Bayou submersion in Louisiana, United States

Sentinel-1 CSAR IW acquired on 15 March 2015 at 00:09:46 UTC
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Sentinel-2 MSI acquired on 02 April 2021 at 16:28:29 UTC
Sentinel-2 MSI acquired on 05 April 2021 at 16:38:39 UTC
Sentinel-1 CSAR IW acquired on 12 July 2021 from 00:02:00 to 00:02:25 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Coastal, wetland, swamp, dam, infrastructure, urban planning, subsidence, erosion, sedimentation, alluvium, biodiversity, Mississippi delta, USA
Fig. 1 - S1 (15 & 22.03.2015) - Radar image of the south-west lobe of the Mississippi delta in 2015, it is no longer active, the active lobe is at south-east.
2D view
Fig. 2 - S1 (05 & 12.07.2021) - Most sediments are now blocked by dams upstream, causing the erosion of the bayou.
2D view
Fig. 3 - S1 (15 & 22.03.2015; 05 & 12.07.2021) - The brighter magenta surfaces near water were land areas in 2015 that became open water since.
2D animation 2D view
Fig. 4 - L5 (06.04.1984) - 1984 image showing several villages near the southern extremity of the delta.
2D view
Fig. 5 - S2 (05.04.2021) - A massive proportion of the surface diseappeared underwater, the subsidence is worsened by the pumping caused by the oil industry.
2D view
Fig. 6 - L5 (06.04.1984) & S2 (05.04.2021) - The magenta areas were land areas in 1984 that became open water in 2021.
2D animation 2D view
The views expressed herein can in no way be taken to reflect the official opinion of the European Space Agency or the European Union.
Contains modified Copernicus Sentinel data 2024, processed by VisioTerra.
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