인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
피인용 0
초록·키워드
To monitor climate change and support carbon neutrality, seven greenhouse gas monitoring stations were established in Chungcheongnam-do, South Korea. These were located in two urban areas (Cheonan and Asan), three industrial areas (Seosan, Dangjin and Boryeong), and two agricultural areas (Nonsan and Hongseong). From October to December 2024, carbon dioxide (CO₂ ) and methane (CH₄) concentrations were measured as representative greenhouse gases. The average CO₂ concentration across the seven areas was 458.1 ppm, with the highest observed in Dangjin at 465.0 ppm, and CO₂ concentrations tended to be higher in urban areas. Local factors, such as the location of the measurement site (e.g., city center vs. suburbs) and nearby pollution sources significantly influenced the concentrations. The average CH₄ concentration was 2.205 ppm, with the highest concentration in Dangjin at 2.259 ppm. While CO₂ and CH₄ concentrations varied by region, they generally increased from evening to early morning and decreased during the daytime. CO₂ showed a stronger correlation with nitrogen dioxide (NO₂) and carbon monoxide (CO) than did CH₄. CO₂ enhancement (ΔCO₂) varies depending on the definition of background concentration using direct measurements at background sites or statistical lower-bound values. This suggests that careful consideration is needed when applying different methodologies to study and assess the distribution characteristics of greenhouse gases.
본문·목차
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