Track of GPS-Drifter from offshore wind farm Borkum Riffgrund 1, Drifter 5 - Massmann, Silvia; Lorkowski, Ina; Carrasco, Ruben; Horstmann, Jochen; Janssen, Frank (Bundesamt für Seeschifffahrt und Hydrographie, Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research, 2017)