Glaciology

A grayscale shaded relief map of the western part of Canada with red areas on top showing glaciers.

Mapping Glacier Loss in Western Canada

Caitlin Dempsey

Researchers are using remotely sensed data and satellite imagery to map glacier loss in Western Canada.

A satellite image of a glacier in the Antarctic.

Glaciers in the Antarctic Peninsula are Moving Faster During the Summers

Caitlin Dempsey

Researchers analyzed 10,000+ satellite images taken from 2014 to 2021 to measure the seasonal velocity of 105 glaciers on the Antarctic Peninsula.

Iceberg A-76. Image: contains modified Copernicus Sentinel data (2021), processed by ESA, CC BY-SA 3.0 IGO

World’s Biggest Iceberg

Caitlin Dempsey

Currently, the largest iceberg in the world is A-23A, with an area of 3,880 square kilometers.

Satellite image of glaciers and bogs in northern Sweden.

Oldest National Park in Europe

Caitlin Dempsey

Established in 1909, Sarek in Sweden is Europe's oldest national park.

Natural-color image of Imja Tsho and surrounding glaciers. Source: Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite, October 4, 2010.

Melting Glaciers and Larger Lakes

Caitlin Dempsey

A global survey that used satellite data has determined that overall, glacial lakes have increased in volume almost 50% since 1990.

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