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A coupled model tree–genetic algorithm scheme for flow and water quality predictions in watersheds

Author:
Ami Preis   Avi Ostfeld  


Journal:
Journal of Hydrology (Amsterdam)


Issue Date:
2008


Abstract(summary):

The rapid advance in information processing systems along with the increasing data availability have directed research towards the development of intelligent systems that evolve models of natural phenomena automatically. This is the discipline of data driven modeling which is the study of algorithms that improve automatically through experience. Applications of data driven modeling range from data mining schemes that discover general rules in large data sets, to information filtering systems that automatically learn users' interests. This study presents a data driven modeling algorithm for flow and water quality toad predictions in watersheds. The methodology is comprised of a coupled model tree-genetic algorithm scheme. The model tree predicts flow and water quality constituents while the genetic algorithm is employed for calibrating the model tree parameters. The methodology is demonstrated through base runs and sensitivity analysis for daily flow and water quality load predictions on a watershed in northern Israel. The method produced close fits in most cases, but was limited in estimating the peak flows and water quality loads. (C) 2007 Elsevier B.V. All rights reserved.


Page:
364-375


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