Tag Archives: Sentinel-1

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June 25, 2019

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Monitoring ice shelves in Antarctica

Brunt Ice Shelf

Source: Ice Shelves : Brunt

Two large cracks, Chasm 1 and the ‘Halloween Crack’, are growing on the Brunt Ice Shelf in Antarctica and when they meet, a large iceberg around 3 times the size of Leeds (1,594 km2) will break off.

Ice Speed on the Brunt Ice Shelf

Ice Shelf Calving

Source: Ice Shelves : Brunt

For inquiries of a scientific nature, please contact Dr. Anna Hogg, for inquiries related to web site operations please contact: Alan Muir at a.muir@ucl.ac.uk.

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September 5, 2017

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Flood Monitoring from Space – ESA’s Sentinel-1

Karachi, the largest city of Pakistan received heavy monsoon rain August 30, 2017. The flood in Karachi due to heavy rains is the continuation of the similar monsoon related flooding crisis in the South East Asia region (India, Bangladesh etc.).The Flood map below is derived (subset of Karachi city ) from European Space Agency (ESA)’s Copernicus Program SENTINEL-1 Synthetic Aperture RADAR (SAR) image acquired on September 01, 2017. The green color in the map shows the flooded region.

 

 

The total rainfall derived from satellite data (GPM IMERG) for Karachi from August 29-31, 2017 is shown in Figure below:

 

 

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May 12, 2017

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Monitoring Arctic Glaciers using Copernicus Sentinel-1 Satellites

ESA’s Climate Change Initiative in Glaciers_CCI Project, a team of researchers are using Copernicus Sentinel-1 SAR data with other optical data to monitor glaciers from space. The Negribreen glacier surge has been captured and shown in the animated gif (credit: ESA)