Department of Ecoscience

Aarhus University Seal

Discover the sounds of the sea

Sailboat with motor

Speed boat

Medium-sized boat

Small boat

The listening station (Danish)
Divers cleaning the cameras
Porpoise night activity
Porpoise day activity

The hydrophone setup

The hydrophones are placed on top of each other and mounted on a stable tripod.

A 200 m long cable runs from the docks to the hydrophone
The cable is held down by large bricks
The hydrophones are placed on top of each other and mounted on a stable tripod.
Little Belt, Middelfart and the two bridges
Revised 13.11.2025