Oceanological Research of the Baltic Sea in the 51st Cruise of the PV Akademik Sergey Vavilov (June–July 2021)

The 51st cruise of the PV Akademik Sergey Vavilov (June 30–July 14, 2021) included the study of redox conditions in the Baltic Sea deeps. Water temperature in the upper quasi-uniform layer significantly exceeded average climatic values for July, especially in the Gulf of Finland (by 7–7.5°С) due to...

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Bibliographic Details
Published inOceanology (Washington. 1965) Vol. 62; no. 4; pp. 578 - 580
Main Authors Ulyanova, M. O., Sivkov, V. V., Bashirova, L. D., Kapustina, M. V., Bubnova, E. S., Danchenkov, A. R., Ezhova, E. E., Krechik, V. A., Eremina, T. R.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.08.2022
Springer Nature B.V
Subjects
Coastal management
Coastal waters
Cruises
Earth and Environmental Science
Earth Sciences
Hot weather
Information
Oceanography
Surveying
Water temperature
carbon polygon
Gulf of Finland
hypoxic conditions
anoxic conditions
Gdansk Deep
Baltic Sea
Gotland Deep
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Summary:The 51st cruise of the PV Akademik Sergey Vavilov (June 30–July 14, 2021) included the study of redox conditions in the Baltic Sea deeps. Water temperature in the upper quasi-uniform layer significantly exceeded average climatic values for July, especially in the Gulf of Finland (by 7–7.5°С) due to abnormally hot weather. A setup of cyanobacterial aggregates from the subsurface layer to the surface was observed, it occurred earlier than normal. In cooperation with the Immanuel Kant Baltic Federal University an integrated survey was carried out at the Kaliningrad carbon polygon and the IV International Summer School “Coastal Sea Zone: Research, Management and Perspectives” was held.
ISSN:0001-4370
1531-8508
DOI:10.1134/S0001437022040130