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Article

Cross-Shore Profile Evolution after an Extreme Erosion Event—Palanga, Lithuania

1
Marine Research Institute, Klaipėda University, 92294 Klaipėda, Lithuania
2
Department of Cybernetics, Tallinn University of Technology, 19086 Tallinn, Estonia
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2021, 9(1), 38; https://doi.org/10.3390/jmse9010038
Received: 1 December 2020 / Revised: 19 December 2020 / Accepted: 22 December 2020 / Published: 2 January 2021
(This article belongs to the Special Issue Coastal Morphology Assessment and Coastal Protection)
We report cross-shore profile evolution at Palanga, eastern Baltic Sea, where short period waves dominate. Cross-shore profile studies began directly after a significant coastal erosion event caused by storm “Anatol”, in December of 1999, and continued for a year. Further measurements were undertaken sixteen years later. Cross-shore profile changes were described, and cross-shore transport rates were calculated. A K-means clustering technique was applied to determine sections of the profile with the same development tendencies. Profile evolution was strongly influenced by the depth of closure which is constrained by a moraine layer, and the presence of a groyne. The method used divided the profile into four clusters: the first cluster in the deepest water represents profile evolution limited by the depth of closure, and the second and third are mainly affected by processes induced by wind, wave and water level changes. The most intensive sediment volume changes were observed directly after the coastal erosion event. The largest sand accumulation was in the fourth profile cluster, which includes the upper beach and dunes. Seaward extension of the dune system caused a narrowing of the visible beach, which has led to an increased sand volume (accretion) being misinterpreted as erosion View Full-Text
Keywords: cross-shore profile; sediment transport rates; semi-enclosed sea; sandy coast; coastal erosion; dune development cross-shore profile; sediment transport rates; semi-enclosed sea; sandy coast; coastal erosion; dune development
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MDPI and ACS Style

Kelpšaitė-Rimkienė, L.; Parnell, K.E.; Žaromskis, R.; Kondrat, V. Cross-Shore Profile Evolution after an Extreme Erosion Event—Palanga, Lithuania. J. Mar. Sci. Eng. 2021, 9, 38. https://doi.org/10.3390/jmse9010038

AMA Style

Kelpšaitė-Rimkienė L, Parnell KE, Žaromskis R, Kondrat V. Cross-Shore Profile Evolution after an Extreme Erosion Event—Palanga, Lithuania. Journal of Marine Science and Engineering. 2021; 9(1):38. https://doi.org/10.3390/jmse9010038

Chicago/Turabian Style

Kelpšaitė-Rimkienė, Loreta, Kevin E. Parnell, Rimas Žaromskis, and Vitalijus Kondrat. 2021. "Cross-Shore Profile Evolution after an Extreme Erosion Event—Palanga, Lithuania" Journal of Marine Science and Engineering 9, no. 1: 38. https://doi.org/10.3390/jmse9010038

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