Image interpretation examples

This page represents some examples of image interpretation

Crevassing

• Visible on medium to VHR imagery

• As always with optical: cloud free required

• Low sun angle can be advantageous

Crevassing in McCallum pass, Sentinel-2 Image, Copernicus Sentinel Data 2023, Processed by ESA

Same area, Google Maps (2024), VHR image.

Same area, Data derived from SAR © [2024] Umbra Lab, Inc. (originally licensed under CC BY 4.0 )

Wildlife

A VHR image of an emperor penguin colony at Halley Bay. An estimated 22,510 penguins were counted at this site. Maxar image, courtesy of the Australian Antarctic Division. Source

Atka Bay penguin colony on a VHR SAR image. You can see ice on the left and smooth ice, probably covered with fresh snow on the right. White swarms on ice are penguins. Same area, Data derived from SAR © [2024] Umbra Lab, Inc. (originally licensed under CC BY 4.0 )

Sastrugi

Sastrugi on Landsat8 image (15 m)

Sea ice

Fast ice

First-year fast-ice at Case Corner, Modified Copernicus Sentinel data, 2024/Sentinel Hub

First-year fast-ice at Case Corner, Modified Copernicus Sentinel data, 2024/Sentinel Hub

Pack ice

Pack Ice and close drift ice at Stange Ice Front, Modified Copernicus Sentinel data, 2024/Sentinel Hub

Pack Ice and close drift ice at Stange Ice Front, Modified Copernicus Sentinel data, 2024/Sentinel Hub

Sea ice around Coronation Island, Sentinel-1 SAR (40m, HH polarization) Tabular bergs (bright white) within mobile sea ice. Dense pack ice (up to 100%) with floes bottom-right corner. Open water in the lee of tabular bergs and Coronation Island towards top of image. Open water (dark) left of image. Ice bergs (bright dots) bottom-left of image.