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AGU: Water Resources Research

 

Index Terms

  • Hydrology: Floods
  • Mathematical Geophysics: Nonlinear dynamics
  • Hydrology: Runoff and streamflow
  • Mathematical Geophysics: Modeling
Abstract
Cited By (8)
 

Abstract

A comparison of nonlinear flood forecasting methods

F. Laio

Department of Hydraulics, Transport and Civil Infrastructures, Polytechnic of Turin, Turin, Italy

A. Porporato

Department of Hydraulics, Transport and Civil Infrastructures, Polytechnic of Turin, Turin, Italy

R. Revelli

Department of Hydraulics, Transport and Civil Infrastructures, Polytechnic of Turin, Turin, Italy

L. Ridolfi

Department of Hydraulics, Transport and Civil Infrastructures, Polytechnic of Turin, Turin, Italy

Two nonlinear models, nonlinear prediction (NLP) and artificial neural networks (ANN), are compared for multivariate flood forecasting. For NLP the calibration of the locally linear model is quite simple, while for ANN the validation and identification of the model can be cumbersome, mainly because of overfitting. Very good results are obtained with the two methods: NLP performs slightly better at short forecast times while the situation is reversed for longer times.

Published 16 May 2003.

Citation: Laio, F., A. Porporato, R. Revelli, and L. Ridolfi (2003), A comparison of nonlinear flood forecasting methods, Water Resour. Res., 39(5), 1129, doi:10.1029/2002WR001551.

Cited By

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