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This website, smhi.se/en is run by the Swedish Meteorological and Hydrological Institute (SMHI). We want as many people as possible to be able to use this website, and this document describes how smhi.se complies with the accessibility regulations, any known accessibility issues, and how you can …

The phytoplankton diversity and total cell numbers were relatively low as can be expected for the season. The only exception was Å17 that had quite high biodiversity. Diatoms dominated at all stations except at Släggö where dinoflagellates were more abundant. Overall the diatom Pseudo-nitzschia* …

Our cities are particularly vulnerable to higher temperatures in a warmer climate. The urban heat island effect and mean radiant temperature affect cities.

The world’s climate is changing, and this will lead to warmer temperatures in Sweden in future. For example, we can expect to experience longer and more frequent heatwaves. Physical planning of the urban environment can create a sound basis for dealing with heatwaves.

The surface water (0–10 m) had only become slightly colder since October and was warmer than normal at almost all stations, the temperature was 10–12 degrees. The salinity of the surface water in the Baltic Proper was still above normal for the season and varied between 6.6–8.5 psu. In the Kattegat …

The phytoplankton diversity was over all high at all stations along the Swedish west coast. Diatoms dominated in numbers at all stations. Especially the diatom Leptocylindrus danicus was common at all stations. At Å17, the outer most station in the Skagerrak, a few cells of species more commonly …

How is the climate changing, and what can be done to reduce the risks to society? Around twenty participants from countries in southern Africa have now completed the international training programme “Climate Change - Mitigation and Adaption” a capacity building initiative funded by  Sida, with …

The surface water (0–10 m) had cooled down by 3–4 degrees since September and the temperature was now 12–13°C, which is normal for the month. The salinity in the surface water in the Baltic Proper was still above normal for the season and varied between 7-8 psu. In the Skagerrak and the Kattegat, …

The European Geosciences Union has awarded Berit Arheimer, Head of Hydrological Research at SMHI, the 2021 Henry Darcy Medal for her outstanding contributions within hydrological research.