Red River delta and Ha Long Bay, Vietnam

Sentinel-2 MSI acquired on 17 December 2017 at 03:21:31 UTC
Sentinel-1 CSAR IW acquired on 21 August 2018 from 22:49:55 to 22:50:20 UTC
Sentinel-2 MSI acquired on 31 October 2018 at 03:28:49 UTC
Sentinel-2 MSI acquired on 02 November 2018 at 03:19:01 UTC
Sentinel-1 CSAR IW acquired on 10 November 2018 from 11:05:44 to 11:06:09 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Coastal, water colour, river, delta, agriculture, food security, UNESCO World Heritage, Vietnam, Gulf of Tonkin.
Fig. 1 - S2 (17.12.2017) - 4,3,2 natural colour - North of Vietnam, Ha Long Bay is a famed UNESCO World Heritage.
Fig. 2 - S1 (10.11.2018) - vv,vh,ndi(vh,vv) colour composite - It is renown for the steep topography of its limestone karst landforms.
Fig. 3 - S2 (31.10.2018 & 02.11.2018) - Red River (aka Sông Hồng) delta advances 100m into the Gulf annually.
Fig. 4 - S1 (21.08.2018) - Low-lying, it is regularly flooded & covered by alluvium, making it a rich agricultural land.