Journal of Climate Change Research (한국기후변화학회지)

The Korean Society of Climate Change Research (한국기후변화학회)
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Evaluation of Greenhouse Gas Emissions using DNDC Model from Paddy Fields of 16 Local Government Levels

우리나라 16개 지자체 벼논에서 DNDC 모델을 이용한 온실가스 배출량 평가

  • Jeong, Hyun Cheol (Division of Climate Change & Agroecology, Department of Agricultural Environment, National Academy of Agricultural Science) ;
  • Lee, Jong Sik (Division of Climate Change & Agroecology, Department of Agricultural Environment, National Academy of Agricultural Science) ;
  • Choi, Eun Jung (Division of Climate Change & Agroecology, Department of Agricultural Environment, National Academy of Agricultural Science) ;
  • Kim, Gun Yeob (Division of Climate Change & Agroecology, Department of Agricultural Environment, National Academy of Agricultural Science) ;
  • Seo, Sang Uk (Division of Climate Change & Agroecology, Department of Agricultural Environment, National Academy of Agricultural Science) ;
  • So, Kyu Ho (Division of Climate Change & Agroecology, Department of Agricultural Environment, National Academy of Agricultural Science)
  • 정현철 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 이종식 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 최은정 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 김건엽 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 서상욱 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 소규호 (국립농업과학원 농업환경부 기후변화생태과)
  • Received : 2014.10.31
  • Accepted : 2014.12.10
  • Published : 2014.12.31
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Abstract

This research was conducted to estimate methane emission from paddy field of 16 local government levels using the DNDC(DeNitrification-DeComposition) model from 1990 to 2010. Four treatments used in DNDC model for methane emission calculations were (1) midseason drainage with rice straw, (2) midseason drainage without rice straw, (3) continuous flooding with rice straw, and (4) continuous flooding without rice straw. Methane emissions at continuous flooding with rice straw were the highest ($471kg\;C\;ha^{-1}$) while were the lowest ($187kg\;C\;ha^{-1}$) at midseason drainage without rice straw. The average methane emission for 21 years was the highest ($1,406Gg\;CO_{2-eq}$.) in Jeonnam province because of its large cultivation area. Jeju province had the highest the average methane emission per unit area due to the organic content in soil.

Keywords

Acknowledgement

Supported by : 국립농업과학원