Water colour at the confluence of Parana river, Brazil

Sentinel-2 MSI acquired on 19 March 2018
Sentinel-2 MSI acquired on 13 March 2020
Sentinel-2 MSI acquired on 02 May 2020
Sentinel-2 MSI acquired on 21 July 2020
Sentinel-2 MSI acquired on 21 February 2021
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): River, hydrology, water colour, sediments, alluvium, Brazil.
Fig. 1 - S2 (21.07.2020) - The Paraná is a river in South America, running through Brazil, Paraguay, and Argentina for some 4880 km.
Fig. 2 - S2 (21.07.2020) - The course is formed at the confluence of the Paranaiba and Rio Grande rivers in southern Brazil.
Fig. 3 - S2 (13.03.2020) - The Paranaiba (north) is mostly blueish and Rio Grande (east) is closer to black due to its tannin content.
Fig. 4 - S2 (19.03.2018) - Lajeado River is more loaded with sediments, its confluence with the Paraná is very close to Ilha Solteira dam.