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자료유형
학술저널
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한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제20권 제6호
발행연도
2004.12
수록면
749 - 758 (10page)

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Nitrous oxide (N₂O) has been known as an Important trace gas due to the greenhouse gas and the major source of stratospheric oxide of nitrogen (NO) Sails the major source of N₂O in nature The physicochemical characteristics of soils affect the emission of N₂O from soil These physicochemical parameters are soil temperature, soil temperature, and Soli N content. Since these parameters are correlated to the flux of N₂O from soil individually and compositely, there still remain many unknowns 10 the mechanism to produce N₂O in soil and the roles of, such physicochemical parameters which affect the soil N₂O emission Soil N₂O fluxes were measured at different level In water filled pore space (WFPS), soil temperature and soil N contents from the same amounts of soils which were sampled from agriculturally managed upland field In a depth of ~30cm at Kunsan The soil N₂O flux measurements were conducted In a laboratory with a closed flux chamber system The optimum soil moisture and soli temperature were observed at 60% of WFPS and ~l3°C The sod N₂O flux increased as soil N contents increases during the whole experimental hours (up to 48 hours) However, average N₂O flux decreased after ~30 hours when organic carbon was mixed with nitrogen In the sample soils It is suggested that organic carbon could be Important for the emission of N₂O, and that the ratio of N to C needs to be identified in the process of N₂O soil emission.

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Abstract

1. 서론

2. 배출량 측정챔버 및 측정방법

3. 결과 및 논의

4. 결론 및 고찰

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