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February 16, 2023

Rio Atuel Glaciers, Argentina Stripped of Snowcover February 2023

Snowcover loss on Cofto, Fiero and Del Humo Glacier in Sentinel images from January 13 and February 9, 2023, snowpack diminished from 45% to less than 3%. Rio Atuel drains from the high Central Andes in Western Argentina and is a snow and glacier fed system In the headwaters region there are a series of glaciers that have been losing mass and retreating.The most negative mass balance rates from 2000–2018 …

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February 10, 2023

Sollipulli Glacier, Chile Rapid Melt: Fire and Ice February 2023

Sollipulli Glacier, Chile snowcover loss during summer 2023 heat wave in false color Sentinel images from January 20-Feb. 9. Snowcover delcined from 94% to 12% in 20 days. Nevados de Sollipulli is a volcano, is in the central Andes of Chile near the border with Argentina in Parque Nacional Villarica, Chile. The 4 km wide summit caldera at ~2100 m is filled by a glacier.  In 2022 the summer heat …

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February 2, 2023

Burroughs Glacier, Alaska Down to Last 1%

Burroughs Glacier in 1986 and 2022 Landsat images. The red arrow marks the west margin and the yellow arrow the east margin in 1986. Yellow dots mark the outline of the glacier in 2022. Glacier area declined from 12.5  km² to 1.5 km² during this 36 year period. Burroughs Glacier in Glacier Bay National Park, Alaska has been retreating without pause since 1892 when it was part of the Muir …

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January 20, 2023

Grasshopper Glacier, Wyoming Disintegration Underway

Grasshopper Glacier, Connie Glacier, J Glacier and Sourdough Glacier in 1966 map (black outline of glaciers) and in 2022 false color Sentinel image (green dots for glacier outline). The area of Grasshopper Glacier declined from 3.28 km² to 0.81 km². Closeup of area in 2021 and 2022 illustrates the many glacier fragments. Grasshopper Glacier in the Wind River Range of Wyoming has a southern terminus calving into a lake, and …

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January 17, 2023

Marconi Glacier, Chile Fragmentation and Retreat 1986-2022

Marconi Glacier in Landsat images from 1986 and 2022. Red arrows=1986 terminus locations, yellow arrow=2022 terminus location. Tributaries labelled 1-6, bedrock divides A-D and LE=Lago Electrico. In 1986 Lago del Marconi does not exist, by 2022 it is apparent at red arrow. Marconi Glacier, Argentina is one of the more common routes onto the Southern Patagonia Ice Cap (SPI) via Marconi Pass. The glacier is no longer fed by the …

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January 13, 2023

Tenderfoot Glacier, BC Fragmentation Accelerates

The glaciers of Tenderfoot Mountain in 1987 and 2022 Landsat images illustrating the decline in area and fragmentation. Tenderfoot Glacier B-C has lost more than 70% of its area and fragmented. Glacier D and E have experienced recession along their broad lower margins. Glacier F has disappeared Tenderfoot Mountain has an array of glaciers on its flanks that have been rapidly losing area and fragmenting. One of these is Tenderfoot …

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January 2, 2023

King George Bay, Antarctica Glacier Retreat Expands Turret Point Oasis and Releases New Island

King George Bay Glacier retreat releases a new island (Point B) and expanded ice free oases in 1989 and 2022 Landat Images. Point A marks an area where the glacier had reached the coast until after 2005. Point B is the new island, Point C= new oasis, PI=Penguin Island, TP=Turret Point Oasis King George Bay is on the southeast coast of King George Island. This coastline is comprised mainly of …

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December 29, 2022

Loss of Hinman Glacier, North Cascade Range 1958-2022

Himan Glacier in 1958 USGS map and in 2022 Sentinel 2 False Color image. The three ice masses with an area greater than 0.01 km² are indicated. Hinman Glacier had descended the northwest flank of Mount Hinman in the North Cascades, Washington and based on 1958 aerial photographs, Hinman Glacier the USGS had listed this as the largest glacier in the North Cascades south of Glacier Peak with an area …

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December 20, 2022

Lekhziri Glacier, Georgia Retreat Leads to Separation 1996-2022

Lekhrziri Glacier in 1996 and 2022 Landsat images illustrating the retreat and separation of the three tributaries central (Lc), eastern (Le) and western (Lw). Red arrow indicates 1996 terminus and yellow arrows the 2022 terminus locations Lekhrziri Glacier has been the largest glacier in Georgia, and was until 2011 a compound glacier comprised of three tributaries joining a short distance from the terminus (Tielidze et al 2016).  Tielidze et al …

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December 10, 2022

Zemo Svaneti Glaciers, Georgia Not Poised for Survival

Ladevali (L), Tsaigmili (T), Baki (B), and Cherinda Glacier (C) in Sentinel false color image from August 30, 2022. Illustrating that each has 10% or less of the glacier surface retaining snowcover. Several glaciers at the headwaters of the Doira River in the Zemo Svaneti Planned National Park in the Georgian Caucasus have been stripped of snowpack during recent summers. A glacier without a zone a persistent snowcover throughout the …

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