Show simple item record Quincey, D. J. Braun, M. Glasser, Neil F. Bishop, M. P. Hewitt, K. Luckman, A. 2011-10-25T11:57:31Z 2011-10-25T11:57:31Z 2011-09-24
dc.identifier.citation Quincey , D J , Braun , M , Glasser , N F , Bishop , M P , Hewitt , K & Luckman , A 2011 , ' Karakoram glacier surge dynamics ' Geophysical Research Letters , vol 38 , no. 18 . , 10.1029/2011GL049004 en
dc.identifier.issn 1944-8007
dc.identifier.other PURE: 171967
dc.identifier.other PURE UUID: 35a62334-2b61-4348-8d5e-d2ad8707fb53
dc.identifier.other dspace: 2160/7621
dc.description Quincey, D. J., Braun, M. Glasser, N. F., Bishop, M. P., Hewitt, K., Luckman, A. (2011). Geophysical Research Letters, 38, Article Number: L18504. en
dc.description.abstract We examine the surges of five glaciers in the Pakistan Karakoram using satellite remote sensing to investigate the dynamic nature of surges in this region and how they may be affected by climate. Surface velocity maps derived by feature-tracking quantify the surge development spatially in relation to the terminus position, and temporally with reference to seasonal weather. We find that the season of surge initiation varies, that each surge develops gradually over several years, and that maximum velocities are recorded within the lowermost 10 km of the glacier. Measured peak surge velocities are between one and two orders of magnitude greater than during quiescence. We also note that two of the glaciers are of a type not previously reported to surge. The evidence points towards recent Karakoram surges being controlled by thermal rather than hydrological conditions, coinciding with high-altitude warming from long-term precipitation and accumulation patterns. Citation: Quincey, D. J., M. Braun, N. F. Glasser, M. P. Bishop, K. Hewitt, and A. Luckman (2011), Karakoram glacier surge dynamics, Geophys. Res. Lett., 38, L18504, doi: 10.1029/2011GL049004 en
dc.language.iso eng
dc.relation.ispartof Geophysical Research Letters en
dc.subject Karakoram en
dc.subject feature tracking en
dc.subject glacier surge en
dc.subject remote sensing en
dc.subject thermal regime en
dc.subject velocity en
dc.title Karakoram glacier surge dynamics en
dc.type /dk/atira/pure/researchoutput/researchoutputtypes/contributiontojournal/article en
dc.description.version publishersversion en
dc.contributor.institution Institute of Geography & Earth Sciences en
dc.contributor.institution Centre for Glaciology en
dc.description.status Peer reviewed en

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