Keywords: Attenuation, optical beam transmission; AWI_PhyOce; Calculated; Conductivity; CTD, Seabird; CTD, Sea-Bird SBE 911plus; CTD/Rosette; CTD-R; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Fluorometer; HE425; HE425/01-1; HE425/01-3; HE425/02-1; HE425/02-2; HE425/03-1; HE425/03-3; HE425/03-4; HE425/04-1; HE425/04-2; HE425/04-3; HE425/05-1; HE425/05-3; HE425/06-1; HE425/06-3; HE425/07-1; HE425/07-2; HE425/07-3; HE425/07-5; HE425/08-1; HE425/08-3; HE425/09-1; HE425/10-1; HE425/10-2; HE425/11-1; HE425/12-1; HE425/12-2; HE425/13-1; HE425/14-1; HE425/14-3; HE425/15-1; HE425/16-1; HE425/16-2; HE425/16-3; HE425/16-4; HE425/17-2; HE425/18-1; HE425/19-1; HE425/19-2; HE425/20-1; HE425/20-3; HE425/21-1; HE425/21-2; HE425/22-1; HE425/23-1; HE425/23-3; HE425/24-1; HE425/25-1; HE425/25-2; HE425/26-1; HE425/27-1; HE425/27-3; HE425/28-1; HE425/29-1; HE425/29-2; HE425/30-1; HE425/30-3; HE425/31-1; HE425/31-2; HE425/32-1; HE425/33-1; HE425/33-3; HE425/34-1; HE425/35-1; HE425/35-2; HE425/36-1; HE425/37-1; HE425/37-3; HE425/38-1; HE425/39-1; HE425/39-2; HE425/40-1; HE425/40-3; HE425/40-4; HE425/41-1; HE425/41-2; HE425/42-1; HE425/42-3; HE425/43-1; HE425/43-3; HE425/43-4; HE425/44-1; HE425/44-3; HE425/45-1; HE425/46-1; HE425/47-1; Heincke; Latitude of event; Longitude of event; North Sea; Number of observations; Oxygen; Oxygen saturation; Physical Oceanography @ AWI; Pressure, water; Salinity; Skagerrak; Temperature, water; Temperature, water, potential