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dc.contributor.authorPhillips, Emrysen_UK
dc.contributor.authorFinlayson, Andrewen_UK
dc.contributor.authorBradwell, Tomen_UK
dc.contributor.authorEverest, Jeremy Den_UK
dc.contributor.authorJones, Leeen_UK
dc.description.abstractOver the past two decades Iceland's glaciers have been undergoing a phase of accelerated retreat set against a backdrop of warmer summers and milder winters. This paper demonstrates how the dynamics of a steep outlet glacier in maritime SE Iceland have changed as it adjusts to recent significant changes in mass balance. Geomorphological evidence from Falljökull, a high-mass turnover temperate glacier, clearly shows that between 1990 and 2004 the ice front was undergoing active retreat resulting in seasonal oscillations of its margin. However, in 2004–2006 this glacier crossed an important dynamic threshold and effectively reduced its active length by abandoning its lower reaches to passive retreat processes. A combination of ice surface structural measurements with radar, lidar, and differential Global Navigation Satellite Systems data are used to show that the upper active section of Falljökull is still flowing forward but has become detached from and is being thrust over its stagnant lower section. The reduction in the active length of Falljökull over the last several years has allowed it to rapidly reequilibrate to regional snowline rise in SE Iceland over the past two decades. It is possible that other steep, mountain glaciers around the world may respond in a similar way to significant changes in their mass balance, rapidly adjusting their active length in response to recent atmospheric warming.en_UK
dc.relationPhillips E, Finlayson A, Bradwell T, Everest JD & Jones L (2014) Structural evolution triggers a dynamic reduction in active glacier length during rapid retreat: Evidence from Falljökull, SE iceland. Journal of Geophysical Research: Earth Surface, 119 (10), pp. 2194-2208.
dc.rights©2014. The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.en_UK
dc.subjectglacier retreaten_UK
dc.subjectreduction in active glacier lengthen_UK
dc.subjectstructural evolutionen_UK
dc.subjectSE Icelanden_UK
dc.titleStructural evolution triggers a dynamic reduction in active glacier length during rapid retreat: Evidence from Falljökull, SE icelanden_UK
dc.typeJournal Articleen_UK
dc.citation.jtitleJournal of Geophysical Research: Earth Surfaceen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationBritish Geological Surveyen_UK
dc.contributor.affiliationBritish Geological Surveyen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationBritish Geological Surveyen_UK
dc.contributor.affiliationBritish Geological Surveyen_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorPhillips, Emrys|en_UK
local.rioxx.authorFinlayson, Andrew|en_UK
local.rioxx.authorBradwell, Tom|0000-0003-0947-3309en_UK
local.rioxx.authorEverest, Jeremy D|en_UK
local.rioxx.authorJones, Lee|en_UK
local.rioxx.projectInternal Project|University of Stirling|
Appears in Collections:Biological and Environmental Sciences Journal Articles

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