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Integration and application of the Rainfall Runoff Library.
S Kim1, R A Vertessy, J-M Perraud
1Dept. of Environ. Eng., Pusan National University, San 30, Jangjundong, Gumjunggu, Pusan, Republic of Korea, 609-735. kimsangh@pnu.edu
Summary
The Rainfall Runoff Library (RRL) now includes the TANK model, enabling standardized comparison of hydrological models like AWBM and SIMHYD. This facilitates better rainfall-runoff modeling and water resource management in South Korea.
Area of Science:
- Environmental science and hydrology.
- Water resource management and engineering.
Background:
- The Rainfall Runoff Library (RRL) is a platform for environmental modeling.
- South Korea utilizes various rainfall-runoff models for water resource assessment.
Purpose of the Study:
- To integrate the TANK model into the RRL for comparative analysis.
- To assess the performance of TANK, AWBM, and SIMHYD models in South Korean catchments.
Main Methods:
- Implementing TANK, AWBM, and SIMHYD within the RRL framework.
- Calibrating model parameters using Genetic Algorithm, Rosenbrock, and Shuffled Complex Evolution methods.
- Utilizing three objective functions for model performance evaluation.
Main Results:
- The RRL facilitated a standardized comparison of the TANK, AWBM, and SIMHYD models.
- Model performance varied across the Soyanggang and Youngcheon Dam catchments.
- Calibration using different optimization methods and objective functions influenced model results.
Conclusions:
- The RRL provides a valuable tool for comparing hydrological models.
- The study highlights the applicability of different rainfall-runoff models to specific South Korean catchments.
- Further research can refine model selection for improved water resource management.