Assessment of wave climate and energy resources in the Baltic Sea nearshore (Lithuanian territorial water)

• Autorzy: Jakimavičius D. , Kriaučiūnienė J. , Šarauskienė D.

Identyfikatory

DOI

10.1016/j.oceano.2017.10.004

• Języki publikacji: EN

Abstrakty

EN

The main task of the present research was to analyse wave climate and evaluate energy resources in the Lithuanian territorial waters of the Baltic Sea. Wave and wind parameters were analysed according to long-term measurement site data. Distribution of wave parameters in the Baltic Sea Lithuanian nearshore was evaluated according to wave modelling results. Wave energy resources were estimated for three design years (high, median and low wave intensity). The results indicated that in the coastal area of Lithuania, waves approaching from western directions prevail with mean wave height of 0.9 m. These waves are the highest and have the greatest energy potential. The strongest winds and the highest waves are characteristic for the winter and autumn seasons. In the Baltic Sea Lithuanian nearshore, the mean wave height ranges from 0.68 to 0.98 m, while the estimated mean energy flux reaches from 0.69 to 1.90 kW m⁻¹ during a year of different wave intensity. Distribution of energy fluxes was analysed at different isobaths in the nearshore. Moving away from the coast, both wave height and wave power flux increases significantly when water depth increases from 5 to 20 m. Values of the mentioned parameters tend to change only slightly when the sea is deeper than 20 m. In a year of median wave intensity, the mean wave energy flux changes from 1.10 kW m⁻¹ at 10 m isobaths to 1.38 kW m⁻¹ at 30 m isobaths. The identified differences of wave height and energy along the selected isobaths are insignificant.

Słowa kluczowe

EN

wave climate; wave modelling; wave power; Baltic Sea; MIKE 21 NSW

• Wydawca: Polish Academy of Sciences, Institute of Oceanology ; Elsevier
• Czasopismo: Oceanologia
• Rocznik: 2018
• Tom: No. 60 (2)
• Strony: 207--218
• Opis fizyczny: Bibliogr. 38 poz., mapy, rys., tab., wykr.

Twórcy

autor

Jakimavičius D.

• Lithuanian Energy Institute, Kaunas, Lithuania

autor

Kriaučiūnienė J.

• Lithuanian Energy Institute, Kaunas, Lithuania

autor

Šarauskienė D.

• Lithuanian Energy Institute, Kaunas, Lithuania

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).