花蓮水泥工業區空氣品質長期變化研究：2012﹣2015趨勢

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標題:	花蓮水泥工業區空氣品質長期變化研究：2012﹣2015趨勢 Long-term trends of air quality at Hualian Hoping industrial park: a case study of 2012-2015
作者:	郭庚源
貢獻者:	環境工程與科學系蔡瀛逸
關鍵字:	花蓮工業區空氣品質長年趨勢 Hualien Industrial park Air quality Long-term trend
日期:	2016
上傳時間:	2016-12-21 15:32:29 (UTC+8)
摘要:	本研究為瞭解台灣花蓮和平水泥工業區近年週遭空氣品質變化趨勢，分析101年至104年週遭空氣品質監測資料，測站以經濟部工業局依照環評監測計畫所設置的五個測站之空氣品質即時監測數據為監測地點，各測站空氣污染物監測項目有CO、NO2、SO2、TSP及PM10等；本研究以統計分析法分析近4年週遭空氣品質變化，以瞭解當地空氣品質的趨勢變化。由各項分析後結果得知在SO2逐時平均值以和平國小最高1.890.26 ppb，澳花國小最低1.770.20 ppb；NO2逐時平均值以和中分校最高9.241.82 ppb，澳花國小最低5.761.48 ppb；CO逐時平均值以澳花國小最高0.550.08 ppm，和平車站最低0.470.05 ppm；TSP逐時平均值以漢本車站最高83.948.31 µg/m3，澳花國小最低48.301.85 µg/m3；PM10逐時平均值以漢本車站最高55.233.14 µg/m3，澳花國小最低31.851.52 µg/m3，以長年TSP及PM10而言，澳花國小的空氣品質較佳。在PM10/TSP ratio年逐時平均比值以和平國小最高，為68.114.3 %，但和中分校的PM10/TSP ratio最低為57.715.9 %，此外，每小時的標準偏差年每小時平均以和中分校15.9為最高，顯示和中分校是所有測站中受到交通運輸揚塵及海灘揚塵影響次數較為頻繁。 This study investigated the annual changes in air quality in a neighborhood surrounding a cluster of concrete plants located in Hoping Village, Hualien County, in eastern Taiwan. The real-time ambient air quality data of 2012–2015 were obtained from five local monitoring stations established by the Industrial Development Bureau of the Ministry of Economic Affairs in accordance with an environmental evaluation and monitoring project. The measured air pollutants included CO, NO2, SO2, total suspended particulate (TSP), and PM10. A statistical analysis of the change trends in ambient air quality over a 4-year period was conducted to explore how air quality surrounding the concrete plants changed in recent years.The findings were as follows. Among all the air quality monitoring sites, the highest hourly average level of SO2 was observed in He-ping Primary School (1.890.26 ppb), the lowest hourly average level was observed in Aw-Hwa Elementary School (1.770.20 ppb), the highest hourly average level of NO2 in the Hezhong Campus of the school (9.241.82 ppb), the lowest hourly average level was observed in Aw-Hwa Elementary School (5.76±1.48 ppb), the highest hourly average level of CO in the Aw-Hwa Elementary School (0.55±0.08 ppb), the lowest hourly average level was observed in He-Ping station (0.47±0.05 ppm), the highest hourly average level of TSP in the Hanben Station (83.94±8.31 ?g/m3) , the lowest hourly average level was observed in Aw-Hwa Elementary School (48.30±1.85 ?g/m3), the highest hourly average level was observed in He-Ping station (83.94±8.31 ?g/m3), the highest hourly average level of PM10 in Hanben Station (55.23±3.14 ?g/m3) and the lowest hourly average level was observed in Aw-Hwa Elementary School (31.85±1.52 ?g/m3). The long-term air quality in Aw-Hwa Elementary School is better compared to that in other sites based on both TSP and PM10 annual concentrations.The highest annual hourly mean PM10/TSP ratio was observed in He-ping Primary School (68.114.3%). Meanwhile, the lowest annual hourly mean PM10/TSP ratio was observed in Hezhong Campus of the school (57.715.9 %). Moreover, an estimation of the hourly standard deviation (SD) of the annual hourly mean PM10/TSP ratio yielded the highest SD in the Hezhong Campus (15.9) of the school, indicating that the campus was most exposed to dust from transportation and beaches among all the air quality monitoring stations.
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