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    题名: 亞洲大氣污染物之整合監測與其對環境及氣候之衝擊研究-國際參與: 7-SEAS/PM2.5 and Better Air Quality Network in SEA-台灣鹿林山和都市氣膠化學及光學特性對比(總計畫及子計畫二);Contrasts of Aerosol Chemical and Optical Characteristics between Mt. Lulin and Urban Areas in Taiwan
    作者: 李崇德
    贡献者: 環境工程研究所
    关键词: 高山氣膠;生質燃燒氣膠;氣膠化學特性;污染長程傳輸;都市氣膠;Mountain aerosol;Biomass burning aerosol;Aerosol chemical characteristics;Pollution long-range transport;Urban aerosol
    日期: 2020-12-08
    上传时间: 2020-12-09 10:56:09 (UTC+8)
    出版者: 科技部
    摘要: 本計畫規劃未來兩年(2020/8-2022/7)比較評估高層大氣和地表氣膠化學成分及對大氣光學效應的差異,這個比較是建立在鹿林山多年的生質燃燒長程輸送氣膠化學研究基礎上,以及聯結本計畫團隊近年來在台灣環保署六個空氣品質監測站的氣膠化學成分時空分布、污染源因子解析、大氣能見度關聯的研究成果上。具體上,本計畫將在鹿林山以手動採樣觀測大氣氣膠質量濃度、水溶性無機離子、二元酸及其鹽類、碳成分、水可溶有機碳、脫水醣類、似腐植質成分、塑化劑。在自動儀器觀測方面,本計畫將進行短時間(20分鐘)氣膠水溶性離子濃度和較長時間的氣膠含水量量測,並分別在鹿林山觀測雲霧事件、生質燃燒事件、背景環境;在都市地區比較高濃度事件和非事件的差異。在過去,很少有科學文獻區別高層大氣和地表環境的氣膠化學成分特徵,這些成果將可促進科學界對於各種污染傳輸、演化、生成環境的瞭解,並進一步評估東亞地區氣膠—雲—輻射—氣候交互作用。此外,本計畫配合總計畫團隊開闢7-SEAS新主題:以探討東南亞生質燃燒污染物特徵化與跨境傳輸之衝擊研究為主軸,整體計畫目標是在Better Air Quality in SEA的信念下,倡議由台灣建立實體中心,並在美國NASA與NOAA支援下,帶領東南亞國家參與單位一起共同關心探討東南亞生質燃燒污染物特徵化與跨境傳輸衝擊研究的科學議題。 ;This study proposes to contrast atmospheric aerosol chemical components and their optical effects between high elevation and ground-surface stations in the next two years from August 2020 to July 2022. The comparison is based on multi-year observations of aerosol chemical characteristics from long-range transport at Mt. Lulin (2,862 m a.s.l.) and the results of temporal-spatial distribution, source apportionment, and atmospheric visibility at the six air-quality monitoring stations of Taiwan Environmental Protection Administration. Specifically, this study will manually collect atmospheric aerosols to observe mass concentration, water-soluble inorganic ions (WSIIs), dicarboxylic acids and their salts, carbonaceous content, water-soluble organic carbon, humic-like substance, anhydrosugars, and plasticizers at Mt. Lulin. For the aspect of automated monitoring, this study will conduct short-interval (20 min) WSIIs and aerosol water content of a longer time interval. The combined data will facilitate this study with an integrated assessment for the contrasts of fog, biomass burning (BB) transport, and background air at Mt. Lulin and event and non-event comparisons in the urban area. In the past, the reports on aerosol chemical characteristics of high elevation and ground surface air had been very few. The results from this study will provide the scientific society for the understandings of transport, evolution, and formation environment of various pollution activities and the further interactions among aerosol-cloud-radiation-climate in East Asia. Moreover, this study will assist the grand project in developing a new theme of 7-SEAS by investigating pollutant characteristics of BB and transboundary transport in Southeast Asia. The general objective is to build up a physical center under the belief of Better Air Quality in SEA. The whole work will have supports from the US NASA and NOAA to lead institutions from Southeast Asian countries for paying concerns to evaluate scientific issues of BB characteristics and transboundary transport impacts in Southeast Asia.
    關聯: 財團法人國家實驗研究院科技政策研究與資訊中心
    显示于类别:[環境工程研究所 ] 研究計畫

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