都市熱島的成因包括物理環境因素和人為活動因素兩類。土地使用分區計畫（Zoning）是都市規劃的重要工具，在規劃的概念裡，土地使用分區計畫具有功能分區的特性：規劃者利用土地使用分區計畫引導活動在特定地區發生、形成具有功能性的都市結構，土地使用分區管制則控制了土地覆蓋類別、容許使用項目及建物量體規模等熱島成因下的物理環境與人為活動變數。景觀生態學是一門系統性討論景觀紋理、景觀功能性及其中生態過程的理論；景觀紋理對映的是都市熱島成因中的物理環境因素，紋理是由都市結構、建築量體的排列、水與綠分布所組成的空間結構，影響風的流動以及環境的物理特性；景觀功能及其中的生態過程對映的是都市熱島成因中的人為活動因素，都市中的人為活動包括住居、商貿、生產製造等等，所衍生的交通與能源使用行為會產生直接釋熱，是都市的重要熱源；景觀紋理會影響其功能性及其內部生態生成，而景觀生態及功能又會回頭影響景觀紋理的形塑，因而形成熱的產生、吸收、儲存、釋放的系統性循環。因此，藉由景觀生態學觀點探討土地使用分區與環境溫度的關係可同時納入物理環境與人為活動兩大影響環境溫度的變數、以及都市計畫形塑都市功能分區的規劃意義，系統性地討論都市活動如何影響環境溫度。
奠基於景觀生態學觀點，研究假設熱島現象與土地使用之關係隨都市景觀類型而異，將都市分為兩層級探討：全域（整體）與局部（住居、商業、工業），以台南市為實證地區，使用LANDSAT 8衛星於2019/02/03 凌晨02:26所拍攝的紅外線衛星影像資料反演地表溫度。實證成果顯示，在全域都市景觀尺度下，景觀紋理與地表溫度之關係無法被線性迴歸模型良好解釋，但在進行局部都市景觀分析時，三種不同都市景觀間呈現出明顯的地表溫度與景觀紋理差異，印證了熱島現象與土地使用之關係隨都市景觀類型而異的研究假設；另外，台南市夜間熱島主要出現於工業景觀，而縮小街廓尺度、增加土地使用多樣性及提升街廓邊緣的複雜性，或將有助於減緩工業景觀的高溫現象。

Physical environment and human activities are the major factors affecting urban thermal environment, while urban heat island is the most prevalent object that related research focuses on. The major factors affecting urban thermal environment can be systematically discussed through the theory of Landscape Ecology. From the perspective of Landscape Ecology, research assuming that the relationships between heat island phenomenon and land-use varies within types of urban landscape. Research defines the urban landscape in two levels: global (the whole city as an integrated urban landscape) and local (which includes residential, commercial, and industrial landscape).
Results show that the relationships between land surface temperature and global urban landscape can’t be well explained with linear regression model, however, the landscape metrics and land surface temperature statistics show the relationships varies within types of urban landscape. In addition, Tainan City’s heat island phenomenon mainly happen on the industrial landscape, while reducing block size, increasing the diversity of land-use types and the complexity of block edges may mitigate heat island phenomenon.

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