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amount of available weather observations. Some observations are ground-based while others are made from space with satellite-based measuring instruments. One problem is that the observations are geographically unevenly distributed and in some areas there are no observations of all or some characteristics Last updated: Jun 21, 2018

decomposition processes utilize oxygen from nitrate reduction (denitrifikation) and thereafter from sulphate reduction (SO42-). Sulphate reduction produces poisonous hydrogen sulphide (H2S) that is included as negative oxygen in the model and may be removed when oxygen is supplied e.g. by inflowing water. A Last updated: May 17, 2019

July 15th and ended in the same port July 18th. Due to lack of permits to enter Polish waters, the BCS III-10NE, in Swedish EEZ (E Economic Zone) was sampled instead of the ordinary station. During the expedition, winds were weak to moderate. Baltic Proper The surface water temperatures were normal Last updated: Apr 23, 2014

and to include them in probabilistic forecasting of wind power production. The project “Modelling of icing and production losses” is supported by the Swedish Energy Agency within the programme “Wind power in Cold Climates” (projectno 37279-1). Last updated: Jul 04, 2022

the diatom Skeletonema marinoi, a common spring bloom species, where found in amounts indicating that the spring bloom had been initiated. The diatom genus Thalassiosira was also quite common. The integrated (0-10 m) chlorophyll a concentrations were within normal for the season. The Kattegat Anholt E Last updated: Mar 09, 2016

Surface temperatures varied between 8 and 11 degrees C. Nutrient concentrations in the surface water were below normal for the season. Last updated: Apr 23, 2014

Low oxygen concentrations were found in the bottom water at Lundåkrabukten 1.95 ml/l and Skälderviken 1.51 ml/l. In the south east parts of Kattegatt the oxygen concentrations varied between 2.3 to 3.0 ml/l. Last updated: Apr 23, 2014

Nutrient conditions were normal for the season. Hydrogen sulphide was found in the deep water in large areas of the Baltic and oxygen concentrations below 2 ml/l were generally found at depths exceeding 60 to 80 metres in the whole Baltic Proper. In the whole Baltic proper there was a considerable Last updated: Apr 23, 2014

Nutrient conditions were normal for the season. Hydrogen sulphide was found in the deep water in large areas of the Baltic and oxygen concentrations below 2 ml/l was generally found at depths exceeding 60 to 70 metres in the whole Baltic Proper. In the Skagerrak there was an ongoing bloom of a Last updated: Apr 23, 2014

The surface temperatures and nutrients concentrations were normal for the season in all areas. Oxygen concentrations below 2 ml/l was generally found at depths exceeding 70 to 90 metres in the whole Baltic Proper. Hydrogen sulphide was found in the deep water at the station BY 4 east of Bornholm Last updated: Apr 23, 2014