EPA-96-U1L1-02-101

096

4,960 千元

2007/01/01

2007/12/31

林能暉教授

監資處

何璠

國立中央大學

環境資訊系統

降水化學、微量氣體、大氣氣膠、大氣汞、大氣輻射

Precipertation,chemistry,,trace,gas,,aerosol,,mecury,,radiation

王家麟教授

李崇德教授

張允文

03-4227151ext65504

yunwen.peilan@msa.hinet.net

近年來亞洲地區大氣污染物(包含酸性物染物、亞洲沙塵、生質燃燒、大氣汞等)對我國的長程輸送已受到相當廣泛的注意。基於區域性與跨洲際大氣污染傳送問題釐清，以及我國背景大氣化學基線資料之建立，已於中部鹿林山建構具國際水準之空氣品質背景站，2006年4月13日正式啟用。本計畫整合降水化學、微量氣體、大氣氣膠、大氣汞、大氣輻射等主要領域專長研究者進行相關儀器功能測試、維護、資料分析，建立長期資料庫，截至期末報告監測資料顯示，CO平均為102.8 ppb，O3平均為31.9 ppb，PM10平均為10.0 g m-3，pH值平均為5.33，氣態元素汞(GEM)平均濃度為1.66 ng m-3；氣態二價汞(RGM)平均濃度為14.23 pg m-3；顆粒態汞(pHg)平均濃度為2.12 pg m-3，氣膠光學厚度為0.114，各污染物月平均濃度變化趨勢顯示，鹿林山春季受境外移入之大氣污染物影響顯著，3月份是東南亞生質燃燒好發季節，藉由氣流軌跡分析、污染物成分分析可初步確定高污染事件與生質燃燒有關。推動與美國環保署、太空總署、海洋大氣總署合作，進行技術交流與資料交換。積極參與國際合作，例如聯合國大氣褐雲國際觀測實驗(ABC)、美國太空總署亞洲生質燃燒國際觀測實驗(BASE-Asia)、以及其他有利我國參與之區域合作實驗等，進行實質監測、資料交換、技術交流、參與會議，並爭取會議主辦權。建置與後續維護鹿林山大氣背景站中英文網頁。

降水化學、微量氣體、大氣氣膠、大氣汞、大氣輻射

96期末報告.7z

45MB

[期末報告]公開完整版

2008/3/1 上午 12:00:00

In recent years the inputs of Asian atmospheric pollutants (for instance, acid pollutants, Asian dust, biomass burning and mercury) to Taiwan via long-range transport have been widely paid attention. In order to clarify the intercontinental and regional transport and collect the atmospheric baseline data, the Lulin atmospheric background station (LABS, 2862 m) at Mt. Lulin in central Taiwan has been operated on 13 April 2006. This project integrates those researchers in the fields of precipitation chemistry, gas chemistry, aerosol chemistry, atmospheric mercury and radiation to test the instruments, conduct data analysis and construct long-term database. Till present time, we have found that the average concentrations of CO, O3 and PM10 are about 102.8 ppb, 31.9 ppb and 10.0 g m-3, respectively. The average pH value of precipitation is 5.33. The average concentrations of mecury such as GEM, RGM and PHg are about 1.66 ng m-3, 14.23 pg m-3 and 2.12 pg m-3, respectively. The average aerosol optical depth is 0.114. To summarize the data results, the maximum concentration of pollutants generally occured during spring time, espically in March, corresponding the biomass burning from SE Asia. We have successfully extended the collaborations with USEPA, NASA, NOAA. We also have participated international experiments such as ABC and BASE-Asia. Most of information can be found at the web site of LABS (http://labs.org.tw).

Precipertation,chemistry,,trace,gas,,aerosol,,mecury,,radiation