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국내 벼 논에서 메탄 기본배출계수 개발

김건엽;정현철;주옥정;김희권;박준홍;권효숙;김필주
Kim, Gun-Yeob;Jeong, Hyun-Cheol;Ju, Ok-Jung;Kim, Hee-Kwon;Park, Jun-Hong;Gwon, Hyo-Suk;Kim, Pil-Joo

  • 투고 : 2013.11.09
  • 심사 : 2013.11.15
  • 발행 : 2013.12.31

초록

BACKGROUND: Methane ($CH_4$) emission is calculated using the default $CH_4$ emission factor as recommended by the International Panel on Climate Change(IPCC guidelines). However, the default emission factor has been derived using including the data from other countries having different soil and environmental conditions and may not reflect the real $CH_4$ emission rates in Korea. The objective of this study was to estimate the baseline emission factor of $CH_4$ in Korean paddy soils during rice cultivation. METHODS AND RESULTS: Methane emission patterns were characterized in four different paddy soils across country for a consecutive 3 years during the rice cultivation period. Rice plants were cultivated under continuous flooding and fertilized using the recommended chemical fertilization in Korea ($N-P_2O_5-K_2O$=90-45-57kg/ha). The mean $CH_4$ emission rate was 2.32 kg $CH_4$/ha/day and the uncertainty of the investigated data was 21.7%, with a valuable error range at 1.82-2.82 kg $CH_4$/ha/day with a 95% confidence interval. CONCLUSION(S): Conclusively, the Korean paddy soils' baseline emission factor of $CH_4$ is approximately 2.32 kg $CH_4$/ha/day and can be used to estimate the $CH_4$ emissions more exactly.

키워드

Baseline emission factor;Korean paddy soil;Methane;Rice

참고문헌

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피인용 문헌

  1. Interannual variations in methane emission from an irrigated rice paddy caused by rainfalls during the aeration period vol.223, 2016, https://doi.org/10.1016/j.agee.2016.02.032
  2. Estimation and Mapping of Methane Emission from Rice Paddies in Gyunggi-do Using the Modified Water Management Scaling Factor vol.18, pp.4, 2016, https://doi.org/10.5532/KJAFM.2016.18.4.320

과제정보

연구 과제번호 : Cooperative Research Program for Agriculture Science & Technology Development

연구 과제 주관 기관 : Rural Development Administration