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2 June 2022

Grand Pacific Glacier Losing its Grand and Pacific Connection

Grand Pacific Glacier in 1984 and 1999 Landsat images. Red arrow indicates the front of the clean ice flow of the Grand Pacific that also marks its lateral boundary with Ferris Glacier.  B and C indicate locations where tributary tongues have been retreating from the main glacier. M is the Margerie Glacier. Grand Pacific Glacier in 2015 and 2021 Landsat images. Red arrow indicates the front of the clean ice …

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21 April 2021

Geikie Glacier, Alaska Lofty No More

  Geikie Glacier (G) in 1986 and 2018 Landsat images. Pink arrow is the 1954 terminus, red arrow the 1986 terminus and yellow arrow the 2018 terminus location. GI is Geikie Inlet which the glacier withdrew from 110 years ago. Geikie Glacier is on the west side of Glacier Bay, Alaska. John Muir in October 1879 observed Geikie Glacier in Geikie Inlet, which had separated from Muir Glacier within the …

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18 February 2010

Brady Glacier, Alaska begins a substantial retreat

Brady Glacier is a large glacier at the south end of the Glacier Bay region, Alaska. When first seen by George Vancouver it was a calving tidewater glacier in 1794 filling Taylor Bay with ice. Brady Glacier ceased calving and advanced approximately 8 km during the 19th century (Klotz, 1899). As Bengston (1962) notes, the advance is likely another example of an advance following a change from tidal to non-tidal …

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