A methodological framework for mapping and assessment of ecosystem services provided by the natural heritage in Bulgaria S Nedkov, B Borisova, M Nikolova, M Zhiyanski, S Dimitrov, R Mitova, ... Journal of the Bulgarian Geographical Society 45, 7-18, 2021 | 20 | 2021 |
Cultural ecosystem services for development of nature-based tourism in Bulgaria M Nikolova, V Stoyanova, D Varadzhakova, A Ravnachka Journal of the Bulgarian Geographical Society 45, 81-87, 2021 | 16 | 2021 |
A concept of an integrated geodatabase for surface water, soil and groundwater pollution with arsenic in the upper part of Ogosta Valley, Northwestern Bulgaria T KOTSEV European Journal of Geography 10 (3), 2019 | 10 | 2019 |
Land cover changes in the Ogosta valley for the period 1993-2019 V Stoyanova, T Kotsev, E Tcherkezova, G Zhelezov, N Koleva International Multidisciplinary Scientific GeoConference: SGEM 20 (2.2), 233-240, 2020 | 8 | 2020 |
Analysis and prognosis of the aqueous migration of arsenic based on complex study of Ogosta river valley’s hydrogeological elements (at specific floodplain site) P Gerginov, D Antonov, A Benderev, V Stoyanova, T Kotsev Comptes rendus de l’Académie bulgare des Sciences 73 (10), 2020 | 8 | 2020 |
Estimating the moisture regime in variably saturated arsenic contaminated alluvial sediments by using hydrus-1d with daily meteorological data D ANTONOV, T KOTSEV, A BENDEREV, VAN Nathalie, P GERGINOV, ... European Journal of Geography 10 (2), 2019 | 8 | 2019 |
GIS-based assessment of groundwater vulnerability to arsenic contamination in the floodplain of the Ogosta River, NW Bulgaria V Stoyanova, T Kotsev Proceedings, 6th International Conference on Cartography and GIS, 13-17, 2016 | 7 | 2016 |
Application of Hydrus-1D for Evaluation of the Vadose Zone Saturation State in connection with Arsenic Mobilization and Transport in Contaminated River Floodplain-Ogosta Valley … D Antonov, K Nakamura, T Kotsev, V Stoyanova, R Kretzschmar International Multidisciplinary Scientific GeoConference: SGEM 18 (1.2), 83-90, 2018 | 6 | 2018 |
Evaluation of soil contamination degree in the region of Maritza-east thermal power plants using magnetic methods A Mokreva, N Jordanova, D Jordanova, V Stoyanova, P Petrov Journal of International Scientific Publications Ecology & Safety 11, 70-84, 2017 | 6 | 2017 |
Copper concentration in the soils of the Danube floodplain between the rivers Timok and Vit northwestern Bulgaria V STOYANOVA, T KOTSEV, G ZHELEZOV, S Michaela, EA LEVEI European Journal of Geography 10 (2), 2019 | 5 | 2019 |
Modeling of arsenic dynamics in groundwater of а river floodplain contaminated with mine tailings: Ogosta River case, NW Bulgaria Z Marcheva, T Kotsev, A Tchorbadjieff, V Stoyanova Journal of the Bulgarian Geographical Society 48, 3-14, 2023 | 4 | 2023 |
Cultural Ecosystem Services Provided by Natural Heritage Sites in Karst Territories of Smolyan Region, Bulgaria M Nikolova, S Nedkov, B Borisova, V Stoyanova, R Mitova Scientific notices. Heritage BG Bulletin, 2021 | 4 | 2021 |
K-means clustering of a soil sampling scheme with data on the morphography of the Ogosta Valley Northwestern Bulgaria A TCHORBADJIEFF, T KOTSEV, V STOYANOVA, E TCHERKEZOVA European Journal of Geography 10 (2), 2019 | 4 | 2019 |
Concentration of arsenic in the soils of the Danube floodplain between the Timok River and the Vit River V Stoyanova, T Kotsev, R Kretzschmar, K Barmettler International Multidisciplinary Scientific GeoConference: SGEM 18 (3.2), 71-78, 2018 | 4 | 2018 |
GROUPING OF GROUNDWATER MONITORING POINTS IN RIVER FLOODPLAIN ACCORDING TO THE CONDITIONS FOR ARSENIC CONTAMINATION Z Aydarova, T Kotsev, A Tchorbadjieff, E Tcherkezova, V Stoyanova PROBLEMS OF GEOGRAPHY, 79-100, 2020 | 3 | 2020 |
CONCEPT OF ARSENIC MONITORING IN THE SOIL-GROUND-WATER-RIVER WATER SYSTEM IN THE MINING AFFECTED OGOSTA RIVER VALLEY T Kotsev, V Stoyanova, Z Aidarova, S Genchev PROBLEMS OF GEOGRAPHY, 101-126, 2020 | 3 | 2020 |
Application of geographic data for spatial modeling of lead in contaminated fluvial soils T Kotsev, V Stoyanova Journal of the Bulgarian Geographical Society 47, 23-33, 2022 | 2 | 2022 |
APPLICATION OF GIS IN SPATIAL SEGREGATION MEASUREMENT (A CASE STUDY OF PLOVDIV, BULGARIA) N Ilieva, B Kazakov, S Genchev, A Ravnachka, V Stoyanova | 2 | 2020 |
Applying UAV Photogrammetry Data for High-Resolution Geomorphological Mapping of a Part of the Lom River Valley Near the Village of Vasilovtsi (Bulgaria) E Tcherkezova, T Kotsev, G Zhelezov, V Stoyanova International Multidisciplinary Scientific GeoConference: SGEM 20 (2.2), 183-190, 2020 | 2 | 2020 |
SPATIAL MODELING OF THE MORPHOHYDROGRAPHIC PECULIARITIES IN THE CATCHMENTS OF LOM AND OGOSTA RIVERS G Zhelezov, V Stoyanova | 1 | 2020 |