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report is based on preliminary data. Nutrient concentrations were normal for the season in all areas. After the latest inflow to the Baltic in January, the deep water of the Arkona Basin, Bornholm Basin and the Hanö Bight was now well oxygenated. The inflow observed in the southeast of the Baltic Proper Last updated: Apr 23, 2014

Address Nya Varvet 31 SE-426 71 Västra Frölunda SWEDEN Telephone 46 11 4958000 Telefax 46 31 7518980 E-mail shark@smhi.se WWW http //www.smhi.se/sgn0102/nodc/ Lars Andersson Swedish Meteorological and Hydrological Institute Oceanographical Laboratory 2003-03-28 Dnr Mg-2003-55 CRUISE REPORT FROM R Last updated: Apr 23, 2014

in the surface were normal for the season in the whole area. In the Arkona Basin and at BCSIII-10, bottom water oxygen conditions were good. Oxygen concentrations below 2 ml/l were found at depths exceeding 70 – 90 metres in the remainder of the Baltic. Hydrogen sulphide was found at the bottom in Last updated: Apr 23, 2014

between 1.1 and 2.2 µmol/l, silicate between 1 and 4 µmol/l and phosphate ca. 0.3 µmol/l. At the stations P2 and Å13, high ammonia concentrations were found at intermediate layers between 10 and 50 metres depth. Oxygen situation was normal for the season. The Kattegat, the Belt Sea and the Sound Surface Last updated: Apr 23, 2014

new conductivity-temperature-depth measurement instrument (CTD). Data presented in this report have been subject to preliminary quality control procedures only. Nutrient concentrations in the surface waters were normal for the season almost everywhere. The exception was phosphate which, south-east of Last updated: Apr 23, 2014

Address Nya Varvet 31 SE-426 71 Vastra Frolunda SWEDEN Telephone 46 11 4958000 Telefax 46 31 7518980 E-mail shark@smhi.se WWW http //www.smhi.se/ Bodil Thorstensson Swedish Meteorological and Hydrological Institute Oceanographical Laboratory 2004-04-24 Dnr Mg-2004-092 CRUISE REPORT FROM R/V ARGOS Last updated: Apr 23, 2014

The temperature was normal, however in the higher region within normal values of the Skagerrak and the Kattegat. Nutrient concentrations in the surface layer were normal for the season in all areas, except the silicate concentration of the Baltic that was slightly lower. Hydrogen sulphide was Last updated: Apr 23, 2014

The temperature and nutrient concentrations in the surface layer, were normal for the season in all areas. An intense plankton bloom was ongoing in the eastern Skagerrak, in the Arkona Basin, the Hanö Bight and in an area in the northern part of the western Gotland Basin. Hydrogen sulphide was Last updated: Apr 23, 2014

REPORT FROM R/V ARGOS Survey period 20010226-20010304 Survey area The Skagerrak, the Kattegat, the Sound, and the Baltic Proper Principal SMHI SUMMARY The expedition was performed within SMHIs regular marine monitoring programme and covered the Skagerrak, the Kattegat, the Sound, and the Baltic Proper Last updated: Apr 23, 2014

Temperature as well as nutrient conditions in the surface layer were normal for the season in all areas except some temperatures in the Baltic, which were higher. In the Baltic oxygen concentration of the bottom water usually was lower than the mean value of the latest decade. Oxygen concentrations Last updated: Apr 23, 2014