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or moving the location, have been taken into account. In order to calculate the climate indicator temperature, we have calculated an average of approximately 450 time series. Future temperatures The average temperature in Sweden is expected to continue to increase. By the end of the century, the Last updated: Oct 28, 2022

cyanobacteria surface accumulations had been turned down in the water by wind and waves. Aggregations and filaments of cyanobacteria were abundant at all stations in all samples analysed, both surface samples and integrated (0-10m) samples. Nodularia spumigena* dominated at most stations. Considering this Last updated: Jul 16, 2014

There were several phytoplankton species with high cell numbers in the samples from the Skagerrak and Kattegat area, above all at the coastal stations Släggö in the Skagerrak and N14 in the Kattegat. The integrated (0-10 m) chlorophyll a concentrations were normal for this month. Chlorophyll a Last updated: Sep 18, 2015

the bottom were good. The lowest recorded concentration was 3.0 ml/l at a depth of 72 metres. On the Gotland side, conditions were worse. Levels below 2 ml/l were found at a depth of 60 metres. Bornholm Basin (including Hanö Bight) The 20 km3 of new water, which flowed in through the Sound at the end Last updated: Apr 23, 2014

15 to 20 metres at Fladen. The Baltic Sea Surface water temperatures varied between 3.4 and 5.1°C, which is normal of the season. The lowest temperature was measured in the northwestern Baltic and the highest at Arkona in the south. The thermocline and the halocline were located at the same depth, in Last updated: Apr 23, 2014

Surface phosphate levels in the southeastern Baltic Proper, East Gotland Basin and Northern Baltic Proper were 1–2 standard deviations above the 1990 – 1999 average. This is possibly related to the re-oxygenation of the deep water the previous winter and spring, and the release of phosphate from Last updated: Apr 23, 2014

measurement errors, mainly losses due to wind, turbulence and evaporation. The time series analysis consists of three parts. In the first one a ' so-called run-test is used to investigate the stationarity of the series. There seemst o be no reason to reject the hypothesis that the series are stationary. After Last updated: Aug 06, 2019

The hydrographic situation in the bottom waters of the Hanö Bight, the northern part of the Bornholm Basin and the Midsjöbankarna were favourable for cod presence. The inflow of new water from Kattegat in January has improved the situation considerably. In some bottom areas (>70m) West and South Last updated: Apr 23, 2014

Nutrient concentrations were normal for the season in most areas, with the exception of the Eastern and Northern Gotland Basins where phosphate and silicate showed elevated levels. After the latest inflow to the Baltic in January, the deep waters of the Arkona Basin, Bornholm Basin and the major Last updated: Apr 23, 2014

National Board of Fisheries Principal SMHI SUMMARY The expedition was included within the National Board of Fisheries International Bottom Trawl Survey and covered the Skagerrak and the Kattegat. In the Skagerrak, 9 stations with complete hydrography were taken. In the Kattegat mapping of oxygen conditions Last updated: Apr 23, 2014