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

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 …

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February 9, 2021

Potential Preconditioning for Landslide High 2020 Glacier Snow Lines in Rishi Ganga Basin, India 2020

The catastrophic landslide and resulting flood in the Rishi Ganga basin Uttarakhand, India on Feb. 7 was triggered on a formerly glaciated slope at 5600 m detailed in a blog post by Petley (2021). This event occurred after a post-monsoon season featuring high snowlines on adjacent glaciers and the warmest January in the last six decades  in Uttarakhand, India.   Glacier snowlines are a proxy for the elevation where melting predominates, were these preconditioning factors? Here we examine the elevation of the glacier snowlines in 2020.

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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 …

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January 6, 2020

Sona and Meola Glacier Retreat Dhauliganga Basin, India

Sona Glacier (SG) and Meola Glacier (MG) in 1993 and 2019 Landsat images. Red arrow indicates 1993 terminus location of Sona Glacier and Yellow arrow the 2019 terminus location.  The orange arrow marks the 1993 downglacier limit of clean ice, below is debris covered ice.  Point A marks a small expanding rock outcrop amidst glacier. Point B marks north lateral moraine exposure of Meola Glacier. The Dhauliganga River is in …

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June 11, 2018

Kokthang Glacier Retreat, Sikkim Himalaya, India Doubles Lake Size

Kokthang Glacier in 1988 and Feb. 2018 Landsat imagery. The red arrow indicates the 1988 terminus and the yellow arrow the upstream end of the lake beyond which the glacier has retreated in 2018.  The purple dots indicate the snowline.  Kokthang Glacier drains south from the Kokthang Peak a satellite peak on the south side of the Kanchenjunga Massif, Sikkim in India, the next valley south of East Rathong Glacier. …

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May 2, 2017

Gurudongmar Glacier Retreat and Teesta River Hydropower, Sikkim

Gurudongmar Glacier draining ton Gurudongmar Lake B in Landsat images from 1996 and 1998 and Sentinel image from 2016.Red arrow is the 1996 terminus and yellow arrow the 2016 terminus.Point M indicates a terminal moraine belt, impounding the lake Teesta Urja Limited is this month finishing the 1200 MW Teesta Stage III hydro power project on. The project is a run of the river scheme in the North Sikkim district. The …

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