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Title: SEABED FORMS AND SUBSTRATE MAPPING OF THE NESSEBAR AND POMORIE BAYS. SOUTHERN BULGARIAN BLACK SEA SECTOR
SEABED FORMS AND SUBSTRATE MAPPING OF THE NESSEBAR AND POMORIE BAYS. SOUTHERN BULGARIAN BLACK SEA SECTOR

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Lyubomira Trendafilova; Martin Ivanov; Plamen Mihovsky
10.5593/sgem2023/1.1/s01.18
10.5593/sgem2023/1.1
1314-2704
978-619-7603-56-9
English
23
1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Geology
Advancements in remote sensing technology have provided excellent opportunities for mapping the seabed and substrates. Pomorie and Nessebar are ideal for combining single-beam sonar, multi-beam sounding, and drone imaging to map seabed forms and substrates. This paper presents the final stage of the "Multidisciplinary study of Burgas Bay - MidBay" Project. The project aims to create a substrate map and identify different seabed forms. Recent systematic studies have shown that the seabed, beach, and shallowest parts up to 2 meters in depth have undergone changes, primarily observed in the shallowest part of the area. This justifies reconstructing a portion of the Nessebar and Pomorie coast in three dimensions. The article reviews echo sounder and drone research conducted along the Bulgarian Black Sea coast, emphasizing the importance of combining successful methodologies and best practices to derive a contemporary digital model of the terrain and raster data for the bays. The primary mission is to accomplish this, utilizing unmanned aerial vehicles (UAVs) and sonar raster mosaics to locate the boundaries between the various lithological formations. This article aims to map the seabed substrates in the Folk 5 Classes and evaluate the accuracy of UAV-based DSMs, high-resolution orthomosaics, and single-beam echo sounding, essential for researching the most dynamic coastal landforms along the Bulgarian Black Sea coast.
[1] Assessment report of Marine Environmental Status, Contract № Д-31-6 from 12.04.2021 between the Ministry of Environment and Water and the IO-BAS, Varna for implementation of obligations under the monitoring of the Black Sea, on the grounds of Article 171 (2013) paragraph 2, item 3 of the Water Act.”, 2022 (in Bulgarian)
[2] Dimitrov, L., Prodanov, B., Doncheva, V., Berov, D., Trifonova, E., Seabed mapping of the Bulgarian coastal zone between Sozopol and Tsarevo (Southern Bulgarian Black Sea). Comptes rendus de l’Academie Bulgarie des Sciences, 72(5), pp 634-640, 2019.
[3] Prodanov, B., Keremedchiev, St., Dimitrov, L., Andreeva, N., Seabed Morphology of the Varna Bay coastal zone, Bulgarian Black Sea. Comptes rendus de l’Academie Bulgarie des Sciences, 72(8), pp 1078-1085, 2019.
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[5] Prodanov, B., Dimitrov, L., Lambev, T. Mapping of coastal and submarine morphological landforms using Unmanned Aerial Systems and Echo-sounding data, Case study: Bulgarian Black Sea coastal sector between cape Sivriburun and cape Kaliakra, 21st International Multidisciplinary Scientific GeoConference SGEM 2021, Vol. 21, Book 2.1, pp 717-725, 2021.
[6] Prodanov, B., Dimitrov, L., Morphology of the Strandzha Coastal zone, Southern Bulgarian Black Sea Coast. Proc. of 20th International Multidisciplinary Scientific GeoConference SGEM 2020, 20, 2.2, pp 186-196, 2020.
[7] Lambev, T., Prodanov, B., Dimitrov, L., Kotsev, I., Digital terrain model of the Varna and Beloslav Lakes (North Bulgaria Black Sea Coast). Proc. SPIE 11524, Eighth International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2020), 1152422, 2020.
[8] Lambev, T., Prodanov, B., Digital terrain model of the seafloor of South Bulgarian Black Sea Coast. Proc. of 10th Congress of the Balkan Geophysical Society (BGS2019), European Association of Geoscientists & Engineers, Volume 1, pp 1-6, 2019.
[9] Prodanov, B., Dimitrov, L., Andreeva, N., Keremedchiev, St., Geomorphological setting of the coastal zone between cape Galata and cape Paletsa, Bulgaria Black Sea. Comptes rendus de l’Academie Bulgarie des Sciences, Volume 70, №8, pp 1137-1142. 2017.
[10] Lambev, T., Prodanov, B., Dimitrov, L., Kotsev, I., Digital terrain model of the Varna and Beloslav Lakes (North Bulgaria Black Sea Coast). Proc. SPIE 11524, Eighth International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2020), 1152422, 2020, https://doi.org/10.1117/12.2571104.
[11] Prahov, N., Prodanov, B., Dimitrov, K., Dimitrov, L., Velkovsky, K., Application of Aerial Photogrammetry in the Studies of Underwater Archaeological Heritage of Nesebar. Proc. of 20th International Multidisciplinary Scientific GeoConference SGEM 2020, 2.2, pp 175-182, 2020.
[12] Prahov, N., Prodanov, B., Dimitrov, K., Velkovsky, K. The negative impact of human activities on underwater cultural heritage: Case studies from the Bulgarian Black Sea Littoral. Proceedings of 21st International Multidisciplinary Scientific GeoConference SGEM 2021, Vol.21, Book 2.1, pp 743-751, 2021.
