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normal in the surface during the last expeditions, more normal levels in May. In the Baltic Sea, the salinity of the surface water was generally normal for the season, but deeper down in the water column the salinity was above normal at many of the deeper stations. Dissolved inorganic nitrogen in the Last updated: Jun 22, 2021

//www.smhi.se/en/publications/publications/algal-situation-reports-2-1056 The Skagerrak Since only Släggö could be sampled in the Skagerrak due to strong winds and high seas, only results from there are reported. These results are not representative of the entire Skagerrak as Släggö is located near the Last updated: Jun 20, 2024

TIME SERIES CURRENT METER DATA FROM THE BALTIC SEA by Lars Gidhagen, Lennart Funkquist and Raj Murthy SMHis tryckeri, Norrköping 1986 lssuing Agency SMHI Report number RO 1 ( 1986) Reportdate S-601 76 Norrköping SWEDEN January 1986 Author(s) Gidhagen, L., Funkquist, L. and Murthy, R. Title (and Sub Last updated: Apr 23, 2020

The surface water (0-10 m) in the northern parts of the Baltic Proper had for the season normal temperature. But in the Arkona Basin, the Bornholm Basin and the Bight of Hanö the sea surface temperature was above normal. In the Kattegat and the Skagerrak there were mostly normal sea surface Last updated: Oct 20, 2020

. Dissolved organic nitrogen in the surface water was in general consumed by the spring bloom at all visited stations in the Sound and at P2 and Släggö in the Skagerrak. Concentrations of dissolved inorganic phosphorus in the surface water were normal for the season in all ocean areas. Dissolved silicate Last updated: Aug 26, 2021

The highest number of species during the September cruise was found at Släggö and the dinoflagellates Scrippsiella-group and Ensiculifera carinata were numerous. The total cell numbers were however low at all of the west coast stations. There were more dinoflagellate species than diatoms in the …

Last updated: Oct 10, 2023

SMHI carries out research about phytoplankton and algal blooms. Topics include biodiversity, harmful algae, climate change effects on harmful algae and cyanobacteria blooms in the Baltic Sea.  Funders of projects includes the Swedish research council Formas, EU Horizon 2020, EU ERA4CS, the Swedish Last updated: Jun 25, 2020

Baltic Sea, modelling, forecasting, sea ice dynamics, water levels. Supplementary notes ISSN and title 0283-1112 SMHI Reports Oceanography Report available from SMHI S-601 76 NORRKÖPING Sweden Number of pages 17 Language English 1. INTRODUCTION When the ice is moving, pressure ridges which are difficult Last updated: Sep 28, 2020

concentrations of dissolved inorganic nitrogen was close to or at the detection limit at most stations in all sea areas, while there were measurable but low concentrations of phosphate at all stations. In the deep water, the concentration of nutrients was normal, except in the Western Gotland Basin where there Last updated: Sep 02, 2020