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

Jordan Badur, Witold Cieślikiewicz

NH cumulative change due to the linear trend over the simulation period expressed as a percentage of NH mean

Paper category: Original research paper
Corresponding author: Witold Cieślikiewicz (ciesl@ug.edu.pl)
DOI: 10.1515/ohs-2018-0018
Received: August 29, 2017
Accepted: November 21, 2017
Full text: here

Abstract

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.

Department of Physical Oceanography, Institute of Oceanography, Faculty of Oceanography and Geography, University of Gdańsk, Al. M. Piłsudskiego 46, 81-378 Gdynia, Poland

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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