Water colour in northern Poland

Sentinel-2 MSI acquired on 30 July 2017 at 10:00:31 UTC
Sentinel-2 MSI acquired on 23 July 2018 at 10:10:19 UTC
Sentinel-3 OLCI FR acquired on 27 July 2018 at 09:24:59 UTC
Sentinel-2 MSI acquired on 06 January 2019 at 10:04:09 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Water colour, algal bloom, cyanobacteria, water quality, pollution, lakes, lagoons, Poland, Baltic Sea
Fig. 1 - S2 (30.07.2018) - 4,3,2 natural colour - Massive algal blooms in the Vistula lagoon & the Gdansk Bay.
Fig. 2 - S3 OLCI (27.07.2018) - 7,6,4 colour composite - A large bloom in the Baltic Sea in the end of July 2018.
Fig. 3 - S2 (23.07.2018) - Most coastal lagoons are greenish while the curls in the sea are closer to cyan.
Fig. 4 - S2 (06.01.2019) - Vistula brought sediments colouring the lagoon in brown.