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Showing 1–9 of 9 results
Advanced filters: Author: Shfaqat Abbas Khan Clear advanced filters

  • Analysis of global navigation satellite system observations and satellite data shows that frontal changes in 2012 of the North-East Greenland Ice Stream led to speed-up and thinning at least 200 km inland.

    • Shfaqat A. Khan
    • Youngmin Choi
    • Anders A. Bjørk
    ResearchOpen Access
    Nature
    Volume: 611, P: 727-732

  • The Greenland ice sheet is a large contributor to sea-level rise primarily because of the increased speed of its glaciers in the southeast and northwest. This study looks at a previously stable ice stream in northeast Greenland, and finds that it is thinning due to regional warming. This region drains 16% of the ice sheet but has not figured in model projections of sea-level rise, indicating an under-estimation of Greenland contributions.

    • Shfaqat A. Khan
    • Kurt H. Kjær
    • Ioana S. Muresan
    Research
    Nature Climate Change
    Volume: 4, P: 292-299

  • The Greenland Ice Sheet is the largest land ice contributor to sea level rise and understanding the long-term glacier response to external forcing is key to improved projections. Here the authors show Greenland’s three largest outlet glaciers will likely exceed current worst-case scenario

    • Shfaqat A. Khan
    • Anders A. Bjørk
    • Toni Schenk
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • Analysis of bedrock elastic deformation using high-resolution observations from 22 Greenland GNSS Network stations shows that the Greenland ice sheet buffers enough summer meltwater englacially to cause subsidence of about 5 mm during the melt season.

    • Jiangjun Ran
    • Pavel Ditmar
    • Tonie van Dam
    ResearchOpen Access
    Nature
    Volume: 635, P: 108-113

  • This study explores the 90-year collapse of the Midgaard Glacier, one of the greatest mass losers in the entire Greenland ice sheet. The study reveals complex ice flow piracy and demonstrates the impact of Midgaard’s collapse on the dynamics of glaciers at a regional scale.

    • Flora Huiban
    • Romain Millan
    • Anders Anker Bjørk
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • An intercomparison exercise reassesses mass loss from glaciers worldwide based on the main in situ and satellite methods from 2000 to 2023; the results are consistent with previous assessments and provide a refined and comprehensive observational baseline for future impact and modelling studies.

    • Michael Zemp
    • Livia Jakob
    • Whyjay Zheng
    ResearchOpen Access
    Nature
    Volume: 639, P: 382-388

  • Climate change has the potential to erode coastlines, but a rediscovered archive of aerial photographs from the Second World War shows that in southern Greenland, deltas have recently extended seaward.

    • Mette Bendixen
    • Lars Lønsmann Iversen
    • Aart Kroon
    Research
    Nature
    Volume: 550, P: 101-104

  • Iceflow acceleration in Greenland has propagated deep inland, even outside fast-flowing channels, in the region upstream of Jakobshavn Isbrae, according to in-situ measurements at eleven locations with measurements going back to 1959.

    • Anja Løkkegaard
    • William Colgan
    • Shfaqat Abbas Khan
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 5, P: 1-12

  • Ice flow dynamics in Greenland’s outlet glaciers are influenced by elastic deformation, both in the area of tidal influence up to 14 km inland from the grounding line and further upstream, suggest analyses of GPS observations and numerical simulations.

    • Julia Christmann
    • Veit Helm
    • Angelika Humbert
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 2, P: 1-12