台灣中部地區空氣品質與氣象參數之分析

The Analysis of Air Quality and Meteorological Parameters in Central Taiwan

10.29688/MHJ.200902.0010

余泰毅(Tai-Yi Yu)；張益誠(I-Cheng Chang)；華梅英(Mei-Yin Hwa)

空氣品質 ； 氣象參數 ； 綜觀天氣型態 ； 主成分分析 ； air quality ； meteorological parameter ； synoptic weather pattern ； principal component analysis

明新學報

35卷1期（2009 / 02 / 01）

105 - 117

繁體中文

本研究應用多變量分析中的主成分分析法，以台灣中部地區之空氣品質與相關氣象參數進行統計資料的規則性探討，藉以剖析兩者之關連性與特徵。空氣品質依據PSI值進行分類，解析空氣品質、氣象參數與綜觀天氣型態之特色。以各項氣象參數與各主成分的因子負荷值來看，各主成分所代表的污染型態可以通風指數、光化、燃燒源、穩定度以及風速五項可能的影響因素加以解釋。此外，本研究亦統計各綜觀天氣型態下，在不同空氣品質狀況下的重要氣象參數特徵。

This research applies the principal component analysis through categorized evaluation of statistical data on air quality and related meteorological parameters in central Taiwan. With that, the relationship and characteristic between air quality and meteorological parameters are anatomized. PSI values are categorized through the characteristics of air quality, meteorological parameters, and synoptic weather patterns. From the inspection of each meteorological parameter and each factor -loading value of principal components, principal component represented characteristics pollution condition can be explained by the ventilation index, the photochemical factor, the combustion source, the stability level and the wind speed. Furthermore, this study also categorizes the characteristics of dominant meteorological parameters at different air quality conditions under various synoptic weather patterns.

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