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Topic 6D - ML To Help Navigate In Changing Polar Regions

Featured Images and Example Data
Image from Radarsat-2. Blue: Open Water/ Nilas (OW), Purple: Young Ice (YI), Yellow: First Year Ice (SFYI), Red: Rough First Year Ice/Multi - Year Ice/Ice Berg. Acquired on 30 January 2017, 10:36:35 UTC, showing an area of sea ice in the Arctic
Polarimetric Ice classification
Image from Radarsat-2. Blue: Open Water/ Nilas (OW), Purple: Young Ice (YI), Yellow: First Year Ice (SFYI), Red: Rough First Year Ice/Multi - Year Ice/Ice Berg. Acquired on 30 January 2017, 10:36:35 UTC, showing an area of sea ice in the Arctic

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DLR
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A Radasat-2 Geocoded Pauli RGB composite image acquired on 30 January 2017, 10:36:35 UTC, showing an area of sea ice in the Arctic
Geocoded Pauli RGB composite
A Radasat-2 Geocoded Pauli RGB composite image acquired on 30 January 2017, 10:36:35 UTC, showing an area of sea ice in the Arctic

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DLR
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This is a composit image of extra wide swath acquisitions by Sentinel-1
Sentinel-1 sea ice composite
This is a composit image of extra wide swath acquisitions by Sentinel-1

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DLR/Copernicus Sentinel-1 data
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This is another composite wide swath image acquired by Sentinel-1, of sea ice
Sentinel-1 sea ice composite 2
This is another composite wide swath image acquired by Sentinel-1, of sea ice

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DLR/Copernicus Sentinel-1 data
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This image shows sea ice characterisation overlaying the composite sentinel-1 imagery. The yellow shows smooth first year ice, the blue is open water, and the purple is young ice.
Sentinel-1 sea ice characterisation
This image shows sea ice characterisation overlaying the composite sentinel-1 imagery. The yellow shows smooth first year ice, the blue is open water, and the purple is young ice.

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DLR/Copernicus Sentinel-1 data
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This Sentinel-1 wide swath composite shows a channel in between two islands
Sentinel-1 sea ice composite 3
This Sentinel-1 wide swath composite shows a channel in between two islands

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DLR/Copernicus Sentinel-1 data
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This image shows sea ice characterisation overlaying the composite sentinel-1 imagery. The yellow shows smooth first year ice, the blue is open water, and the purple is young ice.
Sentinel-3 composite sea ice characterisation - channel
This image shows sea ice characterisation overlaying the composite sentinel-1 imagery. The yellow shows smooth first year ice, the blue is open water, and the purple is young ice.

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DLR/Copernicus Sentinel-1 data
Source Link
This image shows sea ice characterisation overlaying the composite sentinel-1 imagery. The yellow shows smooth first year ice, the blue is open water, and the purple is young ice.
Sea ice characterisation
This image shows sea ice characterisation overlaying the composite sentinel-1 imagery. The yellow shows smooth first year ice, the blue is open water, and the purple is young ice.

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DLR/Copernicus Sentinel-1 data
Source Link
Two examples of dark spots : (a) Verified oil spill on a SAR image taken on 6 September 2005 close to Ancona , Italy . b) Verified look - alike on a SAR image taken on 25 August 2005 close to Otranto, Italy
Oil spill look - alike issue
Two examples of dark spots : (a) Verified oil spill on a SAR image taken on 6 September 2005 close to Ancona , Italy . b) Verified look - alike on a SAR image taken on 25 August 2005 close to Otranto, Italy

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DLR
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These are Sentinel-1 IW mode images of oil spills in the Mediterranean
Sentinel-1 - Oil spill product
These are Sentinel-1 IW mode images of oil spills in the Mediterranean

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DLR/Copernicus Sentinel-1 data
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These SAR images of oil spills were detected by the deep neural network architecture Yolov4
SAR oil spill detection
These SAR images of oil spills were detected by the deep neural network architecture Yolov4

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Yi - Jie Yang, Suman Singha & Roberto Mayerle, Fully Automated Sar Based Oil Spill Detection Using Yolov4. I GARSS 2021
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Featured Video and Animations
This visualisation shows the polar ice concentration of the northern and southern hemispheres throughout 2016, as seen by the DMSP and Metop satellites.
A year of polar ice - 2016
This visualisation shows the polar ice concentration of the northern and southern hemispheres throughout 2016, as seen by the DMSP and Metop satellites.

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EUMETSAT
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This animation is of satellite data of the Arctic taken over 9 days in March 2019. The blue areas are optical imagery acquired by Sentinel-3, and the orange is an extra wide swath acquired by sentinel-1
Sentinel-1 and 3 arctic coverage
This animation is of satellite data of the Arctic taken over 9 days in March 2019. The blue areas are optical imagery acquired by Sentinel-3, and the orange is an extra wide swath acquired by sentinel-1

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DLR/Copernicus data
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Animation of Sentinel-1 in orbit
Sentinel-1 Flybyes
Animation of Sentinel-1 in orbit

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ESA
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