Ob Estuary, largest of the World, Russia

Sentinel-1 CSAR IW acquired on 27-29 August and 05 september 2017
Sentinel-3 OLCI FR acquired on 23 August 2018
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Russia, Ob, Estuary, largest, Sentinel-1, Sentinel-3, OLCI
Fig. 1 - COP-DEM & GEBCO - Global view of the Gulf of Ob.
3D view 2D view
The Gulf of Ob is a bay of the Arctic Ocean, located in Northern Russia at the mouth of the Ob River. It is the world's longest estuary.
Fig. 2 - S3 OLCI (23.08.2018) - Optical view of the Gulf of Ob.
3D view 2D view
It spans approximately 1,000 kilometers (620 miles) in length, with a width fluctuating between 50 to 80 kilometers (31 to 50 miles), and predominantly follows a north-south trajectory.
Fig. 3 - S1-IW (27.08 & 05.09 2017) - Radar view of the Gulf of Ob.
3D view 2D view
Moving towards the northern region, apart from a handful of islands near the coastline, like Khalevigo and Nyavigo, the Gulf of Ob remains devoid of islands until it converges with the Kara Sea.
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.
More on European Commission space:
More on ESA: S-1 website S-2 website S-3 website
More on Copernicus program: Scihub portal Cophub portal Inthub portal Colhub portal
More on VisioTerra: Sentinel Vision Portal Envisat+ERS portal Swarm+GOCE portal CryoSat portal