[논문]우리나라 휘발성유기화합물 화학종의 장기 거동 특성 - 광화학오염물질 측정자료 분석

박지훈; 강소영; 송인호; 이동원; 조석연

doi:10.5572/kosae.2018.34.1.056

[국내논문] 우리나라 휘발성유기화합물 화학종의 장기 거동 특성 - 광화학오염물질 측정자료 분석
Characteristics of long-term behavior of VOC species in Korea - PAMS data analysis 원문보기

한국대기환경학회지 = Journal of Korean Society for Atmospheric Environment, v.34 no.1, 2018년, pp.56 - 75

박지훈 (인하대학교 공과대학 환경공학과) , 강소영 (국립환경과학원 기후대기연구부 대기환경연구과) , 송인호 (인하대학교 공과대학 환경공학과) , 이동원 (국립환경과학원 기후대기연구부 대기환경연구과) , 조석연 (인하대학교 공과대학 환경공학과)

Abstract ▼ AI-Helper

Korean Photochemical Assessment Monitoring Stations (PAMS) have been established since the late 2001 to monitor ambient air concentrations of VOC species, which would enhance understanding photo-chemical formation of ozone and subsequently contribute to developing efficient ozone control strategies. The present study aims at identifying major VOC species and examining their trends by analyzing PAMS monitoring data collected from the year 2006 to 2016. All the 18 PAMS sites operated by the Ministry of Environment were included in the study. PAMS monitored the 56 target VOC species, which are classified into four groups, alkenes, lower alkanes ($C{\leq}3$), higher alkanes ($C{\geq}4$), aromatics. The higher alkanes and aromatics dominated over the lower alkanes and alkenes in the type 2 and 3 PAMS sites except Joongheung site. N-butane was a major alkane species, toluene was a major aromatic species and most of VOCs showed decreasing trends in these sites. On the other hand, only the alkenes showed decreasing trends at the Joongheung site in Yeosu. Major sources of abundant species such as ethane, propane, n-butane, toluene were estimated by analyzing seasonal variations, correlation with other VOC species, and emission profiles. A major source of n-butane was identified as LPG cars, while major sources of toluene varied considerably from one site to another. The lower alkanes were composed of ethane and propane, both of which showed a strong seasonal variation, low in the summer and high in the winter, indicating that a major source might be the heating by gaseous fuels. Ozone formation potentials of VOC species were evaluated by applying MIR and POCP to the measured VOC species concentrations. Toluene contributed the most to total ozone forming potentials followed by m,p-xylene for all the type 2 and 3 PAMS sites except for two sites in Yeosu-Gwangyang. Ethylene and propylene were the first and second contributors to total ozone forming potentials at Joongheung site in Yeosu.

Keyword

질의응답

핵심어	질문	논문에서 추출한 답변
	Iso-pentane이란 ?	Iso-pentane은 2,2,4 trimethyl pentane과 함께 휘발유의 표시종 (marker species)로 알려져 있다 (Main and Roberts, 2001). 그러나 구월동과 당감동 측정소를 포함한 우리나라 2형 및 3형 광화학오염물질 측정소에서 Iso-pentane과 2,2,4 trimethyl pentane의 농도는 미국보다 크게 낮게 나타났다.
	VOC 배출량 저감을 위해 우리나라의 현황은 ?	광화학오염물질 측정소는 56개 오존전구 VOC를 실시간으로 측정 하여 오존 저감에 가장 효율적인 VOC 배출량 저감안의 도출에 도움을 준다. 우리나라는 2001년 말부터 수도권을 시작으로 광화학오염물질 측정소를 설치하여 운영하고 있는데, 본 연구에서는 수도권, 부산권, 대구권, 여수광양권에서 VOC의 시공간 분포특성, 장기추이, 오존생성 특성을 조사하였다.
	오존의 다른 특징 ?	기준성 대기오염물질의 하나인 오존은 다른 기준성 오염물질과는 달리 우리나라는 물론 북반구 산업국가의 대부분 지역에서 농도가 증가하고 있다 (Lin et al., 2017; Han et al.

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