Cruise report from R/V Argos week 48-49, 2010

Type: Report
Author: Bodil Thorstensson


Surface water temperatures, from the Skagerrak to Gulf of Bothnia, were lower than normal. Above normal phosphate and silicate concentrations were recorded in the surface waters of the Western Gotland Basin, in the Bornholm Basin and in the Gulf of Bothnia. Oxygen concentrations below 2 ml/l were observed at depths exceeding 80 metres in the Western Baltic and at depths exceeding 60 to 70 metres in the remainder of the Baltic. Hydrogen sulphide was found in the Western and Northern Gotland Basins from 90 to 100 metres and below, and in the Eastern Gotland Basin from 80 to 135 metres and below.