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The weather during the first part of the expedition was very rough with gale and heavy seas. At the visited stations in Kattegat, Skagerrak and the Sound nutrient concentrations showed normal values for the season. Lower silicate concentrations was found in south eastern and eastern Baltic proper. …

This summer, blooms of cyanobacteria were observed for more than two months period, from 29 June to 5 September. During 30 days from the 7 July, extensive blooms were seen, but the most massive accumulations stayed away this year. The Gulf of Bothnia, which usually blooms in August, also had an …

This report only comprises results from analysis of phytoplankton. An extended version containing results from chlorophyll a measurements will be available in the beginning of next week. A quite scarce community was found at the outer station Å17 in the Skagerrak area while the inner station Släggö …

The phytoplankton diversity was generally low in the Skagerrak and Kattegat areas. Small species like Cryptomonads and Chrysochromulina spp. dominated the samples. A few diatoms were found with moderate cell numbers at Släggö (Skagerrak coast) and in the Kattegat. The dinoflagellate Prorocentrum …

The phytoplankton community in both Skagerrak and Kattegat areas comprised mainly of small flagellates. The only exception was Släggö, the inner site in the Skagerrak where the diatom Dactyliosolen fragilissimus was found in highest abundance. The coccolithophorid Emiliana huxleyi was dominating at …

In the Skagerrak and the Kattegat surface water temperatures showed levels above normal and surface salinities showed levels below normal. Surface water temperatures as well as surface salinities were at normal levels for the season in the Baltic Proper. Surface nutrient concentrations were normal …

SMHI is taking part in an EU-funded project to strengthen national air quality management in Macedonia. The project aims to build up a system for better handling of air quality data in the country.

Surface water temperatures as well as surface salinities were at normal levels for the season in the whole investigated area. Surface nutrient concentrations were normal in most areas, with the exception of silicate that showed levels below normal in the main part of the Baltic Proper. The oxygen …

If Sweden should be hit by a heat wave in summer 2013, SMHI will issue a warning. This is the ambition of a recently started project which looks at the warning criteria for heat waves and air pollution.

RCA4 is the fourth version of the Rossby Centre Regional Atmospheric Climate Model (RCA4). Since RCA3, RCA has undergone both physical and technical changes. RCA4 was the version used in the downscaling of CMIP5 simulations for CORDEX. RCA is no longer undergoing any developments; …