Flood in New Zealand after 300 mm of rain fall in a day

Sentinel-1 CSAR IW acquired on 24 April 2021 at 17:31:24 UTC
Sentinel-2 MSI acquired on 28 April 2021 at 22:25:39 UTC
Sentinel-1 CSAR IW acquired on 30 May 2021 at 17:31:26 UTC
Sentinel-2 MSI acquired on 02 June 2021 at 22:25:51 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Emergency, natural disaster, flooding, river, hydrology, precipitations, New Zealand
Fig. 1 - S2 (28.04.2021) - Blue ribbons meander in the river bed before the event.
3D view
Fig. 2 - S2 (02.06.2021) - Swollen yellowish river bring eroded alluvium into the sea.
3D view
Fig. 3 - S2 (28.04.2021 & 02.06.2021) - The yellow matter content has largely increased in the river, which shows using this processing.
3D view
A state of emergency has been declared for the entire region of Canterbury in New Zealand following torrential rain and flooding.
Fig. 4 - S2 (28.04.2021) - A bit further south, near Christchurch and Banks Peninsula.
3D view
In around 21 hours on 30 May, several weather stations recorded between 200 mm and 300 mm of rain.
Fig. 5 - S2 (02.06.2021) - The sediment plume of the rivers has largely increased after the torrential precipitations.
3D view
Fig. 6 - S2 (28.04.2021 & 02.06.2021) - Increased yellow matter in the rivers is visible in yellow.
3D 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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