EMODnet Vessel Density maps are based on AIS data purchased by Collecte Localisation Satellites (CLS) and ORBCOMM. The maps show shipping density in 1km*1km cells of a grid covering all EU waters (and some neighbouring areas). Density is expressed as hours per square kilometre per month.
Yearly average vessel density 2018 (military and law enforcement vessel type) (hours.km-2 per month)