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http://dx.doi.org/10.3741/JKWRA.2010.43.5.495

Alternatives Development for Basin-wide Flood Mitigation Planning by Determining Economic Optimal Project Size  

Yi, Choong-Sung (Technology Consulting Center, K-water)
Shim, Myung-Pil (Dept. of Civ. Engrg., Inha Univ.)
Lee, Sang-Won (Dept. of Economics, Inha Univ.)
Publication Information
Journal of Korea Water Resources Association / v.43, no.5, 2010 , pp. 495-505 More about this Journal
Abstract
The integrated basin-wide flood mitigation planning has a numerous individual proposals with different characteristics. So, it makes difficult to develop the optimal alternative that combines such elements. To develop the optimal alternative, it's necessary not only to assess the flood damage but also to define a tolerable degree of damage. Such a definition is made in a way, dubbed the 'social consensus' in a broad sense; but initially, it requires the analysis of the economic efficiency within a scope, which is technically achievable. This study aims to propose the alternatives development method so that the combination of the individual proposals could be economically efficient. To this end, this study defined the flood mitigation projects as the economic production activities carried out by inputs and outputs, and proposed the optimal project size as the principle of developing alternatives. This study may have the worth in improving the alternatives development method by considering the optimal project scale from the economic viewpoint while the existing method depending on engineering aspect. Such approach is expected to correspond to the current government's policy that avoids the passive flood mitigation focused on channel-wide planning but pursues the basin-wide flood mitigation planning focusing on damaged area, thereby provide efficient tools to come up with the solution.
Keywords
flood mitigation; alternatives development; optimal project size; basin-wide; economic efficiency;
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Times Cited By KSCI : 3  (Citation Analysis)
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