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Application of artificial neural networks for flood forecasting.

  • Authors (legacy)
    Lekkas D. F., Onof C., Lees M. J. and Baltas E.A.

In hydrology, as in a number of diverse fields, there has been an increasing use of Artificial Neural
Networks (ANN) as black-box simplified models. This is mainly justified by their ability to model
complex non-linear patterns; in addition they can self-adjust and produce a consistent response when
‘trained’ using observed outputs.
This paper utilises various types of ANNs in an attempt to assess the relative performance of existing
models. Ali Efenti, a subcatchment of the river Pinios (Greece), is examined and the results support
the hypothesis that ANNs can produce qualitative forecasts. A 7-hour ahead forecast in particular
proves to be of fairly high precision, especially when an error prediction technique is introduced to the
ANN models.

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