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Analysis of Greenhouse Gas Emission Models and Evaluation of Their Application on Agricultural Lands in Korea

토양 온실가스 배출 예측 모델 분석 및 국내 농경지 적용성 평가

Wonjae Hwang1
,
Minseok Park1
,
Yong-Seong Kim1
,
Kijong Cho1
,
Woo-Kyun Lee1
,
Seunghun Hyun1*
황 원재1
,
박 민석1
,
김 용성1
,
조 기종1
,
이 우균1
,
현 승훈1*
1Division of Environmental Science and Ecological Engineering, Korea University
1고려대학교 환경생태공학부
*교신저자. *Corresponding Author. 
30 June 2015. pp. 185-190
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Abstract

Greenhouse gas (GHG) emission from agricultural lands is recognized as one of important factors of global warming. The objective of this short communication was to evaluate the applicability of different soil GHG emission prediction models on agricultural systems in Korea. Four models, namely, DNDC, DAYCENT, EXPERT-N and COUP, were selected and the basic structure (e.g., components and sub-model), input variables, and output variables were compared. In particular, the availability and compilation of essential input variables were assessed. Major input variables needed for operating these predictive models were found to be available through database systems established by national organizations such as the Korea Meteorological Administration, the Korean Soil Information System, and the Rural Development Administration. However, in order to apply these models in Korea, it was necessary to calibrate and validate each of the models for the domestic landscape settings and climate conditions. In addition, field data of long-term monitoring of GHG emission from agricultural lands are limited and therefore should be measured.

Keywords
Agricultural Land
COUP
DAYCENT
DNDC
EXPERT-N
Greenhouse Gas Model

농경지 토양에서 배출되는 온실가스는 기후변화와 지구온난화에 영향을 미치는 중요한 요인 중 하나이다. 본 연구에서는 해외에서 개발되어 이용되고 있는 DNDC, DAYCENT, EXPER-N, COUP 모델의 기본적인 구조와 입력, 출력 인자를 분석함으로써 국내 적용 가능성을 평가하였으며, 현재 국내의 여건에서 각 모델의 구동에 요구되는 필수 입력 인자의 형태와 확보 가능성에 대해 조사하였다. 모델 구동의 필수 인자는 기상청, 한국토양정보시스템, 농촌진흥청 등의 국내 관계 기관 의 자료를 통해 확보할 수 있다. 하지만 실제 국내 적용을 위해서는 국내 지형과 기후 조건을 반영하고 모델의 보정과 검증을 통해 모델을 교정할 필요가 있다. 또한, 다양한 조건의 농경지를 대상으로 한 장기적인 현장 온실가스 발생 모니터링 자료 구축이 필요하다.

키워드
농경지
COUP
DAYCENT
DNDC
EXPERT-N
온실가스모형
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Information
  • Publisher :Korean Society of Ecology and Infrastructure Engineering
  • Publisher(Ko) :응용생태공학회
  • Journal Title :Ecology and Resilient Infrastructure
  • Journal Title(Ko) :응용생태공학회 논문집
  • Volume : 2
  • No :2
  • Pages :185-190
  • Received Date : 2015-05-12
  • Revised Date : 2015-05-22
  • Accepted Date : 2015-06-30
  • DOI :https://doi.org/10.17820/eri.2015.2.2.185
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