지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.8
- 수록면
- 360 - 371 (12page)
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초록· 키워드
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The goal of this research is to examine the recent decade-long (2000~2014) trends of national background concentrations over China, Japan, and Korea. Based on the Long-range Transboundary Air Pollutants in Northeast Asia(LTP) project, which is three-party collaboration project among three countries, we investigated the long-term trends of national background PM10 concentrations in three countries over the recent 15 years, including the 2008 Beijing Olympic Game period. In accordance with the agreement among three countries, a total of 8 national background sites: three national background monitoring sites in China (2 sites in Dalian, and 1 in Xiamen), three sites in Korea (Ganghwa, Gosan, and Taean), and two sites in Japan (Oki and Rishiri), were chosen for the trend analysis.
The results showed that Chinese background concentration recorded the highest level overall. However, the rapid declining recent trends of annual median (50<SUP>th</SUP>-percentile) values were surprisingly detected since 2006 or 2007 in every site in China, with the most rapidly decreasing rate (- 18.6±10.3%/year) over 2006~2007, and the second most rapidly decreasing rate (- 18.0±1.5%/year) over 2007~2008. Based on the previous statistical literature, we concluded that this declining trends were due to the emission reduction of PM10 concentrations in China for 2008 Beijing Olympic Game. In Korea, Ganghwa was also showing the decreasing trends over the recent years since 2006, which is also well accorded with the decreasing period of Chinese background concentrations. Taean also implied some impact of Beijing Olympic Game, showing small but detectable decreasing trends, while Gosan showed the increasing tendencies probably due to the near-urban influences. However, since 2012, most sites in both China and Korea showed strong increasing trends, undoubtedly implying the increasement of both emission in China and its long-range transport process toward Korea. Two sites in Japan, Oki and Rishiri recorded the lowest level of PM<SUB>10</SUB> level during whole period with the smallest deviations of measurements. Other discussions including the decade-long trends of 5<SUP>th</SUP>, 10<SUP>th</SUP>, 25<SUP>th</SUP>, 50<SUP>th</SUP>, 75<SUP>th</SUP>, 90<SUP>th</SUP>, 95<SUP>th</SUP>-percentiles of PM<SUB>10</SUB> background concentrations in three countries were also comparatively addressed here.
The results showed that Chinese background concentration recorded the highest level overall. However, the rapid declining recent trends of annual median (50<SUP>th</SUP>-percentile) values were surprisingly detected since 2006 or 2007 in every site in China, with the most rapidly decreasing rate (- 18.6±10.3%/year) over 2006~2007, and the second most rapidly decreasing rate (- 18.0±1.5%/year) over 2007~2008. Based on the previous statistical literature, we concluded that this declining trends were due to the emission reduction of PM10 concentrations in China for 2008 Beijing Olympic Game. In Korea, Ganghwa was also showing the decreasing trends over the recent years since 2006, which is also well accorded with the decreasing period of Chinese background concentrations. Taean also implied some impact of Beijing Olympic Game, showing small but detectable decreasing trends, while Gosan showed the increasing tendencies probably due to the near-urban influences. However, since 2012, most sites in both China and Korea showed strong increasing trends, undoubtedly implying the increasement of both emission in China and its long-range transport process toward Korea. Two sites in Japan, Oki and Rishiri recorded the lowest level of PM<SUB>10</SUB> level during whole period with the smallest deviations of measurements. Other discussions including the decade-long trends of 5<SUP>th</SUP>, 10<SUP>th</SUP>, 25<SUP>th</SUP>, 50<SUP>th</SUP>, 75<SUP>th</SUP>, 90<SUP>th</SUP>, 95<SUP>th</SUP>-percentiles of PM<SUB>10</SUB> background concentrations in three countries were also comparatively addressed here.
목차
Abstract
1. 서론
2. 연구 방법
3. 결과 및 분석
4. 결론
References
참고문헌 (19)
참고문헌 신청
[학술지(정기간행물)] - Choi, K.-C. / 2014 / Assessment of transboundary ozone contribution toward south Korea using multiple sourcereceptor modeling technique / Atmospheric Environment 92 : 118 ~ 129
[보고서] - Environmental Protection Agency (EPA) / 2014 / Policy Assessment for the Review of the Ozone National Ambient Air Quality Standards
[학술지(정기간행물)] - Hu, D. / 2013 / A Study of Smog Issues and PM2.5Pollutant Control Strategies in China / Journal of Environmental Protection 4 : 746 ~ 752
[학술지(정기간행물)] - 강창희 / 2012 / 제주도 고산지역의 라돈 배경농도 실시간 모니터링 / 분석과학 25 (1) : 7 ~ 13
[학술지(정기간행물)] - Kim, C.-H. / 2012 / Sulfur deposition simulations over China, Japan and Korea: A model intercomparison study for abating sulfur emission / Environmental Science and Pollution Research 19 (9) : 4073 ~ 4089
[보고서] - Environmental Protection Agency (EPA) / 2014 / Policy Assessment for the Review of the Ozone National Ambient Air Quality Standards
[학술지(정기간행물)] - Hu, D. / 2013 / A Study of Smog Issues and PM2.5Pollutant Control Strategies in China / Journal of Environmental Protection 4 : 746 ~ 752
[학술지(정기간행물)] - 강창희 / 2012 / 제주도 고산지역의 라돈 배경농도 실시간 모니터링 / 분석과학 25 (1) : 7 ~ 13
[학술지(정기간행물)] - Kim, C.-H. / 2012 / Sulfur deposition simulations over China, Japan and Korea: A model intercomparison study for abating sulfur emission / Environmental Science and Pollution Research 19 (9) : 4073 ~ 4089
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