EMODnet Physics - EINR_002 - This product presents impulsive noise events in Pulse Block Day unit. A PBDU is the number of days in a calendar year in which impulsive sound activity occurred within the cell-grid. The product applies a common grid (10' latitude x 20' longitude) to harmonize the Regional Conventions events DBs. These data are collected at national level and contribute to the Sea Regional Convention events registry. OSPAR (North East Atlantic), HELCOM(Baltic Sea) are organized by ICES and made availbel to EMODnet Physics. Barcelona Convention (Mediterranean) registry is under discussion together with the Agreement on the Conservation of Cetaceans of the Black Sea, MediterraneanSea and contiguous Atlantic area (ACCOBAMS) which currently are providing EMODnet Physics with a demonstrator of their registry.