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NTIS 바로가기대한환경공학회지 = Journal of Korean Society of Environmental Engineers, v.36 no.2, 2014년, pp.75 - 83
신진환 (한국교통대학교 토목공학과) , 유채원 (한양대학교 건설환경공학과) , 안상우 (한양대학교 건설환경공학과) , 박재우 (한양대학교 건설환경공학과)
The present study estimated nitrogen budget of South Korea including nitrogen oxides (NOx) in 2011. Emission sources of NOx were calculated with the higher contributors, such as vehicles, businesses, power plants, based on the IPCC and EPA reports. Moreover, nitrogen budget was separated for city, a...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
자연계 내에서의 질소거동을 파악하는 방법은? | 1~7) 하지만 산업화 이후의 연료 및 화학비료 사용량의 급격한 증대는 수계 내 질소축적과 더불어 대기오염이 심화되어 자연계 내 질소순환이 변화되고 있는 실정이다.8,9) 자연계 내에서의 질소거동을 파악하는 방법으로 수계에 유출되는 유량과 농도를 실측하여 산출하는 방법과 환경부의 원단위법으로 배출부하량을 산정하는 방법들을 사용하고 있다. 하지만 강우, 토지이용도, 시비시기 등에 의하여 질소배출의 편차가 증대되어 합리적인 산출방법의 필요성이 증대되고 있는 실정이다. | |
질소(Nitrogen)는 어떤 형태로 순환하는가? | 질소(Nitrogen)는 질소고정(Nitrogen fixation), 무기화(Nitrogen mineralization), 질산화(Nitrification), 질소동화(Nitrogen assimilation), 탈질화(Denitrification)의 과정을 통하여 다양한 형태로 자연계에서 순환하고 있다.1~7) 하지만 산업화 이후의 연료 및 화학비료 사용량의 급격한 증대는 수계 내 질소축적과 더불어 대기오염이 심화되어 자연계 내 질소순환이 변화되고 있는 실정이다. | |
질소산화물을 포함하여 2011년 질소수지를 산정한 연구 결과 자동차로 인한 질소산화물 배출량은? | 우리나라의 질소산화물 유입과 유출은 자동차, 산업시설을 포함한 사업장, 발전시설로 구분하여 추정하였다. 자동차의 연료소비로 인한 질소산화물 배출량은 308,208 ton/yr로 질소산화물 배출량의 22.3%를 차지하는 것으로 조사되었다. |
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