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In Skagerrak and Kattegat the spring bloom was over and the amount of nutrients was low, which is normal for the season. In the Baltic Proper winter conditions prevailed. The concentrations of nitrite+nitrate were normal while the amount of phosphate still were elevated at all stations and much …

SMHI hydrological research unit is involved in many national and international projects in hydrological modeling. Here below, on-going and finished projects are listed alphabetically with a short summary.

An extensive spring bloom was observed at all phytoplankton stations in the Kattegat and Skagerrak areas. The diatom Skeletonema marinoi dominated the samples. The general species composition was more or less the same in the whole area, many diatom species in high cell numbers and a few …

In Skagerrak and the north Kattegat the spring bloom was ongoing and the amount of nutrients was low. The southern parts of the Kattegat and the Sound were influenced by outflowing winter water from the Baltic with high concentrations of nutrients. In the Baltic Proper winter conditions prevailed. …

SMHI, along with the hydrological warning services in Slovakia and the Netherlands, has been given responsibility of disseminating early flood risk warnings to national warning centres in Europe. SMHI will lead the consortium.

Winter calm are the key words summarizing the phytoplankton situation throughout the sampling areas in the Western Sea and in the Baltic in January. Fragments from a Ceratium bloom was found at the Skagerrak coast (Släggö) and in the Kattegat. The diversity was very low. Cryptomonads were common in …

Surface water temperatures were higher than normal in parts of the Baltic Proper. Concentrations of inorganic nitrogen were mainly normal, with the exception of some areas in Skagerrak were they were somewhat elevated. Phosphate values were normal in Skagerrak and Kattegat but higher than normal in …

Overall the phytoplankton diversity was low at the Skagerrak sampling sites. The genus Ceratium that has been found in high amounts during autumn was observed with moderate cell numbers. The species diversity was a bit higher at the Kattegat sampling sites compared to the Skagerrak area, except on …