Sounding the alarm on underwater noise

Propeller cavitation creates wide-frequency noise that may exacerbate acoustic masking.



  • Shipping, marine life, underwater noise, killer whale, orca, container ship
  • English Channel, Dover Strait, shipping, AIS
  • Dr Nathan Merchant, Nathan Merchant, Cefas, noise and bioacoustics
  • Propeller cavitation, propeller, ship, shipping noise, acoustic masking