Last acquisitions before entering revisit mode

The last acquisition campaign in the north hemisphere is underway. Some beautiful images already acquired over glaciers in the Yukon Territory. In 2021, the program will enter into repeat mode.

Pléiades @ CNES 2020, Distribution Airbus D&S

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2025 north hemisphere images processed : new maps of elevation changes

Each semester, the two Pléiades satellites revisit several PGO sites (typically between 10 and 20). Comparison with previous surveys (dating back 5 years or more) enables new maps of elevation changes to be generated. We have just finished processing the 2025 stereo images for the northern hemisphere and have estimated the changes of glaciers in […]

3D animations of future glacier retreat using PGO data

A High-Level International Conference on Glaciers’ Preservation was held from 29 to 31 May 2025 in Dushanbe, Tajikistan. The conference was organized by the Government of the Republic of Tajikistan in cooperation with the United Nations and other development partners, in support of the International Year of Glaciers’ Preservation (2025). The principal aims were to […]

Beyond Pléiades. 4D-Earth ?

Pléiades will be flying until 2026, maybe slightly later. Another key stereo mission, ASTER on-board TERRA, will stop acquiring images in 2026 or 2027. A large scientific community (in particular glaciologists) is worried about the lack of follow up stereo missions. See here a Letter to the Editor in Nature. This is why we propose […]

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