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Morphology and internal structure of small-scale washovers formed in the coastal zone of the semi-enclosed tideless basin, Gulf of Gdańsk, Baltic Sea
Abstract
This study explores the morphological features and internal structure of small-scale washovers along the southeastern Baltic Sea coast, providing insights into these most widespread yet often neglected deposits in the recent research of geomorphological and sedimentary record of storm surges. A 15-year-long record of morphological changes of the coast was acquired from regional orthophotos to analyse their geometry and spatial characteristics. Sedimentological analyses comprising a description of deposits, grain size and shape analyses, and Ground Penetrating Radar profiling were undertaken to investigate the internal structure of washovers. The formation of washovers appeared to be correlated with the average winter NAO (North Atlantic Oscillation) index. The study revealed different scaling relationships of selected spatial parameters in two coastal settings and extended previously hypothesized relationships of length-area, area-volume, and length-volume. The internal structure of washovers is defined by low-angle planar cross-stratification and horizontal stratification, both disrupted by small troughs. Grain-size data indicated extremely short transport of dune and beach sediments, lately deposited in the form of washovers. The study proves that in all domains, the geomorphological characteristics of washovers are scalable, despite the different coastal settings, and even small-scale washovers fit the existing development models
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Authors (9)
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D. Moskalewicz
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F. Bahr
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Łukasz Janowski
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K. Leszczyńska
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P. Sitkiewicz
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M. Słowik
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K. Stattegger
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C. Winter
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
GEOMORPHOLOGY
no. 463,
ISSN: 0169-555X - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Moskalewicz D., Bahr F., Janowski Ł., Leszczyńska K., Sitkiewicz P., Słowik M., Stattegger K., Tysiąc P., Winter C.: Morphology and internal structure of small-scale washovers formed in the coastal zone of the semi-enclosed tideless basin, Gulf of Gdańsk, Baltic Sea// GEOMORPHOLOGY -, (2024), s.109368-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.geomorph.2024.109368
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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