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위성 (OMI)을 활용한 한반도 지역 NO<sub>2</sub> 분석
김덕래,최원준,이준석,김승연,홍준석,송창근,이재범,홍유덕,이석조,Kim, Deok-Rae,Choi, Won-Jun,Lee, Joon-Suk,Kim, Seung-Yeon,Hong, Jun-Suk,Song, Chang-Keun,Lee, Jae-Bum,Hong, You-Deog,Lee, Suk-Jo 한국대기환경학회 2012 한국대기환경학회지 Vol.28 No.3
Monitoring of climate change and atmospheric environment by satellite measurements has been increased in recent years. In this study, nitrogen dioxide ($NO_2$) measurements from Ozone Monitoring Instrument (OMI) were compared with surface measurements over the Korean peninsula. $NO_2$ from OMI measurements showed high values and also showed seasonal variations such as high concentration in winter and low in summer over metropolitan areas while $NO_2$ concentration at national background station was low and did not clearly show seasonal variations. Surface measurements showed similar temporal and spatial variations to those of satellite measurement. The comparison between satellite measurements and surface measurements showed that the correlation between them was higher in urban area (r=0.64 at Seoul and r=0.63 at Daegu) than in national background stations (r=0.37 at Jeju) because the concentration in urban area was relatively high so that the variation of $NO_2$ concentration could be detected better than at national background stations by satellite. Satellite can effectively measure the emission and transport of pollutants with no limitations in spatial coverage.
박정민(Jung-min Park),이상보(Sang-bo Lee),김민정(Min-jung Kim),김진필(Jin-pil Kim),김종춘(Jong-chooun Kim),이석조(Suk-jo Lee),이상학(Sang-hak Lee) 대한환경위생공학회 2009 대한환경위생공학회지 Vol.24 No.3
We have closely examined the concentration change characteristics, emission amounts, and the material balance of hazardous air pollutants at both early and later stages of the prevention facilities. These results will be uses as the basic data when preparing for the regulatory and management plans for hazardous air pollutants. The results of the study on heavy metals illustrated that the content of heavy metals in sludge across five facilities were as follows: copper>zinc>chrome>nickel>cadmium>mercury. In terms of heavy metal content in swage sludge, the sludge in incinerating facilities other than the sludge in the D incinerating facility containing industrial water waste, was examined in order to satisfy the ocean contamination standard and fertilizer specifications. Most of the items were shown to have satisfied the emission tolerance standards in the latter part of the prevention facilities(The average elimination rate was over 90%). Therefore, it is concluded that swage sludge containing high-concentrate heavy metals needs to be incinerated rather than recycled as fertilizer.