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Increased nitrate and silicate concentrations of southern North Sea origin, 20 and 13 μmol/ respectively, were recorded in the Jutland current. In the Kattegatt the spring bloom had just began in patches. The lowest oxygen concentration measured in the bottom water of Skagerrak was 4.91 ml/l at Last updated: Apr 23, 2014

where the depth at Landsort is 459 m. The Åland Sea has a depth of 301 m and the Bothnian Sea is 293 m deep. Volume The volume of the Baltic is 20 800 km³ and the total for the Skagerrak and the Kattegat is 6 700 km³. Drainage areas Drainage areas are the areas of land that drain into a lake or the sea Last updated: Apr 23, 2014

A statistical mode! is developed to reconstruct atmospheric surface data for the period 1902-I998 to force a coupled ocean-sea ice mode! of the Baltic Sea. As the longest time scale of the Baltic Sea is on the order of 30 years, climate relevant model studies should cover century Iong simulations Last updated: Jun 03, 2019

found at depths exceeding 50 to 100 metres in all basins. Hydrogen sulphide was also found deeper than 70 to 90 metres. For a more detailed description of the oxygen status in the Baltic, see Report Oceanography No.45 Oxygen Survey in the Baltic Sea, 2012. http //www.smhi.se/publikationer Last updated: Apr 23, 2014

some stations could therefore not be sampled. The surface water temperature varied between 5-6 °C which is about 2-3 °C above normal for the season. Due to the unusually warm surface water, the concentration of oxygen in the surface water was lower than normal in all sea areas, as warm water dissolves Last updated: Mar 05, 2020

The surface water temperature was well above normal and ranged between 4 - 6°C which is about 2-3°C above normal for the season. The deep waters in the Baltic Proper were also warmer than normal. In the Baltic Proper, the salinity was higher than usual. The concentrations of dissolved inorganic Last updated: Mar 30, 2020

processes in the sea occur with short time-scales that are like the weather’s, from a few days to a week or so. The FerryBox now provides us with more and quicker information about sea and air temperatures, the oxygen and salt content of the surface water, the occurrence of different algae and other Last updated: Mar 20, 2017

. Hydrogen sulphide was found in the Bornholm and Gotland Deep, and at all stations in the Northern Baltic Proper and Western Gotland Basin. In the Bothnian Bay, surface water temperatures were slightly higher than last year. This may delay sea ice formation, despite the very low air temperatures experienced Last updated: Apr 23, 2014

at the station Läsö Ränna where it was a peak in the surface. Only the western part of Kattegat could be monitored during this cruise. The Baltic Proper The sea surface temperature was warmer than normal for the season and varied between 5.4 – 6.5°C. The sea surface salinity (7.2 – 8.9) varied Last updated: Jan 20, 2020

The expedition was included within SLU:s International Bottom Trawl Survey and covered the Skagerrak and the Kattegat.

Mapping of winter nutrient conditions was performed in the Skagerrak and 10 stations with complete hydrography were sampled. In the Kattegat area 16 stations were sampled with ctd …

Last updated: Mar 25, 2020