1. Gamtinių veiksnių ir žmogaus veiklos įtaka jūros kranto dinamikai. Baltijos jūra, Lietuva
- Author
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Jarmalavičius, Darius, Žilinskas, Gintautas, Pupienis, Donatas, Karaliūnas, Viktoras, and Janušaitė, Rasa
- Subjects
coastal geomorphology ,Lithuania ,Baltic Sea ,coastal erosion - Abstract
At present, the problem of coastal erosion is increasingly coming to the fore. Rising sea level and intensification of extreme storms are often cited as the main causes of this disturbance. On the other hand, human activity is increasing in coastal areas through the construction and expansion of ports and the development of recreational infrastructure. The purpose of this article is to determine, on the basis of studies on the coast of the Baltic Sea off Lithuania, the impact on shore dynamics of natural (sea level fluctuations and extreme storms) and anthropogenic (construction of hydro-technical structures) factors. The work used sea level and extreme storm data from the Lithuanian Hydrometeorological Service. Data on shoreline position and change in sediments volume from 2002 to 2020 were also used based on direct measurements. The 20th century changes in the position of the shoreline were assessed in 1910 and 2005 maps. Analysis of the results of the studies showed that during the 20th century and the 21st century the beginning of the largest shoreline erosion took place not because of sea level rise and not even because of the effects of extreme storms, but because of human activity in the construction and renovation of Klaipėda and Šventoji ports jetties and Palanga pier.
- Published
- 2020