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STRUCTURAL AND GEOMORPHOLOGICAL FACTORS IN COASTAL DUNE DEVELOPMENT ON THE BULGARIAN STRANDZHA COAST

Bogdan Prodanov

First published: 2025-08-15https://doi.org/10.5593/sgem2025/1.1/s01.11View metrics

Abstract

This study examines the geomorphological and structural factors influencing the formation of coastal dunes along the Strandzha coastline of Bulgaria. Through the integration of GIS-based analyses, morphometric data, and geological profiles, the primary morphostructural units shaping coastal dynamics have been identified. These geological, morphostructural, and geomorphological conditions have provided the necessary prerequisites for dune formation. The research identifies a total of 17 dune systems along the Strandzha coast, covering approximately 101.89 h?. The largest dune complex is located at Primorsko (International Youth Center), spanning 26.73 h?. The dunes in this region reach heights of up to 12 m and widths exceeding 100 m, with foredunes being the most dominant type. These formations develop due to continuous sediment deposition driven by wind transport and vegetation stabilization. The study highlights the influence of low-order morphostructures, including the Tsarevo, Papiya, and Rezovo anticlines, which create differential coastal morphologies. The development of dunes in areas such as Silistar and the Veleka River mouth is strongly controlled by sediment availability, wind dynamics, and underlying geological structures. The findings emphasize the need for further geodynamic research to assess future changes in coastal landscapes. Understanding the morphostructural controls on dune systems is essential for their sustainable management and conservation.

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Publication details

Title
STRUCTURAL AND GEOMORPHOLOGICAL FACTORS IN COASTAL DUNE DEVELOPMENT ON THE BULGARIAN STRANDZHA COAST
Authors
Bogdan Prodanov
Proceedings
25th International Multidisciplinary Scientific GeoConference Proceedings SGEM2025, Science and Technologies in Geology, Exploration and Sustainable Mining
Publisher
STEF92 Technology
Year
2025
Pages
79-90
SWS Citekey
Prodanov202517990
ISSN
1314-2704; 13142704
ISBN
9786197603798
Language
en
Publication type
Conference Paper
Proceedings contents
Open official contents
Keywords
coastal dunesmorphostructuresgeomorphological settingsStrandzha coastBulgarian Black Sea Coast
References13

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