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Title: INVESTIGATION OF SEAWATER INTRUSION IN SHABLA-KRAPETS REGION, NE BULGARIA
INVESTIGATION OF SEAWATER INTRUSION IN SHABLA-KRAPETS REGION, NE BULGARIA

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Marin Ivanov; Evelina Damyanova
10.5593/sgem2024/1.1/s02.25
10.5593/sgem2024/1.1
1314-2704
978-619-7603-67-5
English
24
1.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
2.Hydrogeology, Engineering Geology and Geotechnics
The present study aims to investigate the current conditions of saltwater intrusion in the Shabla - Krapets area, a long-known area of groundwater salinization. The main objectives of this investigation are (i) to find the interface (boundary) between fresh and salty (brackish) water and (ii) to study the seasonal dynamic of saltwater movement in the aquifer (intrusion). The results were obtained from July 2022 to the end of 2023. In the area of investigation (aquifer), there is a fresh groundwater layer which thins towards the sea. The interface between fresh and saltwater was found in 3 boreholes. The interface dynamics of seawater intrusion have been studied for one and a half years. The obtained results can be a reasonable basis for continuing and improving the monitoring of the seawater intrusion area and can be used as a base for groundwater modeling
[1] Danchev D., Damyanov At., Nikolov E., Velinov V., Andonova G. Hydrogeological study of groundwater in Bulgaria and compilation of a hydrogeological map for zoning according to water abundance in Southern Dobrudja and Ludogorie, Summary updated report, Contract – 764, Sofia, 1977. (Personal contact) In Bulgarian
[2] Galabov M., Penchev P., Velikov B., Damyanov A., Development of measures to protect the aquifers near the Black Sea from pollution due to the seawater intrusion, Contract – 1130, 1989. (Personal contact) In Bulgarian
[3] Pentchev P., A general assessment of the seawater intrusion in the Sarmatian karst aquifer: Geology and Mineral Resources, 9-10, p, 19-23, 1996. (In Bulgarian)
[4] Pentchev P., Consultancy services in connection with the project: Integrated Management of Transboundary Groundwater between Bulgaria and Romania in Dobrudja/Dobrogea Area - Technical Assistance to ensure transboundary groundwater management using the WFD and Groundwater Directive, EuropeAid/122633/D/SER/BG), EPTISA Servicios de Ingenieria, S, A, 2007. (Personal Contract)
[5] Pentchev P., Velichkov V., Velichkova B. Carrying out exploratory monitoring to establish the sources of pressure in the event of a worsening in the state of the groundwater body in the Krapets - Shabla - Tyulenovo region of seawater intrusion, Contract - №370/09,05, Sofia, 2017 (Personal Contract) In Bulgarian
[6] Revelle R., Criteria for recognition of sea water in groundwaters, Trans, Amer, Geophysical Union, v. 22, pp 593-597, 1941.
[7] De Breuck W., Hydrogeology of Salt-Water Intrusion: Methods and Instruments, Verlag Heinz Heise GmbH & Co KG, Hannover, Germany, pp 223, 1991.
[8] Lanbo L., Saline water intrusion, Encyclopedia of Life Support Systems, Natural and Human Induced Hazards 2, 1 – 7, 2016.
[9] Hem J.D., Study and interpretation of the chemical characteristics of natural water: U. S. Geological Survey Water Supply Kaper 2254, 263, 1989.
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[12] Pulido-Bosch, A. (Principal contractor), Dimitrov, D., Machkova, M., Pentchev, P., Velikov, B., (Subcontractors), Ecological Problems of Karst Waters Caused by Overexploitation and Contamination (1994 -1996), Fixed Contribution Contract No. CIPA-CT93-0139 between the European Economic Community and the University of Granada, Spain, 1996.
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We greatly appreciate the support of the Ministry of Environment and Water of Bulgaria in sponsoring the investigation.
conference
https://doi.org/10.5593/sgem2024/1.1/s02.25
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Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024
24th International Multidisciplinary Scientific GeoConference SGEM 2024, 1 - 7 July, 2024
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, 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.
177-184
1 - 7 July, 2024
website
9853
groundwater, saltwater intrusion, electrical conductivity, NE Bulgaria

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