Hong Kong, which could then be applied at the level ...
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