MULTI-DECADAL WIND WAVE MODELLING OVER THE BALTIC SEA

Title:

MULTI-DECADAL WIND WAVE MODELLING OVER THE BALTIC SEA

DOI No:

10.1142/9789812701916_0062

Source:

COASTAL ENGINEERING 2004 (pp 778-790)

Author(s):

WITOLD CIEŚLIKIEWICZ
Institute of Oceanography, University of Gdańsk, Al. Piłsudskiego 46, 81-378 Gdynia, Poland
BARBARA PAPLIŃSKA-SWERPEL
Institute of Hydro-Engineering, Polish Academy of Sciences, ul. Kościerska 7, 80-953 Gdańsk, Poland
CARLOS GUEDES SOARES
Unit of Marine Technologv and Engineering, Technical University of Lisbon, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal

Abstract:

In the present study, the WAM model is used to forecast wind wave characteristics over the Baltic Sea. This is a part of the HIPOCAS, which is an EU funded research project with an objective to obtain a 44-year hindcast of wind, wave, sea-level, and current climatology for European waters and coastal seas for application in coastal and environmental decision processes. Quite a good agreement between the modelled and the measured wave data was obtained. A high-resolution homogeneous wave data set generated with the hindcast system created within HIPOCAS has provided a lot of possibilities to examine the long-term variability of the wave climate over the Baltic Sea. In this study, such examination has been carried out and some long-term changes in wind wave climate were found. It was shown that these trends are consistent with both long-term changes in the wind conditions over the Baltic Sea, and the trend that can be noticed in the NAO index variability.

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