Neural network for the prediction and supplement of tidal record in Taichung Harbor, Taiwan

Accurate tidal prediction and supplement is an important task in determining constructions and human activities in coastal and oceanic areas. The harmonic tidal level is conventionally used to predict tide levels. However, determination of the tidal components using the spectral analysis requires a...

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Bibliographic Details
Published in:Advances in engineering software (1992) 2002-06, Vol.33 (6), p.329-338
Main Authors: Lee, T.L, Tsai, C.P, Jeng, D.S, Shieh, R.J
Format: Article
Language:English
Subjects:
Artificial neural network
Harmonic analysis
Spectral analysis
Tidal prediction and supplement
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Summary:Accurate tidal prediction and supplement is an important task in determining constructions and human activities in coastal and oceanic areas. The harmonic tidal level is conventionally used to predict tide levels. However, determination of the tidal components using the spectral analysis requires a long-term tidal level record (more than one year [Handbook of coastal and ocean engineering 1 (1990) 534]). In addition, calculating the coefficients abbreviated of tide component using the least-squares method also requires a large database of tide measurements. This paper presents an application of the artificial neural network for predicting and supplementing the long-term tidal-level using the short term observed data. On site, tidal-level data at Taichung Harbor in Taiwan will be used to test the performance of the artificial neural network model. The results show that the tidal levels over a long duration can be efficiently predicted or supplemented using only a short-term tidal record.
ISSN:0965-9978
DOI:10.1016/S0965-9978(02)00043-1