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Temporal fluctuations of siachen glacier velocity: a repeat pass sar interferometry based approach

Sivalingam, S and Murugesan, GP and Dhulipala, K and Kulkarni, AV and Devaraj, S (2021) Temporal fluctuations of siachen glacier velocity: a repeat pass sar interferometry based approach. In: Geocarto International .

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Official URL: https://doi.org/10.1080/10106049.2021.1899306


Glacier velocity, the glacier's health indicator, is an emerging research interest in global warming among the scientific community over the current decade. As per scientific reports, due to their stable and advanced nature, the glaciers of Karakoram are exclusive. The present study focuses on understanding the temporal velocity variability of the Siachen Glacier, Shyok Basin, Karakoram using SAR datasets, in the perspective of the difficulties in estimating the glacier velocity over the inaccessible Karakoram Mountain. For the hydrological year 2017-18, 30 sentinel-1 derived interferograms using the DInSAR technique were analyzed to obtain Line Of Sight velocity. The transient velocity of the glacier reflects separate patterns within the glacier for different seasons due to the thermodynamic and orographic system over the glacier surface. In azimuth and range direction, the projected annual LOS velocity to a two-dimensional surface velocity is estimated to be around 103.8 ± 3.1 m/year. © 2021 Informa UK Limited, trading as Taylor & Francis Group.

Item Type: Journal Article
Publication: Geocarto International
Publisher: Taylor and Francis Ltd.
Additional Information: The copyright for this article belongs to Taylor and Francis Ltd.
Department/Centre: Division of Mechanical Sciences > Divecha Centre for Climate Change
Date Deposited: 09 Jul 2021 06:55
Last Modified: 09 Jul 2021 06:55
URI: http://eprints.iisc.ac.in/id/eprint/68742

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