Seasonal changes in Volta Basin

Sentinel-3 OLCI FR acquired on 09 November 2016 at 09:43:42 UTC
Sentinel-1 CSAR IW acquired on 09 November 2016 from 18:17:43 to 18:18:37 UTC
Sentinel-1 CSAR IW acquired on 20 January 2017 from 18:17:39 to 18:18:33 UTC
Sentinel-3 OLCI FR acquired on 25 January 2017 at 09:47:25 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): land, dam, seasonal change, bush, savanna, sediments, coastal erosion, renewable energy, lake Volta, Ghana, Togo
Fig. 1 - OLCI (2016.11.09) - Lake Volta during wet season, water courses show high sediments content - 8-6-3 natural colour.
Fig. 2 - OLCI (2017.01.25) - Lake Volta during the dry season (December to February).
Fig. 3 - S1 (2016.11.09) - Lake Volta is by far the World's largest artificial reservoir by area with 8500km² - VV/VH/NDI(VH,VV) composite.
Fig. 4 - S1 (2016.01.20) - While critical for Ghana electricity production, Lake Volta is accused of inducing seismicity and shoreline erosion.
Fig. 5 - S1 (2016.11.09) - Detail in the northernmost part of Lake Volta.
Fig. 6 - S1 (2017.01.20) - One can observe a striking contrast in this region between the wet and dry season.
Fig. 7 - Akosombo dam (red) is located near the converging point where the Akwapim-Togo Range meets the Kwahu Plateau.