Cruise reports from the marine monitoring

Reports from SMHI's regular marine monitoring programme. Data presented in the reports have been subject to preliminary quality control procedures only.

Cruise report from R/V Svea week 37-38, 2021

The temperature in the surface water in all sea areas was normal and varied between 14–18 degrees, coldest in the western Gotland Basin. In all sea areas, there was a well-mixed surface layer separated from the underlying water by a thermocline at 10–20 meters deep. The salinity of the surface …

 
Type: Report
Author: Lena Viktorsson
Published: Oct, 2021
Published: Last updated:

Cruise report from R/V Svea week 34-35, 2021

SMHI performed an oxygen and nutrient survey within SLU Aqua’s cruise; the International Bottom Trawl Survey (IBTS Q3), that covers the Skagerrak, the North Sea and the Kattegat. SMHI joins the cruise to perform CTD measurements in connection to each trawl and to take water samples for the annual …

 
Type: Report
Author: Martin Hansson
Published: Sep, 2021
Published: Last updated:

Cruise report from R/V Svea week 32-33, 2021

The slightly milder and windier weather during August resulted in a decrease in the temperature in all sea areas and was now normal at most stations. In all sea areas, there was a well-mixed surface layer separated from the underlying water of a thermocline between 15–20 m depth. At some stations …

 
Type: Report
Author: Lena Viktorsson
Published: Aug, 2021
Published: Last updated:

Cruise report from R/V Svea week 23, 2021

Heating of the surface waters were observed in all visited areas with surface temperatures over 15 ℃ and with a thermocline as result, which is normal for June. The salinity varied more, about 7 psu in the Baltic Proper, between 12-18 psu in the Sound and the Kattegat. This is higher than normal in …

 
Type: Report
Author: Örjan Bäck
Published: Aug, 2021
Published: Last updated:

Cruise report from R/V Svea week 28, 2021

The warm weather during June and July increased the surface water temperature in all sea areas. All sea areas, except the Skagerrak, had higher temperatures than normal. Salinity remained higher than normal in the eastern part of the Baltic Proper and in parts of its deep water.

Dissolved …

 
Type: Report
Author: Martin Hansson
Published: Jul, 2021
Published: Last updated:

Cruise report from R/V Svea week 20, 2021

Warming of the surface water (0-10m) at all sea basins continued in May. At several stations, the increase was about 5 ℃ compared with previous month. The salinity of the surface water at the outer stations in the Skagerrak were slightly above normal. In the Kattegat, which had salinity above …

 
Type: Report
Author: Johan Kronsell
Published: Jun, 2021
Published: Last updated:

Cruise report from R/V Svea week 15, 2021

During the cruise, which is part of the Swedish national marine monitoring programme, the Skagerrak, the Kattegat, the Sound and the Baltic Proper were visited.

The surface temperature increased in all monitored basins in April. In the Kattegat the temperature increased the most by 2℃ since the …

 
Type: Report
Author: Martin Hansson
Published: Apr, 2021
Published: Last updated:

Cruise report from R/V Svea week 11, 2021

During the expedition, which is part of the Swedish national marine monitoring programme, the Skagerrak, the Kattegat, the Sound and the Baltic Proper were visited. During the first part of the survey the winds were mostly from the north, and the air temperature was 0-2℃, but the wind direction …

 
Type: Report
Author: Johan Kronsell
Published: Apr, 2021
Published: Last updated:

Cruise report from R/V Svea week 3-5, 2021

The expedition was included within SLU:s International Bottom Trawl Survey and covered the Skagerrak and the Kattegat.

Mapping of winter nutrient conditions was performed in the Skagerrak at 11 stations where complete hydrography were sampled, and 10 stations with only CTD. In the Kattegat area 14 …

 
Type: Report
Author: Johan Kronsell
Published: Mar, 2021
Published: Last updated:

Cruise report from R/V Svea week 6-7, 2021

The surface water, which had been warmer than normal during the autumn and winter, had now cooled down considerably, especially in the Skagerrak and the Kattegat. There the temperature varied between 0.6–3.4 degrees, at most stations there the temperature was below normal in the surface water. …

 
Type: Report
Author: Lena Viktorsson
Published: Feb, 2021
Published: Last updated:
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