• Title, Summary, Keyword: air pollution

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Korean National Emissions Inventory System and 2007 Air Pollutant Emissions

  • Lee, Dae-Gyun;Lee, Yong-Mi;Jang, Kee-Won;Yoo, Chul;Kang, Kyoung-Hee;Lee, Ju-Hyoung;Jung, Sung-Woon;Park, Jung-Min;Lee, Sang-Bo;Han, Jong-Soo;Hong, Ji-Hyung;Lee, Suk-Jo
    • Asian Journal of Atmospheric Environment
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    • v.5 no.4
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    • pp.278-291
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    • 2011
  • Korea has experienced dramatic development and has become highly industrialized and urbanized during the past 40 years, which has resulted in rapid economic growth. Due to the industrialization and urbanization, however, air pollutant emission sources have increased substantially. Rapid increases in emission sources have caused Korea to suffer from serious air pollution. An air pollutant emissions inventory is one set of essential data to help policymakers understand the current status of air pollution levels, to establish air pollution control policies and to analyze the impacts of implementation of policies, as well as for air quality studies. To accurately and realistically estimate administrative district level air pollutant emissions of Korea, we developed a Korean Emissions Inventory System named the Clean Air Policy Support System (CAPSS). In CAPSS, emissions sources are classified into four levels. Emission factors for each classification category are collected from various domestic and international research reports, and the CAPSS utilizes various national, regional and local level statistical data, compiled by approximately 150 Korean organizations. In this paper, we introduced for the first time, a Korean national emissions inventory system and release Korea's official 2007 air pollutant emissions for five regulated air pollutants.

Evaluation Method of Urban Development Location by APEI (Air Pollution Exposure Index) (대기오염 노출지표에 의한 도시개발 입지의 평가에 관한 연구)

  • Kim, Ki-Bum;Kwon, Woo-Taeg;Kim, Hyung-Chul
    • Journal of Environmental Impact Assessment
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    • v.16 no.4
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    • pp.267-275
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    • 2007
  • In this study, relationship between the air pollution of Siheung city and the relative contribution of automobiles to the city's pollution was evaluated for the first time. Then, new air pollution exposure index was developed through simulation. Using the newly developed index, two different urban development scenarios were compared to present a sustainable urban development plan to reduce air pollution from the land utilization point of view. According to the result of this simulation, air quality of the city was found to be affected significantly by human activities. More populated area showed worse level of air quality. Any development in the city resulted in more automobile activity and deterioration of air quality. This simulation result thus explains that a rapid increase of automobiles accompanied by the land development near local roadsides in the city is the major cause of air pollution in Siheung city. In this study, if urban activities are vigorous in an area with high air pollution, people are more likely to be exposed to air pollutant under the bad environmental conditions. On the other hand, if urban activities are less vigorous in an area with high pollution or if urban activities are vigorous in an area with less pollution, the environmental condition was positive. The APEI (Air Pollution Exposure Index) was developed based on these considerations. Scenarios 1 and 2 were compared and analyzed using APEI. In result, scenario 1 is the case in which land is developed and used in an environmentally favorable manner. From this study, it was proved that the impact of air pollution on human health can be minimized with proper land use. The result form the current study can be used as the basic information to solve problems from improper land utilization and air pollution (by road traffic). It also can be utilized to evaluate air pollution level according to land use and road characteristics and to help to choose the best location of land use to comply with the road function and status.

Study of Air Quality and Land Use Correlation using GIS (GIS의한 대기오염과 토지이용상태와의 상관성분석에 관한 연구)

  • 최병길;라영우
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • pp.345-352
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    • 2004
  • This study analyzes interrelationship with air pollution quality and land use patterns using GIS. The relationship can be obtained via three steps: (1) making out air pollution map from air pollution information of study area, (2) dividing land use patterns into residential area, commercial area, industrial area, traffic concentrated area, and non-polluted area, and (3) spatial overlaying analysis of GIS. Moreover, through analyzing air pollution quality by land use patterns, pollution sources can be identified. The results also coincide with the characteristics of conventional air pollution finding. More detailed analyses using articulated on site air pollution quality measurement databases are needed to correctly identify the pollution sources through finding interrelationship with land use patterns and air pollution Quality using GIS. The developed method can help trace the path of pollution sources and plan urban land use projects.

