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Journal of the Bulgarian Geographical Society 48: 3-14
doi: 10.3897/jbgs.e99206
Received: 19 Oct 2022 | Approved: 07 Jan 2023 | Published: 11 Jan 2023
This article is part of:
Regional water security issues
Edited by Chad Staddon
This article is part of:
Journal of the Bulgarian Geographical Society 48
Authors
   
   
   
Zvezdelina Marcheva - Corresponding author
National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences, Sofia, Bulgaria
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Tsvetan Kotsev
National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences, Sofia, Bulgaria
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Assen Tchorbadjieff
Institute of Mathematics and Informatics - Bulgarian Academy of Sciences, Sofia, Bulgaria
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Velimira Stoyanova
National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences, Sofia, Bulgaria
niggg.bas.bg/wp-content/uploads/2018/11/geography/fg/en/V_Stoyanova1.html
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Academic editor
Mariyana Nikolova
National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences, Sofia, Bulgaria
http://niggg.bas.bg
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Author contributions
Conceptualization: ZM and TK; Data curation: VS; Investigation: ZM; Methodology: ZM and AT; Supervision: AT, TK and VS; Validation: AT; Visualization: ZM; Writing - original draft: ZM; Writing - review and editing: TK, AT and VS.
Conflict of interest
The authors have declared that no competing interests exist.
Supporting agencies
BNSF -  Bulgarian National Science Fund
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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