• Title/Summary/Keyword: atmospheric pollution

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아스콘 제조 시설에서의 먼지 배출량 산정 방안 연구 (A Study on Estimating PM Emission from Asphalt-Concrete Manufacturing Facilities)

  • 장기원;이상보;김종현;김형천;홍지형;김상균
    • 한국대기환경학회지
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    • 제30권1호
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    • pp.37-47
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    • 2014
  • In this study, field measurement was carried out for reasonable improvement of asphalt concrete manufacturing facilities' PM emissions estimation method. Through those, this study calculated PM emission factor and tried to estimate PM emissions from asphalt concrete manufacturing facilities suitable for domestic characteristics. As a result, the efficiency of the PM control device was measured as 99.9%. Using this, uncontrolled PM emission factor was calculated. PM emission factor was calculated 10.97 kg/ton at 23 asphalt concrete manufacturing facilities of 22 workplaces. The PM current emission factor of the US Environment Protection Agency (EPA) is 14.4 kg/ton, the factor calculated from this study is about 24% lower than the EPA standard.

서울에서의 미세먼지 저감을 위한 인공강수 가능성 진단 (An Assessment of the Effectiveness of Cloud Seeding as a Measure of Air Quality Improvement in the Seoul Metropolitan Area)

  • 송재인;염성수
    • 대기
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    • 제29권5호
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    • pp.609-614
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    • 2019
  • Cloud seeding experiment has been proposed as a way to alleviate severe air pollution problem because, if successful, artificially produced precipitation through cloud seeding could scavenge out some portion of air pollutants. As a first step to verify the practicality of such experiment, seedability of the clouds observed in Seoul is assessed by examining statistical characteristics of some relevant meteorological variables. Analyses of 9 years of Korea Meteorological Agency Seoul station data indicate that as PM10 mass concentration increases, cloud amount, liquid water path, and ice water path decrease, but the difference between temperature and dew point temperature tends to increase. Such finding suggests that cloud seeding becomes less feasible as air pollution becomes more severe in the Seoul metropolitan area, at least in a statistical sense. For some individual severe air pollution events, however, seedable clouds may exist and indeed cloud seeding experiments can be successful. Therefore, detailed investigation on cloud seedability for individual severe air pollution events are highly required to make a concrete assessment of cloud seeding as a way to alleviate severe air pollution problem.

조건부 가치 설문조사를 통한 대기 오염에 대한 서울 시민의 인식 변화 조사 (Contingent Valuation Survey on Changes in Citizens' Perception on Atmospheric Pollution in Seoul, Korea)

  • 홍제우;홍진규;김정환
    • 대기
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    • 제29권2호
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    • pp.213-218
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    • 2019
  • A valuation of air pollution is critical for relevant policy-making for the public and research direction. This study conducted a willingness-to-pay (WTP) survey using contingent valuation method (CVM) in Seoul Korea. In detail, this study puts an emphasis on its temporal changes referred on two surveys conducted in 2014 and 2019. In reference to the previous studies in 2002, our survey indicated that the public awareness of air pollution and interests on its sources and solutions increased noticeably. Our survey showed that WTP increased significantly from 2588 to 4827 and 8240 Korean Won $month^{-1}$ in 2002, 2014, and 2019, respectively. Moreover, the percentage of respondents to pay the WTP also increased from 48% to 68% and 79% in 2002, 2014, and 2019, respectively. Our analysis based on the number of Google search on particulate matters (PMs) strongly suggests that such the noticeable increases of the public attention to air pollution is well accorded with the moment of the announcement of a standard for ultra-fine particles and the start of PM prediction in late 2013. But the Google search rate grew about 16.7 times in 2009 compared to 2014, which is much larger than the growth rate of interest and WTP between 2014 and 2019. Our results shed light on policy decision for the right person in the right place on the right time in the era of air pollution.

Regional Air Pollution Problems in East Asia and International Role of Research Exchange

  • Akimoto, Hajime
    • 한국대기환경학회:학술대회논문집
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    • 한국대기환경학회 2000년도 추계학술대회 논문집
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    • pp.8-8
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    • 2000
  • As economy and population have been growing, air pollution problems both in local and regional scale came to the surface in East Asia in last decades. In addition to urban problems, regional air pollution is also becoming a big issue international concern. Urban and regional air pollution issues are closely related and we have to tackle the problem by understanding underlying scientific reality and taking a strategic approach to mitigation. (omitted)

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실내공기오염

  • 차철환
    • 한국대기환경학회:학술대회논문집
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    • 한국대기환경학회 1987년도 제5회 학술대회 요지집
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    • pp.3-3
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    • 1987

Receptor Modeling

  • 이학성
    • 한국대기환경학회:학술대회논문집
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    • 한국대기환경학회 1994년도 제19회 추계 대기보전학술대회 요지집
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    • pp.109-109
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    • 1994