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typical for the winter phosphate 0.4-0.6; nitrate nitrite 4-6 and silicate 9.4-11,5 µmol/l. The bottom water was well oxygenated. Baltic Sea The surface water temperature was in the range 3 to 4 °C, which is typical for the season. The thermocline and halocline were located at the same depths and began in Last updated: Apr 23, 2014

Proper and parts of the Bothnian Sea. High concentrations of phosphate and silicate were measured in the surface waters of the southern Baltic Proper. The nitrogen components showed normal values in the whole investigated area. On the west coast, nutrients showed for the season normal values, with the Last updated: Apr 23, 2014

Surface water temperatures were normal for the season in all investigated areas. All nutrients in the surface layer were at low concentrations, which is normal for the season. The oxygen conditions in the Kattegat bottom water were good, while they were relatively poor in the southern Baltic Sea Last updated: Apr 23, 2014

Martin Hansson Swedish Meteorological and Hydrological Institute Oceanographic Laboratory 2017-10-16 Dnr S/Gbg-2017-107 Adress Sven Källfelts Gata 15 426 71 Västra Frölunda Telefon 011-495 80 00 E-post Martin.Hansson@smhi.se WWW http //www.smhi.se/ Report from SMHI marine monitoring cruise with M Last updated: Oct 17, 2017

normal for the season in all investigated areas. All nutrients in the surface layer had low concentrations which is normal for the season. The oxygen condition in the Kattegat bottom water was good while the concentrations had decreased somewhat since the previous expedition in the southern Baltic Sea Last updated: Apr 23, 2014

inflow to the Baltic Sea took place. Through the Sound about 40 km3 flowed into the Baltic Sea. The Skagerrak Surface water temperatures had since the previous cruise in November, decreased to values normal for the season, about 7oC. However, there was still a clear excess in temperatures at depths Last updated: Dec 16, 2014

range of 10.89 to 11.92 °C, which is normal to slightly below normal for the season. The salinity of the surface layer varied between 19.48 and 22.7 psu in the Kattegat, which is typical. In the Sound the salinity was low, 8.49 psu, depending on the outflowing surface water from the Baltic Sea. The Last updated: Oct 21, 2015

Nutrient conditions and surface water temperatures were normal for the season in all areas. Oxygen concentrations below 2 ml/l were found at the bottom in Skälderviken, in the Sound from 15 metres, in western Arkona bassin from 40 meters and in the rest of the Baltic Proper at depths greater than Last updated: Apr 23, 2014

The temperature and nutrient concentrations in the surface layer, were normal for the season in all areas. The spring bloom of phytoplankton had terminated in most of the areas covered. Only in the east part of the Baltic proper it was still going on. Hydrogen sulphide was present at depths greater Last updated: Apr 23, 2014

Weather Routing customers may already be foreign shipping lines, but we do not have sufficient resources alone to continue expanding on the foreign markets." As an initial `pilot project´, GAC and SMHI have now employed a former sea captain in Singapore who will focus exclusively on selling the Weather Last updated: Apr 23, 2014