Polarstern (IMAGE) Helmholtz Association Caption Despite difficult ice conditions seismic profiles can be shot. The red fenders hold the airgun in 15 m depth. Credit Stefanie Kessling, Alfred Wegener Institute Usage Restrictions The Image is for one-time use in editorial reporting in relation to the press release License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.