The metallic composition of airborne particles in seven locations of Seoul city, Korea

대기 분진 중 중금속 성분의 공간적 농도분포 특성 비교: 서울시 7개 관측점을 중심으로

  • Choi, Bae-Jin (Dept. of Chemistry, Dongguk University) ;
  • Kim, Ki-Hyun (Dept. of Earth & Environmental Sciences, Sejong University)
  • Received : 2003.02.04
  • Accepted : 2003.03.18
  • Published : 2003.04.25

Abstract

In the present study, we made measurements of PM-bound metal concentrations from seven different urbanized locations in Seoul for the period covering March 2001 through May 2002. The measurement data were analyzed to explore the possible influences of spatial factors on metal distribution characteristics. To check for the importance of such aspects on metal distribution characteristics, the measured data were compared between different metals and between different sites by several criteria including (1) coefficient of variation (CV) values; (2) temporal variability; and (3) the abundance of strongly correlated pairs. The overall results of our study indicate strong diversity in the distribution characteristics of different metals. It is found that some metals (like Fe, Mn, and Pb) tend to exhibit strong compatibility among different study sites. However, no such compatibility appears to exist for certain metals like Cu. To account for the importance of spatial factors, complex relationships between source/sink processes and geochemical characteristics of a given metallic component may have to be examined in a systematic manner.

서울시에 소재한 7개 측정점으로부터 입자상물질에 결합된 금속성분의 농도를 약 1년여 기간동안 관측하였다 (2001년 3월~2002년 5월). 본 관측자료를 토대로 공간적 요인이 금속성분의 분포특성에 어떠한 방식으로 영향을 미치는 가를 조사하였다. 이러한 분석을 위해, 변이계수, 시간적 변이성, 상관성 발생의 빈도 등과 같은 기준을 활용하였다. 본 연구 결과에 의하면, 금속성분의 농도분포가 상당히 다양한 요인들의 영향에 종속된다는 사실이 확인되었다. 특히 Fe, Mn, Pb 등의 성분들은 이질적인 지역들간에도 대단히 강한 유사성을 보이는데 반해, Cu와 같은 성분은 이러한 경향을 전혀 찾기가 어려웠다. 이러한 공간적 요인의 특성을 상세하기 설명하기 위해서는 개별 성분의 지화학적 요인을 발생/소멸현상과 연계하여 설명하는 것이 중요하다.

Keywords

References

  1. J. Geophys. Res. 104(D15) v.18 K.D. Perry;T.A. Cahill;R. C. Schell;J. M. Harris
  2. Atmospheric Environment v.36 no.4 A decadal shift in total gaseous mercury concentration levels in Seoul, Korea: changes between the late 1980s and the late 1990s K.-H. Kim;M. Y. Kim https://doi.org/10.1016/S1352-2310(01)00470-8
  3. Chemosphere v.39 no.5 Particulate-associated heavy metals in the urban environment: their transport from source to deposit, Coventry, UK S. M. Charlesworth;J. A. Lees https://doi.org/10.1016/S0045-6535(99)00017-X
  4. Atmos. Environ. v.31 no.4 K.-H. Kim;D.-S. Kim
  5. Atmos. Environ. v.32 no.4 W. H. Schroeder;J. Munthe
  6. Geochimica et Cosmochimica Acta v.43 no.4 Atmospheric trace metals: global cycles and assessment of man's impact R.J. Lantzy;F. T. Mackenzie https://doi.org/10.1016/0016-7037(79)90162-5
  7. The Continental Crust: Its Composition and Evolution S. R. Taylor;S. M. McLennan
  8. Environmental Pollution v.118 no.1 Metals in airborne particulate matter from the first and second industrial complex area of Taejon city, Korea K.-H. Kim;J.-H. Lee;M.-S. Jang https://doi.org/10.1016/S0269-7491(01)00279-2
  9. Environmental Pollution v.111 no.1 Sources, distribution and variability of airborne trace metals in La Plata City area, Argentina C. Bilos;J.C. Colombo;C.N. Skorupka;M.J. Rodriguez Presa https://doi.org/10.1016/S0269-7491(99)00328-0
  10. Water Air and Soil Pollution v.111 no.1 Heavy Metal Pollution of Agricultural Soils in Central Regions of Korea K.-H. Kim;S.-H. Kim https://doi.org/10.1023/A:1005056310428