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http://dx.doi.org/10.11108/kagis.2013.16.4.064

Optimal Size Determination of Flood Mitigation Facilities in a Watershed Using Geo-Spatial Information System and Economic Analysis: Focused on Dam Height Raise Project  

Choi, Cheon-Kyu (Water Resources Research Division, Korea Institute of Construction Technology)
Kim, Gil-Ho (Civil Engineering, Inha University)
Yeo, Kyu-Dong (NOAA Solution Co. Ltd.)
Shim, Myung-Pil (Civil Engineering, Inha University)
Choi, Yun-Seok (Water Resources Research Division, Korea Institute of Construction Technology)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.16, no.4, 2013 , pp. 64-78 More about this Journal
Abstract
To achieve economic efficiency in a basin flood mitigation planning, it is important to determine optimal sizes of investment alternatives. Investment alternative means decision proposals composed with one more individual proposals, and it is not easy to determine an optimal one because there are so many individual proposals. This study aims to propose the approach of determining the optimal project size for raising dam height. This study applies two scenarios to determine investment alternatives for the 4 dams in the Yeongsan River basin. 'Scenario1' calculates flood mitigation for each individual proposal. And 'Scenario2' calculates that for each investment alternative composed with one more individual proposals. As the results, 'Scenario2' is better than 'Scenario1' for selecting a economically optimal dam height considering watershed conditions comprehensively.
Keywords
Optimal Size; Economic Analysis; Geo-Spatial Information System; Dam Height Raise Project;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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