臺中市之都市化對氣溫變化之影響

Effect of Urbanization on the Air Temperature of Metropolitan Taichung

徐森雄(Sen-Hsiung Hsu) ； 唐琦(Chi Tang) ； 陳品如(Pin-Ru Chen) ； 黃雅琳(Ya-Lin Huang)

《作物、環境與生物資訊》 4卷4期 (2007/12) Pp. 307-313

https://doi.org/10.30061/CEB.200712.0004

摘要

本研究採用1949年至2005年間，臺中與彭佳嶼兩氣象站之年平均氣溫資料，分析其差異，藉以瞭解臺中市於都市化發展過程中，各項因素與氣溫變化之關係。分析結果得知，都市化發展過程中，用電量、人口密度、道路面積與機動車輛總數之增加與氣溫之升高有明顯正相關，水田面積則呈明顯負相關。臺中市自1949年至2005年之年平均氣溫上升率為0.005℃Yr-1，但如僅就1983年以後來看臺中市之年平均氣溫上升率達0.036℃Yr^(-1)。若各都市發展參數之逐年變化率持續不變，依前述年平均氣溫上升率，估測至2050年臺中市之年平均氣溫為25.0℃。

關鍵字

臺中 ； 氣溫 ； 都市氣候 ； 都市發展

並列摘要

The effect of urbanization on the air temperature of metropolitan Taichung was studied based on the annual mean values of air temperature that collected from the meteorological stations of Taichung and Pengchiayu from 1949 to 2005. Pengchiayu is a small island far from northeast of Taiwan and is considered to have the least impact from modern urbanization. From the comparison between urbanization factors and the difference of air temperature obtained from these two meteorological stations, the results can be summarized as follows. Urbanization increased the energy consumption, population density, the number of vehicles, and the roadway area of city. These factors had a significant positive effect on the increase of air temperature and resulted in the decrease of paddy field area. The urbanization of metropolitan Taichung resulted in the increase of, the air temperature was about 0.005℃ per year since 1949, but it rose rapidly to 0.036℃ per year since 1983. According to the rate of urban development at metropolitan Taichung, the predicted annual mean value of air temperature will be 25.0℃ in 2050.

並列關鍵字

Taichung ； Air temperature ； Urban climate ； Urban development