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Development of Air Pollution Information System Using GIS (e-AIR) (GIS를 이용한 대기질 관리 정보 지원시스템(e-AIR) 구현( I ))

  • 박기학;오승교
    • Journal of environmental and Sanitary engineering
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    • v.18 no.2
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    • pp.42-51
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    • 2003
  • Public awareness of air pollution problem has increased the need for real time air pollution information system about changes in air pollution level. The purpose of this study is to construct e-AIR, a user-friendly air pollution information system for urban air quality using GIS(geographic information system) technology for windows. GIS was ideally suited featuring a geographical characteristics(e.g., road, traffics, buildings) and very effectively used in mapping and symbolization for the distribution of the spatial/periodic pollution status(e.g., pie or column chart, graduated symbols) which can be effectively applied to a information system on the web-site. And a user interface, GUI(graphic user interface) was designed very diversely and simply enabled the users connect with e-AIR and obtain a useful information of air quality. A interpretive technique, air pollution health index(e.g., PSI, AEI) was used also which transforms complex data on measured atmospheric pollutant concentrations into a single number or set of numbers in order to make the data more understandable. Eventually the final-step of this study was to construct e-AIR based on Web GIS could be assessed anywhere if internet is available and offer a very useful information services of the air pollution to the public like a weather news.

Study on Development of the Air Pollution Management System for Disaster Prevention of Air Pollution (대기오염 재해방지를 위한 대기오염 관리시스템 구축에 관한 연구)

  • Lim, Ik-Hyun;Hwang, Eui Jin;Ryu, Ji Hyeob
    • Journal of Korean Society of societal Security
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    • v.2 no.1
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    • pp.65-74
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    • 2009
  • In this study, the air pollution management system based GIS has been developed to estimate the emission rate and air pollution modeling of air pollutants, effectively. This system is able to estimate emission rate of air pollutant and to analyze the emission characteristics with high spatial and temporal resolution. air pollution modeling. The air pollution management system was applied to Gwangyang Bay including large industry complex with a large number of emission sources. The air pollution management system was constructed using the spatial database of emission sources in Gwangyang Bay. It was found that the estimated emission rates of air pollutants is similar to the emission characteristics in Gwangyang Bay. Also, the spatial distribution of pollutants was similar to the location of emission sources. The predicted results of air pollution model was showed a good correlation coefficient (0.75) for TSP. The air pollution management system is expected to be effective tool (database system (GIS)) for the management and the control of air pollution.

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Review of Air Pollution and the Related Regulations in China

  • Qi, Shang
    • Proceedings of the Korean Environmental Health Society Conference
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    • pp.50-65
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    • 2003
  • Air pollution is very serious in China. This paper reviews the relevant research and countermeasures in China. The followings are focused in this article: 1) three major types of air pollutions: sulphur dioxide, vehicle emission and indoor air pollution; 2) the health effect of the three types of pollution; 3) major countermeasures adopted by Chinese Government.

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Vehicle-related Fine Particulate Air Pollution in Seoul, Korea

  • Bae, Gwi-Nam;Lee, Seung-Bok;Park, Su-Mi
    • Asian Journal of Atmospheric Environment
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    • v.1 no.1
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    • pp.1-8
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    • 2007
  • Vehicle exhaust is a dominant source of air pollutants in urban areas. Since people are easily exposed to vehicle exhaust particles while driving a car and/or traveling via public transportation, air pollution near traffic has been extensively studied in developed countries. In this paper, investigations on vehicle-related fine particulate air pollution at roadsides and on roads in Seoul, Korea were reviewed to understand air pollution near traffic. Comparison of $PM_{10}$ concentrations in Seoul showed that roadside air is more contaminated than urban air, implying that exposure levels near vehicular emissions are more critical to sensitive persons. Concentrations of ultrafine particles and BC (black carbon) at roadsides of Seoul fluctuate highly for short durations, responding to traffic situations. Diurnal variations of ultrafine particles and BC concentrations at roadsides seem to be affected by traffic volume, mixing layer height, and wind speed. Concentrations of ultrafine particles and BC decrease as distance from the road increases due to dilution during transport. On-road air pollution seems to be more severe than roadside air pollution in Seoul. Since nearby traffic air pollution has not been well understood in Seoul, further studies including various vehicular air pollutants and representative locations are needed.

