National Institute of Geophysics, Geodesy and Geography

ULF-Geomagnetic Response at Mid-Latitudes in Relation to the Space Weather Parameters Observed During the Extreme Geomagnetic Storm of May 2024

The study focuses on the regional inhomogeneities of the spatial and temporal structures of the ULF geomagnetic disturbances (10–600 s) recorded in four geomagnetic observatories (EBR-Spain, WIC-Austria, NCK-Hungary, and PAG-Bulgaria) located at mid-latitudes in the European sect...

Seasonal and Interannual Variability of Coastal Black Sea Waters off Bulgaria (2022–2025): A Copernicus Marine Reanalysis Assessment

This study assessed spatial, seasonal, and interannual variability in physical and biogeochemical indicators in surface waters along the Bulgarian Black Sea coast during 2022–2025 to provide an integrated characterization of coastal marine conditions. Copernicus Marine Level 4 mu...