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http://dx.doi.org/10.3741/JKWRA.2019.52.3.187

Analysis on dam operation effect and development of an function formula and automated model for estimating suitable site  

Choo, Taiho (Department of Civil Engineering, Busan University)
Kim, Yoonku (Department of Civil Engineering, Busan University)
Kim, Yeongsik (Department of Civil Engineering, Busan University)
Yun, Gwanseon (Korea Institute of Disaster & Safety (KIDS))
Publication Information
Journal of Korea Water Resources Association / v.52, no.3, 2019 , pp. 187-194 More about this Journal
Abstract
Intake ratio from river constitutes about 31% (8/26) that beings to "water stress country" as "Medium ~ High" with China, India, Italy, South Africa, etc. Therefore, the present study on a dam that is the most effective and direct for securing water resources has been performed. First of all, climate change scenarios were investigated and analyzed. RCP 4.5 and 8.5 with 12.5 km grid resolution presented in the IPCC (Intergovernmental Panel on Climate Change) 5th Assessment Report (AR5) were applied to study watershed using SWAT (Soil and Water Assessment Tool) and HEC-ResSim models that carried out co-operation. Based on the results of dam simulation, the reduction effects of floods and droughts were quantitatively presented. The procedures of dam projects of the USA, Japan and Korea were investigated. As a result, there are no estimating quantitative criteria, calculating methods or formulas. In the present study, therefore, indexes for selecting suitable dam site through literature investigation and analyzing dam watersheds were determined, Expert questionnaire for various indexes were performed. Based on the above mentioned investigation and expert questionnaire, a methodology assigning weight using AHP method were proposed. The function of suitable dam (FSDS) site was calibrated and verified for four medium-sized watersheds. Finally, automated model for suitable dam site was developed using FSDS and 'Model builder' of GIS tool.
Keywords
Dam site; SWAT; GIS; RCP 4.5; RCP 8.5; FSDS;
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