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the Bay of Hanö from 70 metres. Nutrient concentrations in the surface were at normal levels for the season. Higher concentrations were found beneath the halocline which is normal, however the phosphate levels were below normal beneath the halocline in the Western Gotland Basin and in the northernmost Last updated: Nov 28, 2017

south-eastern part of Kattegatt, from about 57°N, showed oxygen values below 2 ml/l. At the visited frequent stations, P2 in the Skagerrak and Fladen and Anholt E in the Kattegatt sea surface temperature was about 4°C higher than normal. In the Kattegatt oxygen amounts in the bottom water were lower Last updated: Apr 23, 2014

Bengt Yhlen Swedish Meteorological and Hydrological Institute Oceanographical Laboratory 2006-10-25 Dnr Mo-2006-240 CRUISE REPORT FROM R/V ARGOS Survey period 2006-10-02 - 2006-10-24 Survey area The Skagerrak, Kattegat, Sound, Baltic Proper and the Åland Sea Principal SMHI and the National Board of Last updated: Apr 23, 2014

There was no increased nutrient concentrations recorded in Skagerak or Kattegatt and the spring bloom had not began. The oxygen condition in the bottom water of Skagerrak was good and no station recorded a saturation below 90%. In the bottom water of Kattegatt the lowest recorded oxygen …

Last updated: Apr 23, 2014

monitoring the acute endangered Baltic Sea population of porpoises in the Baltic Sea, using acoustic porpoises detectors, and deployed three around the N Midsjöbanken. This report is based on data that have passed a first quality control. When data are published at the SMHI data centre some values might have Last updated: May 05, 2017

construction and operation, good examples and data on temperatures and water, and they point out that there are also a number of obstacles in the form of political decisions, legislation and sluggish changes to planning processes.” “We hope that our report will provide inspiration and information about where Last updated: Jul 04, 2022

Christiansö (BY4) bottom water at 91 meters which indicates incoming water. Acute hypoxia, < 2 ml/l was found in all basins from 70-80 meters depths in the Baltic Proper. All nutrients in the surface water were generally normal for the season, except in the southern part of the Baltic Proper where Last updated: Jan 20, 2017

) about 0.6 m 3 of sea water from the Baltic Proper was collected. This water will be used by QUASIMEME to produce reference material that will be sent to different laboratories in Europe for analysis for external quality assurance. This report is based on data that have passed a first quality control Last updated: Mar 20, 2017

The temperature as well as nutrient conditions in the surface layer were normal for the season in all areas. Oxygen concentrations below 2 ml/l, were found in the Eastern, Western and Northern Gotland Basins at depths exceeding 70 to 80 metres. Hydrogen sulphide was found from 125 metres in the Last updated: Apr 23, 2014