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Managing water deficits in coastal areas presents significant challenges amid current climate fluctuations. This study examines the hydrological and water management factors contributing to seawater intrusion along the Bulgarian Black Sea coast. Utilizing data from field monitoring and hydrological model simulations, the research highlights the anthropogenic impacts shaped by the structure and dynamics of water supply. Findings reveal that rainfall levels in the Bulgarian Black Sea coastal region are below the nat...

Scientific research using advanced observation technologies and mathematical models aimed at estimating seasonal snow cover and its water equivalent (SWE) helps to reduce the costs of snow cover monitoring and improve the management of the soil-water-crop system. Following the above goals, this paper analyzes two approaches - the Community Land Model (CLM) producing own calculated data, and the ESA GlobSnow v.3.0 product based on the European Space Agency (ESA) GlobSnow project satellite data. The studies were car...

Heavy rainfall in the summer have become more frequent, and when they occur over the coastal region, the cumulative hazardous pressure leads to floods, loss of physical life and socio-economic impact. Such is the disaster due to the floods in Tsarevo at the end of summer 2023. The paper contains a conceptual analysis of hydrological and meteorological conditions, land cover and use, and institutional preparedness to deal with dangerous floods. It is prepared on the basis of the data from Copernicus Land Monitoring...

Nitrogen pollution contributes to climate change, acid rain and eutrophication. The present study evaluates the degree of nitrogen contamination of air, surface and ground waters in Bulgaria with reference to the 2021 EU Action Plan 'Towards Zero Pollution for Air, Water and Soil' as well as the relevant international and national regulations in the field. The analysis uses data from the Bulgarian Ministry of Environment and Water, Ministry of Agriculture, the European Emission Database for Global Atmospheric Rese...