ACOMS+ 및 학술지 리포지터리 설명회

  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

  • P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

강우분석과 모델링에 의한 원주시 대기오염물질(<TEX>$SO_2$</TEX>) 이동과 침적에 관한 연구

Studies on the Transportation and Wet Deposition of Air Pollutant(<TEX>$SO_2$</TEX>) by Modeling and Precipitation Analysis in Wonju City

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1996, v.9 no.1, pp.98-106
권영식
송동웅
강경호
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초록

대기확산 모델 TCM(Texas Climatological Model)을 이용하여 <TEX>$SO_2$</TEX> 오염도를 예측하였으며 강우분석에 의한 <TEX>$SO_2$</TEX>의 침적에 관하여 연구하였다. 원주시의 월별 <TEX>$SO_2$</TEX> 실측치와 모델예측치의 상관계수는 높은 편이었으며 <TEX>$SO_2$</TEX>는 강우에 의해 세척되어 제거되는데, <TEX>$SO_2$</TEX> 총배출량에 대한 제거율이 여름철이 가을, 겨울보다 높게 나타났으며, 이는 여름철에 강우량이 많기 때문이 고 강우량과 제거율과의 상관계수는 0.68로 나타났다. 강우량이 많은 달은 <TEX>$SO_2$</TEX> 실측치가 모델예측치보다 상당히 낮아지는 경향을 보였다.

keywords
Acid deposition, Air quality modeling

Abstract

The concentration of sulfur dioxide in Wonju City was predicted using TCM (Texas Climatological Model). We have studied the transportation and wet deposition of <TEX>$SO_2$</TEX> using the TCM and the analysis of rainfalls. The results are as follows : At the Hak-Sung Dong site in Wonju city, the correlation coefficient between the measured and calculated concentrations were 0.904. Sulfur dioxide was washed out by wet deposition. The wet deposition ratio to total amount of emitted sulfur dioxide was higher in summer than in autumn and winter seasons due to heavy rainfall in summer. The correlation coefficient between the precipitation and wet deposition of sulfur dioxide was 0.68. The months with greater rainfall showed that the measured concentrations of sulfur dioxide were much lower than the predicted ones. Although the amount of precipitation in April was smaller than in summer, the wet deposition ratio in April was much higher than any other months, due to the sulfur dioxide that was adsorbed on particulate matter and moisture was transported during the period of yellow sand phenomena from China.

keywords
Acid deposition, Air quality modeling


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