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1 May 2018 Measurements of Long Waves in Port of Klaipėda, Lithuania
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Abstract

Kelpšaitė-Rimkienė, L.; Soomere, T.; Bagdanavičiūtė, I.; Nesteckitė, L., and Žalys, M., 2018. Measurements of long waves in Port of Klaipėda, Lithuania. In: Shim, J.-S.; Chun, I., and Lim, H.S. (eds.), Proceedings from the International Coastal Symposium (ICS) 2018 (Busan, Republic of Korea). Journal of Coastal Research, Special Issue No. 85, pp. 761–765. Coconut Creek (Florida), ISSN 0749-0208.

Port of Klaipėda is in Klaipėda Strait that connects the Curonian Lagoon with the south-eastern Baltic Sea. Its quays are well sheltered from open sea waves but the port area still hosts dangerous water level oscillations that are apparently generated in the system consisting of the Curonian Lagoon and a strait that connects the lagoon with the Baltic Sea proper. The analysis of spectral composition of these oscillations is based on continuous pressure recordings with a frequency of 4 Hz in Port of Klaipėda during the stormy season December 2016–January 2017. The majority of the energy of oscillations is concentrated in three frequencies bands. Considerable water level changes occurred owing to infragravity motions with periods >30 s (<0.03 Hz) and disturbances with the typical periods of wind waves at the Lithuanian coast with periods of 3–10 s (0.1–0.3 Hz). The highest peak in the wind wave frequency band corresponds to typical storm conditions in the Baltic Sea with periods 9–5 s. While the typical amplitudes of oscillations in this range were modest, particularly hazardous changes in the water level, with amplitudes >0.5 m, were created at lower frequencies. The recording reveals the presence of harbor oscillations with periods 30–200 s (0.005–0.03 Hz) and seiches of the Curonian Lagoon with periods >1200 s (<0.0008 Hz).

Measurements of Long Waves in Port of Klaipėda, Lithuania
©Coastal Education and Research Foundation, Inc. 2018
Loreta Kelpšaitė-Rimkienė, Tarmo Soomere, Ingrida Bagdanavičiūtė, Laura Nesteckitė and Marius Žalys "Measurements of Long Waves in Port of Klaipėda, Lithuania," Journal of Coastal Research (JCR) 85(sp1), (1 May 2018). https://doi.org/10.2112/SI85-153.1
Received: 30 November 2017; Accepted: 10 February 2018; Published: 1 May 2018
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