快速都市化發展下，高密度開發導致水域及綠地減少，引發都市熱島問題，而另一個重要的成因，則是建築物密集、間距小，導致通風散熱不良。為了有效減緩都市熱島效應的惡化，目前全球已有多個城市正在實行都市風廊的建設，甚至針對風廊指認與規範有詳細的國家級準則。我國目前尚未推行系統化的架構原則與土地規範，因此在土地開發行為中將難以避免密集開發導致通風散熱不良。
本研究利用臺灣歷史氣候資料與地表分布狀態資料，以臺中市、臺北市為例，探討風廊系統在臺灣的城市規劃體系中可適用的實踐方法及政策路徑。首先，參考了氣候資料將城市地區之長年自然風勢進行季節與時序的歸納，並依此定義自然風廊。為了聚焦探討尺度至行人活動層，以建築物分布計算了地表粗糙長度（Roughness Length）作為空氣流動時的風阻指標，進而指認了全市與局部地區的都市風廊路徑，藉此錨定優化目標並提供改善建議。風廊的路徑被指認後，採用中央氣象局開放之歷史觀測資料與CFD模擬作為驗證工具，最終證實了本研究在臺中市與臺北市的指認成果是具發展潛力的。
本研究所建立之標準化的工作流程，未來將有助於都市微氣候改善政策的推動，並可納為都市發展的規劃和決策參考，保障都市的基本通風性。

The urban heat island effect (UHI), caused by urbanization and rapid economic development, poses significant challenges due to poor ventilation and heat dissipation in densely built urban areas. To address this issue, wind plays a crucial role in dissipating accumulated heat, reducing surface temperatures, and promoting air mixing. Ventilation corridor systems have emerged as a promising strategy to enhance ventilation and mitigate the UHI effect. However, different cities worldwide adopt diverse approaches to wind corridor construction, necessitating the development of tailored guidelines aligned with local urban planning frameworks.
This study focuses on Taichung City and Taipei City, utilizing climate and geographical data to identify natural wind corridors and construct city-wide and local ventilation corridors. The expert-validated assessment method, employing professional knowledge, relevant data, and land understanding, efficiently identifies optimal pathways for ventilation corridors. The results serve as valuable references for urban development planning, encompassing considerations such as ventilation rates, setbacks, land utilization, green space creation, and building regulations.

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