UK Marine Strategy Descriptor 11 ship noise assessment data for 2018 to 2022

Annual median broadband (63 Hz - 4 kHz) sound level data for UK waters for the years 2018-2022 inclusive. Data format is ASCII. These maps underpin the UK Marine Strategy 2024 assessment for Descriptor 11.2 (continuous anthropogenic sound). Images of these maps in PNG format are also provided for reference. A summary table is also included which describes percentages of assessment region areas exceeding sound levels above given decibels.