Fish farming in French Mediterranean lagoons

Sentinel-2 MSI acquired on 18 April 2018 at 10:40:21 UTC
Sentinel-1 CSAR IW acquired on 21 April 2018 at 17:38:07 UTC
Author(s): Sentinel Vision team, VisioTerra, France -
Keyword(s): Food security, fish farming, pisciculture, coastal, lagoon, Gulf of Lion, Mediterranean Sea, France
Fig. 1 - S1 (21.04.2018) - vv,vh,ndi(vh,vv) colour composite - Large oysters & mussels farms in Etang de Thau lagoon near Montpellier.
The 75km² Etang de Thau is only 5m deep. Connected to the almost tideless Mediterranean sea, it allows using floating platforms.
Fig. 2 - S2 (18.04.2018) - 4,3,2 natural colour - Zoom on the western farm 3 days before, underwater cages leave slightly visible patterns.
Fig. 3 - S1 - Further south-west, another large fish & mussels farm in Étang de Leucate lagoon near Perpignan.
Fig. 4 - S2 - Attentive viewers can still find the regular patterns of cages in this optical image.