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June 5, 2023

Pyramid and Van Trump Glacier, Mount Rainier No Longer Glaciers-Thresholds Leading to Glacier Loss

Van Trump (VT)  and Pyramid (P) Snowfields Oct. 19, 2022 false color Sentinel image. VT1 and P1 are the largest at ~0.046 and 0.048 km² respectively. Scott Beason, Taylor Kenyon, Ro Jost and Lauren Walker (2023) provide an excellent record of glacier extent change on Mount Rainier Glaciers for the 1896-2021 period. They note a 41.6% reduction in Mount Rainier glacier area during this 125 year period. This study identified …


September 7, 2021

Adams Glacier, Washington 50% area loss since 1998, No retained Snow in 2021

Adams Glacier in Sentinel 2 False Color image from 8-30-2021. Green dots indicate margin of the Adams Glacier and the now separated Adams Outlier section. The pink arrows indicate the top and bottom of the icefall. F=regions of exposed firn, A=areas of perennial retained accumulation.  Adams Glacier descends the north side of Mount Adams a 3743 m stratovolcano in the Cascade Range of Washington.  The glacier begins from the summit …