Research vessel Aranda on its monitoring cruise in January 2021 in the Bothnian Bay. Getting prepared for coring of an ice buoy of the Finnish Meteorological Institute. © Photo: Ilkka Lastumäki, SYKE.

Aranda’s monitoring cruise: Record high temperatures in some areas in the Baltic Sea, increasing phosphorus concentrations in the Archipelago Sea and the Bothnian Sea

Press release March, 4, 2021 the Finnish Environment Institute SYKE and the Finnish Meteorological Institute
Water temperatures in the Baltic Sea are increasing and the deep-water temperatures are record-high in some areas. Phosphorus concentrations are rising in the central part of the Archipelago Sea and the Bothnian Sea. The observations were made during the annual winter monitoring cruise in January which is part of the Monitoring Programme of the Finnish Marine Management Plan.