[13] Peev, P., A.-A. Ginalis, Prodanov, B., Simeonov, G., Interdisciplinary Approach in the Study of the Ancient Harbour Site “Karon Limen” or “Portus Caria/Carea”, Bulgaria. SSRN Electronic Journal, Elsevier, 2022, Peev, Preslav and Ginalis, Alkiviadis-Alexandros and Prodanov, Bogdan and Simeonov, Grigori, An Interdisciplinary Approach in the Study of the Ancient Harbour Site “Karon Limen” or “Portus Caria/Carea”, Bulgaria. Available at SSRN, 2022, http://dx.doi.org/10.2139/ssrn.4231183
[14] Peev, P., Prodanov, B., The lost (or forgotten islands) of the Western Black Sea. Proceedings of the 22nd International Multidisciplinary Scientific GeoCongrence SGEM 2022,1.1, 2022, https://doi.org/10.5593/sgem2022/1.1/s01.005
[15] Todorova, V., Dimitrov, L., Doncheva, V., Trifonova, E., Prodanov, B., Benthic Habitat Mapping in the Bulgarian Black Sea. Proceedings of 12th International Conference on the Mediterranean Coastal Environment (MEDCOAST 2015), Vol.1, Varna, pp 251-262, 2015.
[16] Bekova, R., Raikova-Petrova, G., Prodanov, B., Maturity, sex ratio and spawning time of Liza Aurata Risso, 1810 and Liza Saliens Risso, 1810 (Mugilidae) from the Bulgarian Black Sea Coast. Comptes rendus de l’Academie Bulgarie des Sciences, 72(7), pp 916-923, 2019.
[17] Bekova, R., Prodanov, B., Lambev, T., Influence of the anthropogenic pressure on Varna and Beloslav Lakes and their ichthyofauna. Proceedings of the 22nd International Multidisciplinary Scientific GeoCongrence SGEM 2022, 22(5.1), 2022, https://doi.org/10.5593/sgem2022/5.1/s20.032
[18] Bekova, R., Prodanov, B., Panayotova, M., Research of the ichthyofauna in the protected area „Mandra-Poda“, „Chengene Skele Bay“ and „Otmanli“ under NATURA 2000 in Bulgaria. Proceedings of the 22nd International Multidisciplinary Scientific GeoCongrence SGEM 2022, 22 (5.1), pp. 355-362, 2022, https://doi.org/10.5593/sgem2022/5.1/s20.045
[19] Bekova, R., Prodanov, B., Multidisciplinary ichthyological and geological research of the Durankulak Lake, Northern Bulgarian Black Sea Coast. Proceedings of the 22nd International Multidisciplinary Scientific GeoCongrence SGEM 2022 (5.1):295-302, 2022, https://doi.org/10.5593/sgem2022/5.1/s20.038;
[20] Prodanov, B., Kotsev, I., Lambev, T., Bekova, R., Unmanned Aerial Vehicles for surveying the Bulgarian Black Sea Coast. Comptes rendus de l’Academie Bulgarie des Sciences, Vol.73, №5, pp 666-672, 2020.
[21] Prodanov, B., Kotsev, I., Lambev, T., Dimitrov, L., Bekova, R., Dechev, D., Drone-based geomorphological and landscape mapping of Bolata Cove, Bulgarian coast, Sustainable Development and Innovations in Marine Technologies, Georgiev & Guedes Soares (Eds.). Taylor & Francis Group, London, pp 592-598, 2019.
[22] Prodanov, B., Kotsev, I., Bekova, R., Dimitrov, L., Lambev, T. UAS photogrammetry as an effective tool for high resolution mapping of depositional landforms and monitoring geomorphic change. Case Study: Kamchia-Shkorpilovtsi beach, Bulgarian Black Sea Coast, 21st International Multidisciplinary Scientific GeoConference SGEM 2021, Vol. 21, Book 2.1, pp 623-634, 2021.
[23] Valchev, N., Andreeva, N., Eftimova, P., Prodanov, B., Kotsev, I., Assessment of vulnerability to storm induced flood hazard along diverse coastline settings. E3S Web Conf. Volume 7, 3rd Eu. Conf. on Flood Risk Management (FLOODrisk 2016), p 11, 2016.
[24] Kotsev, I., Prodanov, B., Lambev, T., Bekova, R., UAS-based mapping of depositional landforms along the North Bulgarian Black Sea coast in support of nature conservation. Proc. SPIE 11524, Eighth International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2020), 1152426, 2020.
[25] Prodanov, B., Bekova, R., Kotsev, I., Vachkova, V. Habitat Lost: Analysis of the eutrophication magnitude at a protected coastal lake in Bulgaria using satellite and drone imagery. Proceedings of 21st International Multidisciplinary Scientific GeoConference Surveying, Geology and Mining, Ecology and Management – SGEM 2021, Vol. 21, Book 5.1, pp 253-260, 2021.
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 modeling)“, funded by the Bulgarian National Science Fund. The author expresses sincere gratitude for the advice and support of colleagues from the Institute of Oceanology - BAS: Prof. Dr. Eng. Lyubomir Dimitrov and Dr. Bogdan Prodanov for supporting bathymetric research and methodology. Special thanks to Dr. Bogdan Prodanov for the provided bathymetric and UAV data.
conference
https://doi.org/10.5593/sgem2023/1.1/s01.18
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Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 03 - 09 July, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian 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; Russian Acad Arts; Turkish Acad Sci.
147-158
03 - 09 July, 2023
website
9007
substrate, echosounding, unmanned aerial vehicles, digital terrain model, Bulgarian Black Sea