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CALIBRATION AND EVALUATION OF THE 3RD GENERATION WAVE MODEL WAVEWATCH III UNDER EXTREME CONDITIONS IN EASTERN MEDITERRANEAN AND AEGEAN SEA

2019-05-15
Özyurt Tarakcıoğlu, Gülizar
Bingol, Cem
In the previous studies Poseidon Buoy data are used for both calibration and validation forthird generation wave models in Aegean Sea. However, due to spatial resolution limits(caused by huge computational time of wave model), there is problem with the bathymetry.This problem is caused by complex orography of Aegean Sea and existence of islands.Depth of Poseidon buoys are under 20m and it is not possible to obtain these depths forany of Poseidon buoys with a spatial resolution that is applicable for calibration. Depth ofbuoy is critical since it effects directly the calibration considering results of wave model andbuoy are taken for different depths.In this study, both Poseidon Buoy and Buoys of Turkish General Directorate of Meteorology(MGM) are used. MGM buoys started recording at 2015 March and they are stilloperational. Two of MGM buoys are located in Eastern Mediterranean which gives us thechance to make a calibration for eastern Mediterranean Sea. As far as our knowledge thereis no calibration study in eastern Mediterranean using buoy data. One of MGM Buoy at theAegean Sea is located at deeper location (70m depth) which provides healthier calibrationin Aegean Sea. In this conference the performance of Wavewatch III for January 2018Storm and December 2016 Storm will be discussed.