평화의댐의 다목적 활용을 고려한 홍수저류효과 평가 = Evaluation of the flood storage effect considering multipurpose utilization of the Peace dam

다국어 초록 (Multilingual Abstract)

The Peace Dam is located in near the demilitarized zone (DMZ) of the North Han River shared between South and North Korea. It was originally planned to prepare for the effects of the potential breakage of the Imnam dam in North Korea. So, it was made as a simple flood control dam that does not involve any water supply or hydropower generation. However, the recent reconciliation efforts between South and North Korea have raised the possibility for its multipurpose utilization. This Study evaluates the possible increase of the flood control ability of the Peace Dam under the condition of its multipurpose utilization, i.e., changing it from a flood control dam to a multipurpose dam. The allocation of flood control and water conservation storage for its multipurpose utilization was assumed to follow that of other similar-sized dams in Korea. The flood control ability was quantified by introducing the concept of storage coefficient based on a nonlinear reservoir model. As the results, quantified by the storage coefficient, the flood control ability of the current Peace Dam was estimated to be just 3.9 hours. However, the flood control ability after its multipurpose utilization could be significantly increased up to 22.6 hours using the reservoir operation method. Here, it was assumed that the dam was operated by the rigid ROM with a constant rate of 0.5. In addition, this result was based on the assumption that the ratio between water conservation storage and the flood control storage was three. Even though the flood control storage is set at just 25% of the total storage, the storage coefficient was increased more than five times that of the current Peace Dam.

목차 (Table of Contents)

• 제 1 장 서 론 1
• 1.1. 연구배경 및 목적 1
• 1.1. 연구의 흐름 4
• 제 2 장 비선형 저수지 모형을 이용한 댐의 저류효과 정량화 5
• 2.1 비선형 저수지 모형을 이용한 저수지 홍수추적 5
• 2.1.1 비선형 저수지 모형 5
• 2.1.2 비선형 저수지를 통한 유출 7
• 2.2 저수지의 저류 및 지체 특성 9
• 2.2.1 선형 저수지 9
• 2.2.2 비선형 저수지 10
• 제 3 장 평화의댐 현황 12
• 3.1 건설배경 12
• 3.2 유역현황 13
• 3.3 댐 제원 현황 15
• 3.4 운영현황 19
• 제 4 장 평화의댐의 다목적 활용방안 검토 21
• 4.1 홍수조절용량과 이수용량의 배분 21
• 4.2 저수지 운영방법 검토 27
• 4.2.1 저수지 운영방법의 종류 및 특징 27
• 4.2.2 저수지 운영방법의 결정 32
• 4.2.3 Rigid ROM의 일정률 33
• 4.3 댐 모의운영 36
• 4.3.1 유입량 자료 검토 36
• 4.3.2 모의운영 결과 43
• 4.3.3 저류량-방류량 관계곡선 47
• 제 5 장 비선형 저수지 모형을 이용한 홍수저류효과 평가 49
• 5.1 평화의댐의 저류상수 49
• 5.2 토의 53
• 제 6 장 결론 57