Hybrid models for Hydrological Forecasting: integration of data-driven and conceptual modelling techniques: UNESCO-IHE PhD Thesis

1st Edition

Gerald Augusto Corzo Perez

CRC Press
Published January 15, 2010
Reference - 228 Pages
ISBN 9780415565974 - CAT# K11291

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This book presents the investigation of possibilities and different architectures of integrating hydrological knowledge and conceptual models with data-driven models for the purpose of hydrological flow forecasting. Models resulting from such integration are referred to as hybrid models. The book addresses the following specific topics:
A classification of different hybrid modelling approaches in the context of flow forecasting.
The methodological development and application of modular models based on clustering and baseflow empirical formulations.
The integration of hydrological conceptual models with neural network error corrector models and the use of committee models for daily streamflow forecasting.
The application of modular modelling and fuzzy committee models to the problem of downscaling weather information for hydrological forecasting.

The results of this research show the increased forecasting accuracy when modular models, which integrate conceptual and data-driven models, are considered. Committee machine modelling show to be able to manage increased lead time with an acceptable accuracy.