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You are browsing the archive for South Georgia Glacier Retreat Archives - From a Glacier's Perspective.

October 18, 2019

Nordenskjold Glacier, South Georgia Retreat Accelerates

Nordenskjold Glacier in 1993 and 2019 Landsat images.  Red arrow is the 1989 terminus location, yellow arrows the 2019 terminus location. Purple arrow is a tributary that has separated. Point #1 and #3 is expanding bedrock ribs.  Point #2 is an impounded glacial lake. Nordenskjold Glacier is a tidewater glacier flowing into Cumberland East Bay on the east coast of South Georgia, Island.  Cook et al (2010) and Gordon et al (2008) noted …

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April 24, 2019

Twitcher Glacier, South Georgia, 40% of Length Lost 1989-2019

Twitcher Glacier in Landsat images from 1989 and 2019.  The red arrow is the 1989 terminus and yellow arrow is the 2019 terminus.  1, 2 and 3 are tributaries. Twitcher Glacier is the next glacier south of Herz Glacier on the east coast of South Georgia. Until 1989 the glacier ended at the tip of a peninsula, the ensuing retreat has led to the opening of a new fjord.  Twitcher …

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February 22, 2019

Hindle Glacier Retreat, South Georgia 2 km 2015-2019

Hindle Glacier comparison in 2017 and 2019 Landsat images.  Red arrow is 1989 terminus, pink arrow the 2015 terminus, yellow arrow the 2017 terminus location and green arrow the 2019 terminus location.  South Georgia is south of the Polar Front preventing any truly warm season, with the cool maritime climate leading to numerous glaciers covering a majority of the island.  Hindle Glacier enters Royal Bay on the east coast of South Georgia …

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January 20, 2019

Novosilski Glacier, South Georgia 2.5 km Retreat 2001-2018

Novosilski Glacier in Landsat images from 2001 and 2018. Red arrow indicates 2001 terminus location, yellow arrow the 2018 terminus location, pink arrows the fringing grounded sections of marginal ice. Novosilski Glacier is a large tidewater outlet glacier on the west (cloudier) coast of South Georgia terminating in Novosilski Bay It shares a divide with the rapidly retreating Ross and Hindle Glacier on the east coast.  Gordon et al. (2008) observed that …

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February 9, 2018

Risting Glacier, South Georgia Retreat Expands Drygalski Fjord

Risting Glacier right and Jenkins Glacier left in Landsat images from 2002, 2015 and 2016.  Red arrow is the 2002 terminus lcoation and yellow arrow at 2016 terminus location.  Dryglaski fjord extends southeast from the glaciers.  Risting Glacier terminates in Drygalski Fjord on the southeast coast of South Georgia.  Risting and Jenkins Glacier were joined until the 1980’s.  Cook et al (2010) note the glacier had a relatively uniform retreat …

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January 17, 2018

Konig Glacier, South Georgia Separates from Neumayer Glacier in 2017

Konig Glacier (K) terminus retreat compared in 1999 and 2017 Landsat images.  The red arrow indicate the 1999 terminus location, yellow arrows 2017 terminus location and blue arrows the surface movement. The southern terminus formerly connected with Neumayer Glacier (N) is now separate. Konig Glacier is a land terminating glacier just north of the Neumayer Glacier, on the northwest coast of South Georgia.  The glacier has a split terminus, a northern …

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November 7, 2017

Ryan Glacier, South Georgia Retreats from Tidewater

Ryan (R) and Brunonia Glacier (B) in 1999 and 2016 Landsat images.  Red arrows indicate the 1999 terminus and pink arrows a new proglacial lake.  Ryan Glacier and Bunonia Glacier span the width of South Georgia near its northwestern tip.  Brunonia Glacier flow east and terminates in Sunset Fjord and Ryan Glacier flows to the west into Ice Fjord, which seems more viable as a “Sunset” Fjord.  The glacier divide …

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January 31, 2017

Hindle Glacier Rapid Retreat Continues, South Georgia

Hindle Glacier comparison in 1989, 2015 and 2017 Landsat images.  Red arrow is 1989 terminus, pink arrow the 2015 terminus and red arrow the 2017 terminus location.  South Georgia is south of the Polar Front preventing any truly warm season from persisting. The cool maritime climate leads to numerous glaciers covering a majority of the island and quite low equilibrium line altitudes.  Hindle Glacier enters Royal Bay on the east coast of …

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April 5, 2016

Neumayer Glacier, South Georgia, 5.6 km retreat 1999-2016

  Comparison of Neumayer Glacier in 1999 and 2016 Landsat images; red arrow indicates 1999 terminus locations, yellow arrows 2016 terminus locations. Purple arrows indicate upglacier thinning. South Georgia sits amidst the circum Antarctic westerlies and its maritime climate leads to numerous glaciers. This region is famous for the endless march of storms parading around Antarctica . The island is south of the Antarctic Convergence, preventing any truly warm season from persisting. …

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July 21, 2015

Hindle Glacier, Accelerating Retreat, South Georgia

Landsat Image of Ross Hindle Glacier 1989 left and 2015 right.  Something changed. South Georgia sits amidst the furious if not screaming fifties latitude belt, the circum Antarctic westerlies. This region is famous for the endless march of storms parading around Antarctica. The island is south of the Antarctic Convergence, preventing any truly warm season from persisting. The cool maritime climate leads to numerous glaciers covering a majority of the …

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