頁籤選單縮合
題 名 | 臺灣西北海岸夏初背景SO2與CO測量與分析 |
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作 者 | 柳中明; 羅俊光; 左臺利; 王作臺; 徐光蓉; | 書刊名 | 大氣科學 |
卷 期 | 22:1 1994.03[民83.03] |
頁 次 | 頁111-128 |
分類號 | 445.63 |
關鍵詞 | 北景大氣; 空氣污染; 大氣化學測量; Background atmosphere; Air pollution; Atmospheric chemistry measurement; |
語 文 | 中文(Chinese) |
中文摘要 | 本文主要說明國科會空氣與氣候品質臺灣站(CATS: Climate and Air-quality Taiwan Station)研究群,在1991年6、7月間赴新屋桃園農改場,進行臺灣西北海岸夏初背景大氣濃度測量的分析結果。此結果並與環保署中壢與新竹二空氣品質監測站資料相比較。大略上,新屋站會受附近濱海公路車輛污染的影響,但在午後盛行西南風強盛時,由臺灣海峽吹入的空氣中SO₂濃度約為0.2~2 ppb,CO約為230 ppb,均相當清潔。相較於同時間午後環保署中壢市區SO₂約為20~50 ppb,CO約為1 ppm,新竹市區SO₂為5~10 ppb,CO亦約為1 ppm,可見臺灣地區人為排放的SO₂與CO均遠大於背景大氣中的SO₂與CO濃度。在此特別強調CATS儀器的精確度為環保署儀器的100倍,所以雖然觀測時間短且資料量少,但可信度極高。 |
英文摘要 | During June-July 1991, the research team of Climate and Air-quality Taiwan Station (CATS) has carried out an intensive field measurement program at Hsinwu, which is located at the north-western coast of Taiwan. The measurement site is in a farm field, where only light pollution from unexpected trailers along the coast-line highway may influence the local air-quality. In general, the site represents well a typical rural environment. During the measurement period, strong southwesterly prevails the region. Low level of SO₂ and CO are detected. CO₂ level is about 0.2-2 ppbv, while CO about 230 ppbv. At the same time, the SO₂ level measured by local EPA in nearby Chungli city is about 20-50 ppbv, while CO about 1 ppm. In Hsinchu city, SO₂ is about 5-10 ppbv, CO about 1 ppm. Apparently, the amount of pollutants emitted in local urban area is considerably large. One thing has to be noted here. The sensitivity of instruments operated by the CATS team is about 100 times higher than those operated by EPA. |
本系統中英文摘要資訊取自各篇刊載內容。