A Study on Development of Air Pollution Weather Forecast System over Pusan Coastal Area - Centering around Forecast of Ozone Episode Day- (부산연안역에서의 대기오염기상 예보시스템 개발에 관한 연구 -고농도 오존일의 예측을 중심으로-)

  • 김유근;이화운
    • Journal of Environmental Science International
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    • v.5 no.4
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    • pp.399-410
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    • 1996
  • Pusan is the largest coastal city with a population of about four mi18ion in Korea. Because of increased and confused traffic, photochemical air pollution become a major urban environmental problem recently. The photo-chemical air pollution weather forecasting method preciser than existing air pollution forecast method has been developed to forecast ozone episode days with meteorological conditions using the data measured at 7 air quality continuous monitoring stations from lune to September using 2 years (1994, 1995). The method developed in present study showed higher percentage correct and skill score than existing air pollution forecasting in KMA ( Korea Meteorological Administration).

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Effects of solanum macrocarpon (African eggplant) on haematological parameters of wistar rats exposed to urban air pollution

  • Olajire, A.A.;Azeez, L.
    • Advances in environmental research
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    • v.1 no.2
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    • pp.109-123
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    • 2012
  • Our study investigated the effects of Solanum macrocarpon (African eggplant) on haematological and biochemical parameters of male albino rats exposed to urban air pollution ($O_3$, $PM_{10}$, CO, $SO_2$, $NO_2$ and VOC). Male albino Wistar rats were exposed for 63 days either to urban air pollution without treatment (A); oral supplementation with Solanum macrocarpon given at 36 and 75 mg/kg body weight (BW), representing C and D respectively and exposed to air pollution; oral supplementation with Solanum macrocarpon given at 75 mg/kg BW after exposure to air pollution (B); or kept in animal house without exposure to air pollution (E). Animals exposed to air pollution showed significant alterations in haematological and biochemical parameters signaling that the blood and organs were badly injured. There were significant elevations in white blood cells (WBC) and its indices, reduction in red blood cells (RBC) and significant depletions of non-enzymic antioxidants, total protein and increase in lipid peroxidation values. Solanum macrocarpon supplementation in the feed of animals halted significantly the deleterious effects of air pollution, with co-administration during exposure given better results.

Air Pollution Forecasting Using Urban Transportation Planning Models and Air Pollution Dispersion Models (都市交通計劃 모델과 大氣汚染 擴散모델을 이용한 都市地域 大氣汚染 豫測)

  • 董宗仁;趙康來;金良均;兪 浣
    • Journal of Korean Society for Atmospheric Environment
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    • v.2 no.2
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    • pp.31-40
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    • 1986
  • Motor vehicle related air pollution has become more serious because of rapid increase of number of cars, specially in the urban area. The increase trend seems to be accelerated, however, the fact is that road conditions, parking facilities and traffic control systems are far behind coping with this situation. In spite of the lack of related basic data, urban transportation planning (UPT) and air pollution dispersion models were applied to predict air pollution level. In standard UPT model, trip generation, distribution, modal split and network assignment were estimated by experimental equations and appropriate models. The air pollution level in the central business area was believed to be higher and it will increase continuously due to the increase of traffic demand. To meet this situation, air pollution problem should be considered as a part of integrated plannings of urban plans or transportation plans as well as more stringent motor vehicle emission standards, have to be enforced.

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