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http://dx.doi.org/10.3741/JKWRA.2018.51.7.607

Development and evaluation of ANFIS-based conditional dam inflow prediction method using flow regime  

Moon, Geon-Ho (Department of Civil & Environmental Engineering, Sejong University)
Kim, Seon-Ho (Department of Civil & Environmental Engineering, Sejong University)
Bae, Deg-Hyo (Department of Civil & Environmental Engineering, Sejong University)
Publication Information
Journal of Korea Water Resources Association / v.51, no.7, 2018 , pp. 607-616 More about this Journal
Abstract
Flow regime-based ANFIS Dam Inflow Prediction (FADIP) model is developed and compared with ANFIS Dam Inflow Prediction (ADIP) model in this study. The selected study area is the Chungju and Soyang multi-purpose dam watersheds in South Korea. The dam inflow, precipitation and monthly weather forecast information are used as input variables of the models. The training and validation periods of the models are 1987~2010 for Chungju and 1984~2010 for Soyang dam watershed. The testing periods for both watersheds are 2011~2016. The results of training and validation indicate that FADIP has better training ability than ADIP for predicting dam inflow in normal and low flow regimes. In the result of testing, ADIP shows low predictability of dam inflow in the low flow regime due to the model tuning on all flow regime together. However, FADIP demonstrates the improved accuracy over the entire period compared to ADIP, especially during the normal and low flow seasons. It is concluded that FADIP is valuable for the prediction of dam inflow in the case of drought years, and useful for water supply management of the multi-purpose dam.
Keywords
ANFIS; Dam inflow prediction; Flow regime; Conditional training;
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