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You are browsing the archive for svalbard glacier retreat Archives - From a Glacier's Perspective.

June 20, 2019

Arnesenbreen, Svalbard Retreat, Separation and Surge

Arnesenbreen (A) and Bereznikovbreen (B) in 1990 and 2018 Landsat images.  Red arrow is 1990 terminus location, yellow arrow the 2018 terminus location and purple dots the transient snowline. Arnesenbreen and Bereznikovbreen are glaciers in Svalbard on the east coast of Spitsbergen that in 1990 had a joint calving front near Kapp Murchison. Blaszczyk et al’s (2009) analysis identified 163 Svalbard glaciers that are tidewater with the total length calving …

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December 22, 2018

Gandbreen Retreat and Lake Expansion, Svalbard

Gandbreen in 1990 and 2018 Landsat images.  The red arrow indicates 1990 terminus location, yellow arrows the 2018 terminus location, and purple arrow a location where bedrock emerges.  Gandbreen is a western outlet of the Edgeøya Ice Cap, Svalbard.  This is a surging glacier, that has not had an observed surge.  Deltabreen a larger adjacent glacier to the south has no observed either.  Strozzi et al (2017) noted that the western outlet …

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March 9, 2018

Aavatsmarkbreen, Svalbard More Calving & Less Accumulation a Deadly Recipe

Aavatsmarkbreen, Svalbard in 1987 and 2017 Landsat images. Red arrow 1987 terminus, yellow arrow 2017 terminus  and purple dots the snowline.  Aavatsmarkbreen is a tidewater glacier on the west side of Svalbard.  The glacier is the fjord just south of Kongsfjord and Kronebreen Glacier.   Nuth et al (2013) determined that the glacier area over the entire archipelago has decreased by an average of 80 km2 per year over the past 30 years, a …

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November 9, 2017

Storbreen, Svalbard Major Retreat Opens New Fjord

Storbreen, Svalbard in 1990 and 2017 Landsat images.  The red arrows indicate 1990 terminus , yellow arrow the 2017 terminus and purple dots the snowline in 1990.  A recent snow storm has obscured the actual snowline in Aug 2017.  Storbreen Glacier (ST) terminates on the north side of Hornsund in southern Svalbard.  From 1990 to 2017 Storbreen has experienced a substantial retreat opening a new fjord and separating from Hornbreen …

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June 29, 2017

Monacobreen Separates from Seligerbreen, Svalbard

Monacobreen Separation from Seligerbreen in 1999 and 2016 Landsat images.  The red arrow is the 1999 terminus location and yellow arrow the 2016 terminus location.  Moancobreen  is a glacier that terminates at the head of Liefdefjorden , a branch of Woodfjorden in Spitsbergen, Svalbard. NW Spitsbergen is a region that has experienced extensive long term glacier thinning from 1965 to 2007 (Nuth et al, 2010). Svalbard is host to 163 tidewater glaciers with …

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May 22, 2017

Besselsbreen Retreat Glacier Wide Thinning , Svalbard

Besselsbreen (B) and Augnebreen (A) comparison in a 1990 and 2016 Landsat image. Red arrows indicate terminus position in 1990, yellow arrow indicates terminus in 2016, purple arrows indicate locations of upglacier thinning from 1990 to 2016 and the yellow line indicates the width of the tongue on the eastern side of Besselsbreen to the medial moraine with Augnebreen Besselsbreen Glacier flows north to  tidewater from the Barents Icecap on Barentsoya …

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May 18, 2017

Hinlopenbreen, Svalbard 7 km Retreat 1990-2016.

Hinlopenbreen, Svalbard in 1990 and 2016 Landsat imagery.  red arrow is 1990 terminus, yellow arrow is 2016 terminus,and Oslobreen is noted by Point O Hinlopenbreen is a large tidewater glacier in northern Svalbard.  The glacier has a periodic history of surging, with the last surge occurring in 1970 (Nuth et al 2010). The glacier has the largest negative balance of -0.58 m/year from 1965-2005 (Nuth et al 2010).   The …

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December 20, 2016

Has Fridtjovbreen, Svalbard Surged for the last time?

Fidtjovbreen, Svalbard comparison in 1998 and 2016 Landsat imagery.  Red arrow marks the 1998 terminus, yellow arrow the 2016 terminus and purple dots mark the snowline.  The Yellow numbers indicate area of separation between glaciers. Pink arrows indicate areas on the upper glacier where thinning is exposing more bedrock. F=Fridtjovbreen, S=Sagabreen, G=Gronfjordbreen Fridtjovbreen, Svalbard, is a tidewater-terminating glacier that started a 7-year surge advance during the 1990’s. This central Spitsbergen …

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May 16, 2016

Frostisen Ice Cap Svalbard, Ongoing Defrosting 1990-2015

Frostisen Ice Cap in 1990 and 2015 Landsat images.  Red arrow is the 1990 terminus location, yellow arrow the 2015 terminus location.  Purple arrows indicate thinning on the upper margin of the ice cap, and the letter A indicates an outcrop of rock emerging through the ice. Frostisen is an ice cap in Dickson Land of Central Svalbard.  The World Glacier inventory of 1960 listed the area of the ice cap …

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April 20, 2016

Belopolskijbreen Retreat Generates Terminus Split, Svalbard

Belopolskijbreen comparison in 1990 and 2014 Landsat images.  Red arrow is the 1990 terminus location, yellow the 2014 extent of the a bedrock ridge separating the two lobes of the glacier, and purple arrow an area of thinning at the head of the glacier.  Most of the attention on Svalbard glaciers goes to the larger tidewater glaciers, which collectively having been losing volume rapidly.  Belopolskijbreen in Sorkappland near the southern tip …

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