You are browsing the archive for Landsat climate change glaciers Archives - From a Glacier's Perspective.
April 7, 2022
Novosilski Glacier, South Georgia Retreat Causes Separation
Novosilski Glacier in Landsat images from 2020 and 2022. Note the retreat near Point A in particular. The terminus that extended from Point B-C developed an embayment reaching Point A. 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 larger …
May 13, 2021
Herz Glacier, South Georgia Loses 25% of its Length 1989-2021
Landsat images from 1989-2021 of Herz Glacier. Red arrow is 1989 terminus location, yellow arrows the 2021 terminus location. I=Iris Bay. Herz Glacier is on the southeast coast of South Georgia Island, and is adjacent to the Twitcher Glacier. The terminus change of this tidewater glacier ending in Iris Bay was completed by the British Antarctic Survey for the 1960-2011 period, see map below (Gordon et al, 2008). This map …
April 30, 2021
Shafat Glacier Separation and Stagnation, India
Shafat Glacier in 1997 and 2020 Landsat images. 1-6 are different tributaries with the main glacier being #1. A marks the junction of #1 and #6. Shafat Glacier occupies the northeast flank of Nun Kun Peak in Ladakh India and drains into the Suru valley. The main valley glacier (1) has been fed by a decreasing number of tributaries. Shukla et al (2020) identified an increase in annual temperature has …
January 6, 2021
Is Harlequin Lake, Alaska the fastest Growing Glacier Lake in North America this Century?
Yakutat Glacier, Alaska in 1999 and 2020 Landsat image illustrating expansion of Harlequin Lake by 40.5 km². Yellow line is the 1999 margin, orange line is the 2020 margin, and yellow dots indicate the margin of the lake shoreline. Point A indicates the 1987 terminus location, Point X and Y the 1999 terminus location. Main terminus now extends south near Point C. Northern terminus extends west from Point B. Yakutat …
November 16, 2020
Gangotri Glacier, India Smallest Observed Accumulation Zone in 2020
Gangotri Glacier snowline averaging 5600 m on Oct. 16, 2020 in Landsat image, magenta dots indicate the snowline. Yellow line is the Randolph Glacier Inventory margin. Tributaries: K=Kirti; G=Ghanohim, Su=Sumeru, M=Maiandi, S=Swachhand. Gangotri Glacier, India is in the Bhagirathi River watershed and is the largest glacier in the Garhwal Range of the Himalaya. Gangotri Glacier supports hydropower as its meltwater runoff passes through three hydropower plants generating 1430 Megawatts including …
October 16, 2020
Whiting River Headwater Glacier, British Columbia Separates into Four
Whiting River headwaters glaciers in 1984 and 2020 Landsat images. The red arrows indicate 1984 terminus positions, yellow arrow the 2020 terminus locations, pink arrows locations of glacier detachment and purple dots the snowline. In Northwest British Columbia on the northeast side of the Stikine Icefield the Whiting Rver drains a series of glaciers, many unnamed. Here we are focusing on a pair of glaciers just west of Whiting Lake …
September 14, 2020
Leningradskiy Ice Cap Snowcover Vanishes in 2020 More Thinning, Svernaya Zemlya
Leningradskiy Ice Cap north to south strip in 2000 and 2020 Landsat images illustrating thinning leading to separation of parts of the ice cap at Point 1 and 4 and expansion of bedrock leading to merging bedrock regions at Point 1 and 2. R=snow/firnpack saturated with meltwater and consequent potential refreezing. S=superimposed ice development from surface refreezing. Leningradskiy Ice Cap is oriented east to west across Bolshevik Island in the …
May 5, 2020
Huron Glacier Retreat, Livingston Island, Antarctica 2001-2020
Huron Glacier (H) and Kaliakra Glacier (K) in 2001 and 2020 Landsat images. Extensive retreat at bedrock locations Point A and B with limited retreat at C and D. Livingston Island, Antarctica is part of the South Shetland Island chain and is primarily covered by glaciers. At the eastern end is Huron Glacier. Huron Glacier and the adjacent Kaliakra Glacier are tidewater outlet glaciers terminating in Moon Bay on the …
October 31, 2019
Ongoing Evolution of Fleming Glacier, Antarctica
Fleming Glacier in 2000 and 2019 Landsat images. The 2000 glacier front is marked by red arrows on the north and south margin and red dots along the front. The 2019 glacier front is marked by yellow arrows and yellow dots. During the 1980’s the glaciologic community was focused on increasing our baseline information and monitoring of Antarctic ice shelves. An understanding that ice shelves had a critical role along …
October 1, 2019
Ofhidro Glacier, Chile Retreat 1986-2019
Ofhidro Glacier glacier terminus change an accumulation zone changes from 1986-2019 in Landsat images. Red arrow=1986 terminus, yellow arrow=2019 terminus change, orange arrows expanding bedrock areas and purple dots snowline. Ofhidro Glacier is an outlet glacier on the northwest corner of the Southern Patagonia Icefield (SPI), that has a northern and southern arm terminating in a proglacial lake. Sakakibara and Sugiyama (2014)a examine the terminus change and velocity of SPI …
Dean of Academic Affairs at Nichols College and Professor of Environmental Science at Nichols College in Massachusetts since 1989. Glaciologist directing the North Cascade Glacier Climate Project since 1984. This project monitors the mass balance and behavior of more glaciers than any other in North America.