Abstract
Paper presents an analysis of eutrophication level of Baltic Sea based on the satellite images analysis. Methodologically, the analysis was based on level of the normalized difference vegetation index estimation. Studies was conducted in Gdansk Bay of the Baltic Sea in the Kaliningrad region, based on deposit data for the period from May to September, 2013-2021. It has been established that in the region under study there is a peak in the level of eutrophication in 2017-2019, with a gradual decline in 2019-2021, associated with the stagnation of production processes that introduce nutrients into the waters of the Baltic Sea. A general increased value of normalized difference vegetation index for the coastal waters of the Baltic Sea was noted in comparison with background level.
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