本研究探討大氣懸浮微粒濃度與微粒碳成份，含量(TC、EC、OC、SOC)變化與氣象因素（溫度、相對溼度、平均風速）之相關性。研究工作於仁武及大寮測站以Dichotomous sampler (Dichot) 進行大氣懸浮微粒採樣，配合總有機碳分析儀(TOC)分析微粒濃度及碳成份含量。
研究結果顯示，於高雄地區西南季風時期，熱帶海洋低氣壓致使對流效應及大氣擴散條件良好，懸浮微粒PM2.5平均濃度31.5 µg m-3 ，PM10平均濃度49.5 µg m-3。東北季風時期，大陸冷高壓壟罩造成對流效應及大氣擴散條件不佳，高雄地區PM2.5懸浮微粒平均濃度65.2 µg m-3 ，PM10平均濃度113.8 µg m-3。現場觀測採樣結果顯示高雄地區因季風變換而造成大氣懸浮微粒污染程度上所產生之差異現象。
探討高雄地區南北兩端測站之差異，解析高雄地區上下風測站（仁武及大寮測站）及其氣象因子變化下，對於大氣懸浮微粒中碳成分含量之影響。由數據解析之結果可知，西南季風時期平均風速為1.69 m/s ，碳成分平均濃度15.7 µg m-3 ；東北季風時期平均風速為1.59 m/s ，碳成分平均濃度24.5 µg m-3 ，於不同季風時期大氣懸浮微粒之含碳量(TC) 程度不同，但平均風速皆對懸浮微粒含碳量具有降低程度之影響。
相對溼度對於懸浮微粒中之含碳量，當RH > 65 %時，大氣揮發性有機物可由氣－固相反應生成衍生性有機碳；當RH > 65 %時，大氣相對濕度會增強二次衍生有機碳吸附於大氣懸浮微粒表面作用，使衍生有機碳含量增加。
溫度對於懸浮微粒有機碳(OC) 含量具有影響，其於T ＞25℃時趨勢顯著，可觀察出T ＜25℃時，有機碳濃度維持於10~13 µg m-3 ，T > 25℃時，有機碳濃度開始發生衰減之現象，而此現象與觀測地點差異無關。

This study investigates relationship between concentration of atmospheric suspended particle and content of carbon components (TC, EC, OC and SOC) in particle with meteorology factor (temperature, relative humidity, average wind speed). From March, 2006 to December in the same year, suspended particle collection were done by using Dichotomous sampler accompanied with six digit electronic scale and total organic carbon analyzer in Jen-wu and Ta-liao detection station at Kaohsiung area in order to understand suspended particle concentration (wt) and carbon components’ contents.

Taiwan situated in East Asia monsoon region. With monsoon variations, weather shows entirely different change, while Kaohsiung area has being particularly affected. During West South monsoon times, tropical oceanic low pressure creates good convection and atmospheric diffusion conditions. Average concentration of suspended particle PM2.5 in Kaohsiung is about 31.5µg m-3, 10.7µg m-3 for carbon components; average concentration of PM10 is 49.5µg m-3, and 15.7µg m-3 for carbon components. During East North monsoon, surrounding continental cold high pressure causes convection and atmospheric diffusion condition unfavourable. Average concentration of suspended particle PM2.5 is 65.2µg m-3, 17.6µg m-3 for carbon components; 113.8µg m-3 and 24.5µg m-3 for PM10 and carbon components respectively. It shows apparent variations due to monsoon conversion in Kaohsiung area from the above data.

Further more, this study also investigate differences between detection stations situated in south and north of Kaohsiung to analyze effects to carbon component contents in atmospheric suspended particle under up-wind/down-wind detection station and its meteorology variating factors. From analyze results, carbon component (TC) content in atmospheric suspended particle have different level during different monsoon time. However, average wind speed has reduction effect to carbon content in suspended particles. Effects of relative humidity to carbon content in suspended particle can be observed from increasing/decreasing content of secondary organic carbon. When RH is larger than 65, volatile organic compound in atmosphere follows gas to particle reaction and form secondary organic carbon; when RH is larger then 65, relative humidity in atmosphere will increase secondary organic carbon adsorption on suspended particle surface and lead to increase of secondary organic carbon content. Temperature affects contents of organic carbon in suspended particle. This can be observed particularly when temperature equals 25 Celsius degree. When temperature is greater then 25 Celsius degree, concentration of organic carbon starts to decay and this event has no relationship with detection station difference but to temperature variations.

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