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Title: UPDATED DIGITAL BATHYMETRIC MODEL OF POMORIE AND BURGAS BAY, BULGARIAN BLACK SEA
UPDATED DIGITAL BATHYMETRIC MODEL OF POMORIE AND BURGAS BAY, BULGARIAN BLACK SEA

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Lyubomira Trendafilova; Dobroslav Dechev
10.5593/sgem2022/2.1/s10.44
10.5593/sgem2022/2.1
1314-2704
978-619-7603-40-8
English
22
2.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Photogrammetry and Remote Sensing
Recently, the echosounder systems in the Bulgarian Black Sea shelf have become a standard method of seabed exploration. The paper presents the present-day field activity of bathymetric research, which revised available hydrographic data for the seabed. The study aims to combine and update archival bathymetric data from contemporary multibeam echo-sounding scanning and archive single-beam data. This work presents activity in the second stage of Project “Multidisciplinary study of Burgas Bay – MidBay. (Composition of a detailed digital model of the bottom relief with analysis of modern geomorphological conditions and archaeological forecasting modelling)” with a primary scientific goal to create an overall bathymetric model of the Burgas and Pomorie bays. The studied bay is strongly anthropogenically modified by the port in its southern part. The reconstruction of seafloor topography will allow the detection of substrate varieties and the identification of contemporary geomorphological bedforms and processes. A historical review of hydrographic research and geo base database was created for the seabed of the Bulgarian coastal zone in support of this study with different-year bathymetric surveys. The used data consolidate sonar mosaics, single beam, multibeam bathymetric data and raster satellite images, processed in PDS 2000, SonarWiz, and GIS environment. The coverage and density of the bathymetric data allowed the generation of a seabed digital bathymetric model with a horizontal resolution of 11 m. In addition, a bathymetric map with an interval of 0.5 m was created with high accuracy. Such a high-resolution model is an important advance in the highresolution mapping of the Bulgarian Black Sea coastal zone.
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The article was written with support and contributed to the research project „Multidisciplinary study of Burgas Bay – MidBay. (Composition of a detailed digital model of the bottom relief with analysis of modern geomorphological conditions and archaeological forecasting modelling)“, funded by the Bulgarian National Science Fund КП-06-Н 34-7/2019. The authors express sincere gratitude for the advice and support of colleagues from the Institute of Oceanology - BAS: Prof. Dr Eng. Lyubomir Dimitrov for supporting hydrographic research and methodology and provided bathymetric data, creating a substrate map. Special thanks to Dr Bogdan Prodanov for the bathymetric and UAV data, identification of seabedforms scientific ligature and bibliography.
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https://doi.org/10.5593/sgem2022/2.1/s10.44
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Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 04 - 10 July, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
369-382
04 - 10 July, 2022
website
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bathymetry, echosounding, unmanned aerial vehicles/systems, Pomorie Bay, Burgas Bay, Bulgarian Black Sea