[1] Univ Osnabruck, Inst Environm Syst Res, D-49076 Osnabruck, Germany
[2] Schleswig Holstein Agcy Coastal Def, D-25832 Tonning, Germany
[3] IFREMER, Inst Francais Rech Exploitat Mer, F-83507 La Seyne Sur Mer, Corse, France
[4] Alfred Wegener Inst Polar & Marine Res, D-27498 Helgoland, Germany
[5] European Commiss, Joint Res Ctr, I-21027 Ispra, Italy