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Oceanological and Hydrobiological Studies

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Volume 47, Issue 2


Spatial variability of long-term trends in significant wave height over the Gulf of Gdańsk using System Identification techniques

Jordan Badur
  • Department of Physical Oceanography, Institute of Oceanography, Faculty of Oceanography and Geography, University of Gdańsk, Al. M. Piłsudskiego 46, 81-378 Gdynia, Poland
  • Other articles by this author:
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/ Witold Cieślikiewicz
  • Corresponding author
  • Department of Physical Oceanography, Institute of Oceanography, Faculty of Oceanography and Geography, University of Gdańsk, Al. M. Piłsudskiego 46, 81-378 Gdynia, Poland
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Published Online: 2018-06-18 | DOI: https://doi.org/10.1515/ohs-2018-0018


The significant wave height field over the Gulf of Gdańsk in the Baltic Sea is simulated back to the late 19th century using selected data-driven System Identification techniques (Takagi-Sugeno-Kang neuro-fuzzy system and non-linear optimization methods) and the NOAA/OAR/ESRL PSD Reanalysis 2 wind fields. Spatial variability of trends in the simulated dataset is briefly presented to show a cumulative “storminess” increase in the open, eastern part of the Gulf of Gdańsk and a decrease in the sheltered, western part of the Gulf.

Key words: Gulf of Gdańsk; wave climate; significant wave height; system identification; neuro-fuzzy systems; wave modeling


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About the article

Received: 2017-08-29

Accepted: 2017-11-21

Published Online: 2018-06-18

Published in Print: 2018-06-26

Citation Information: Oceanological and Hydrobiological Studies, Volume 47, Issue 2, Pages 190–201, ISSN (Online) 1897-3191, ISSN (Print) 1730-413X, DOI: https://doi.org/10.1515/ohs-2018-0018.

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