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Because of the flooding of the rivers Wisla and Oder a part of the expedition was destinated to study the effect of the overflow in the areas of the Pomeranian Bay and the Bay of Gdansk. Temperature, salinity and fluorescence (biological activity) at 4m depth were registered continuously …

Last updated: Apr 23, 2014

Skagerrak: Surface temperatures varied between 2.5 and 4.5 oC and surface salinites from 30 in the east to 33.5 in the southwest. The pycnocline was located at a depth of 15 meters in the eastern part and at 30 meters along the Jutland coast. A bloom had started along the Swedish west coast and the …

Last updated: Apr 23, 2014

In the southern Kattegat and in the Sound, the oxygen concentration below 20 metres was less than 2 ml/l. In the southern and south-western Baltic, oxygen values were low at all stations, except in the Arkona Basin and Hanö Bight. The lowest oxygen value was 0.22 ml/l, observed between BY1 and …

Last updated: Apr 23, 2014

Oxygen concentrations below 2 ml/l were found in the Baltic at depths exceeding 70 to 80 metres. Hydrogen sulphide was found in the Northern Baltic Proper and West Gotland Basin, at depths exceeding 80 to 90 metres. Surface phosphate and silicate levels in the northern part of the Baltic were above …

Last updated: Apr 23, 2014

During the expedition the weather was rather cloudy and windy. In the southern Baltic there was a strong wind from southwest. In the Skagerrak sampling was done only at station P2, because wind velocities more than 20 m/s were forecast. The surface water temperatures were between 8 and 11°C in the …

Last updated: Apr 23, 2014

During the expedition the weather was rather cloudy and windy, especially during the first half part. Winds from the west were dominating. The surface water temperatures were between 15-16°C in the whole area with exception of a region with upwelling south Utklippan, where the temperature was only …

Last updated: Apr 23, 2014

During the expedition, which is part of the Swedish national marine monitoring programme, the Skagerrak, the Kattegat, the Sound and the Baltic Proper were visited. The water temperature in the surface water varied between 10 – 17°C which is low for the season and at several stations it had Last updated: Aug 28, 2023

Very high surface phosphate concentrations were measured in the Baltic Proper. Silicate showed enhanced concentrations there though nitrogen compounds were normal. Nutrient concentrations in the Skagerrak and Kattegat were normal or almost normal. In the Baltic Proper oxygen concentrations were …

Last updated: Apr 23, 2014

During the expedition, the weather was mainly calm and sunny. The surface water temperatures were between 14.8-18.9°C in the whole area. Oxygen concentrations below 2 ml/l were found at depths greater than 70m in the Bornholm Basin, at the Landsort and the Karlsö Deep, greater than 80 m in the …

Last updated: Apr 23, 2014

Temperature and salinity in the surface water was normal throughout the investigated area. The phosphorus concentration remains elevated in the south Baltic Proper and the Sound. All inorganic nitrogen (DIN) had been consumed in the surface water at all stations. High silicate concentrations were …

Last updated: Apr 23, 2014