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    Filling gaps in wave records with artificial neural networks

    Access Status
    Fulltext not available
    Authors
    Makarynskyy, Oleg
    Makarynska, D.
    Rusu, E.
    Gavrilov, Alexander
    Date
    2005
    Type
    Conference Paper
    
    Metadata
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    Citation
    Makarynskyy, Oleg and Makarynska, Dina and Rusu, Eugen and Gavrilov, Alexander. 2005. : Filling gaps in wave records with artificial neural networks, in Guedes Soares, Carlos (ed), Maritime Transportation and Exploitation of Ocean and Coastal Resources IMAM 2005, 26 30 September 2005. Lisboa, Portugal: Balkema.
    Source Conference
    Maritime Transportation and Exploitation of Ocean and Coastal Resources IMAM 2005
    Additional URLs
    http://www.tandf.co.uk
    Faculty
    Western Australian Centre for Geodesy
    Division of Resources and Environment
    Department of Spatial Sciences
    Remarks

    Access to the chapter is not available.

    Published by Taylor & Francis as:

    Maritime Transportation and Exploitation of Ocean and Coastal Resources

    Edited by: Carlos Guedes Soares, Y. Garbatov, N. Fonseca

    ISBN 0415390362

    URI
    http://hdl.handle.net/20.500.11937/40874
    Collection
    • Curtin Research Publications
    Abstract

    This contribution presents a neural data interpolation methodology, which was implemented to restore missing wave measurements. The methodology is based on the ability of artificial neural networks to find and reproduce non-linear dependencies within complex geophysical systems. The data were obtained from a field campaign during July 1985- ecember 1993 near Tasmania. Wave observations from a "Waverider" buoy were broadcasted as a high frequency radio signal via a quarter-wave antenna to a "Diwar" receiver. These measurements were used to train and to validate the neural nets employed. To restore missing data over time periods from 12 to 36 hours, five feed-forward, three-layered, artificial neural networks of a similar structure were implemented. The artificial neural networks' performance was estimated in terms of the bias, root mean square error, correlation coefficient, and scatter index. The methodology demonstrated reliable results with a fairly good overall agreement between the restored wave records and actual measurements.

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