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서지반출
Development of A Single Reservoir Agricultural Drought Evaluation Model for Paddy
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  • Development of A Single Reservoir Agricultural Drought Evaluation Model for Paddy
  • Development of A Single Reservoir Agricultural Drought Evaluation Model for Paddy
저자명
정하우,최진용,박기욱,배승종,장민원,Chung. Ha-Woo,Choi. Jin-Yong,Park. Ki-Wook,Bae. Seung-Jong,Jang. Min-Won
간행물명
한국농공학회논문집
권/호정보
2004년|46권 3호|pp.17-30 (14 pages)
발행정보
한국농공학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

This study aimed to develop an agricultural drought assessment methodology for irrigated paddy field districts from a single reservoir. Agricultural drought was defined as the reservoir storage shortage state that cannot satisfy water requirement from the paddy fields. The suggested model, SRADEMP (a Single Reservoir Agricultural Drought Evaluation Model for Paddy), was composed of 4 submodels: PWBM (Paddy Water Balance Model), RWBM (Reservoir Water Balance Model), FA (Frequency and probability Analysis model), and DCI (Drought Classification and Indexing model). Two indices, PDF (Paddy Drought Frequency) and PDI (Paddy Drought Index) were also introduced to classify agricultural drought severity Both values were divided into 4 steps, i.e. normal, moderate drought, severe drought, and extreme drought. Each step of PDI was ranged from +4.2 to -1.39, from -1.39 to -3.33, from -3.33 to -4.0 and less than -4.0, respectively. SRADEMP was applied to Jangheung reservoir irrigation district, and the results showed good relationships between simulated results and the observed data including historical drought records showing that SRADEMP explains better the drought conditions in irrigated paddy districts than PDSI.