Cruise report from R/V Argos week 20, 2004

Summary

All nutrients showed for the season normal surface koncentrations, with the exception of phosphate that in the western Gotland Basin were clearly above normal. Oxygen concentrations below 2 ml/l were found in the whole Baltic Proper at depths exceeding 70 to 80 metres. Hydrogen sulphide was found at the Gotland Deep and in the Western Gotland Basin, at depths exceeding 90 metres.