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題 名 | 新竹地區氣相汞(Gaseous Mercury)研究=Study of the Concentrations of Gaseous Mercury in Hsin-Chu County |
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作 者 | 謝坤嶧; 林玟辰; 張正芬; 郭天和; | 書刊名 | 東南學報 |
卷 期 | 34 2009.07[民98.07] |
頁 次 | 頁219-229 |
分類號 | 445.63 |
關鍵詞 | 新竹縣; 氣相汞; 污染物; Hsin-Chu county; Gaseous mercury; Pollutants; |
語 文 | 中文(Chinese) |
中文摘要 | 摘 要 本文章試著將2006年在新竹縣境內對大氣中氣相汞採樣結果進行分析並探討氣相 汞與其他污染物(例如:SO2、CO、PM10、PM2.5、NOx..等)及氣象因子(例如:溫度、風 速、方向、相對濕度..等)之間的相關性。採樣地點分別在竹東鎮大同國小及湖口鄉信 勢國小內的環保署一般測站,藉由可攜式的自動汞分析儀(Model Gardis-3)進行採樣分 析,並蒐集測站內其他污染物及氣象資訊加以分析。 結果顯示,在竹東地區氣相汞濃度(小時平均值)介於1.30~18.86 ng/m3,且氣相汞 與SO2、CO、NOx 及相對濕度也有正相關之關係。在湖口地區氣相汞濃度(小時平均 值)介於1.38~11.58 ng/m3,且氣相汞與SO2、CO、PM10及PM2.5等有正相關之關係,卻 與溫度有些許負相關存在。這些資訊顯示在湖口地區應該有點污染源(point source)存 在,不僅如此,兩地區內氣相汞濃度在白天均較夜晚來得高且與溫度並無明顯的相關 性,因此可以推論大氣中的氣相汞是來自人類活動造成遠大於自然界排放。 既然此二地區所偵測到氣相汞濃度分別可高達18.86ng/m3及11.58ng/m3,表示應該 有點污染源在採樣點附近,所以有必要更進一步把污染源找出,以避免汞污染對環境 及生態所造成的傷害。 |
英文摘要 | Abstract This paper tries to analyze the sampling results of gaseous mercury in Hsin-Chu county in 2006, and also to investigate the relationships among concentrations, other pollutants (e.g. SO2, CO, PM10, PM2.5, NOx .. etc.) and meteorological factors (e.g. temperature, wind speed, wind direction, relative humidity, .., etc.). Sampling sites were located at Datong Elementary School in Chutung and at Si-Shi Elementary in Hukou, and the concentrations were collected by using a portable automatic mercury analyzer (Model Gardis-3) as well. Meanwhile, the concentrations of the other pollutants and meteorological data were collected at the same time. The results showed that the hourly averaged concentrations of gaseous mercury ranged from 1.30 ~ 18.86 ng/m3, and the concentrations were positively related to SO2, CO, NOx and the relative humidity in Chutung. While the concentrations ranged from 1.38 ~ 11.58 ng/m3, and the concentrations had positive relationships with SO2, CO, PM10 and PM2.5 in Hukou. According to the results of analysis, there existed point sources in Hukou and concentrations were higher in the daytime. The results also showed that there was no relationship between concentrations and temperatures. Therefore, it can be inferred that the gaseous mercury from human activities is much greater than natural emissions. Since the concentrations of gaseous mercury reached as high as 18.86ng/m3 and 11.58ng/m3, respectively, it indicated that there existed point sources nearby the sampling point. Therefore, it is essential to further discover the source of pollution to prevent from injury to the environment and the ecology from gaseous mercury. |
本系統中英文摘要資訊取自各篇刊載內容。