Professor Chris Stokes' Outputs (159)

Widespread and accelerating glacier retreat on the Lyngen Peninsula, northern Norway, since their ‘Little Ice Age’ maximum (2018)
Journal Article
Stokes, C., Andreassen, L., Champion, M., & Corner, G. (2018). Widespread and accelerating glacier retreat on the Lyngen Peninsula, northern Norway, since their ‘Little Ice Age’ maximum. Journal of Glaciology, 64(243), 100-118. https://doi.org/10.1017/jog.2018.3

The recession of mountain glaciers worldwide is increasing global sea level and, in many regions, human activities will have to adapt to changes in surface hydrology. Thus, it is important to provide up-to-date analyses of glacier change and the fact... Read More about Widespread and accelerating glacier retreat on the Lyngen Peninsula, northern Norway, since their ‘Little Ice Age’ maximum.

The Glacial Geomorphology of the Loch Lomond (Younger Dryas) Stadial in Britain: a review (2018)
Journal Article
Bickerdike, H., Evans, D., Stokes, C., & Ó Cofaigh, C. (2018). The Glacial Geomorphology of the Loch Lomond (Younger Dryas) Stadial in Britain: a review. Journal of Quaternary Science, 33(1), 1-54. https://doi.org/10.1002/jqs.3010

This paper systematically reviews the glacial geomorphological evidence of the Loch Lomond Stadial (LLS; Younger Dryas) glaciation in Britain (12.9–11.7 ka). The geomorphology of sub-regions within Scotland, England and Wales is assessed, providing t... Read More about The Glacial Geomorphology of the Loch Lomond (Younger Dryas) Stadial in Britain: a review.

Geomorphology under ice streams: moving from form to process (2017)
Journal Article
Stokes, C. (2018). Geomorphology under ice streams: moving from form to process. Earth Surface Processes and Landforms, 43(1), 85-123. https://doi.org/10.1002/esp.4259

Ice streams are integral components of an ice sheet's mass balance and directly impact on sea level. Their flow is governed by processes at the ice-bed interface which create landforms that, in turn, modulate ice stream dynamics through their influen... Read More about Geomorphology under ice streams: moving from form to process.

Using the size and position of drumlins to understand how they grow, interact and evolve (2017)
Journal Article
Ely, J., Clark, C., Spagnolo, M., Hughes, A., & Stokes, C. (2018). Using the size and position of drumlins to understand how they grow, interact and evolve. Earth Surface Processes and Landforms, 43(5), 1073-1087. https://doi.org/10.1002/esp.4241

Drumlins are subglacial bedforms streamlined in the direction of ice flow. Common in deglaciated landscapes, they have been widely studied providing rich information on their internal geology, size, shape, and spacing. In contrast with bedform invest... Read More about Using the size and position of drumlins to understand how they grow, interact and evolve.

Spatial organization of drumlins (2017)
Journal Article
Clark, C. D., Ely, J. C., Spagnolo, M., Hahn, U., Hughes, A. L., & Stokes, C. R. (2018). Spatial organization of drumlins. Earth Surface Processes and Landforms, 43(2), 499-513. https://doi.org/10.1002/esp.4192

Ice-sheets flowing over soft sediments produce undulations in the bed, typically of metres in relief, of which drumlins are the most abundant and widely investigated. Consensus regarding their mechanism of formation has yet to be achieved. In this pa... Read More about Spatial organization of drumlins.

The periodic topography of ice stream beds: Insights from the Fourier spectra of mega-scale glacial lineations (2017)
Journal Article
Spagnolo, M., Bartholomaus, T. C., Clark, C. D., Stokes, C. R., Atkinson, N., Dowdeswell, J. A., …Pritchard, H. D. (2017). The periodic topography of ice stream beds: Insights from the Fourier spectra of mega-scale glacial lineations. Journal of Geophysical Research: Earth Surface, 122(7), 1355-1373. https://doi.org/10.1002/2016jf004154

Ice stream bed topography contains key evidence for the ways ice streams interact with, and are potentially controlled by, their beds. Here we present the first application of two-dimensional Fourier analysis to 22 marine and terrestrial topographies... Read More about The periodic topography of ice stream beds: Insights from the Fourier spectra of mega-scale glacial lineations.

Glacial landsystems, retreat dynamics and controls on Loch Lomond Stadial (Younger Dryas) glaciation in Britain (2017)
Journal Article
Bickerdike, H., Ó Cofaigh, C., Evans, D., & Stokes, C. (2018). Glacial landsystems, retreat dynamics and controls on Loch Lomond Stadial (Younger Dryas) glaciation in Britain. Boreas: An International Journal of Quaternary Research, 47(1), 202-224. https://doi.org/10.1111/bor.12259

Glacial geomorphology relating to the Loch Lomond Stadial (Younger Dryas) in Britain is used to construct five glacial landsystem models. These landsystems lie on a continuum of increasing ice thickness and decreasing topographic control and typify t... Read More about Glacial landsystems, retreat dynamics and controls on Loch Lomond Stadial (Younger Dryas) glaciation in Britain.

Deglaciation of the Laurentide Ice Sheet from the Last Glacial Maximum (2017)
Journal Article
Stokes, C. (2017). Deglaciation of the Laurentide Ice Sheet from the Last Glacial Maximum. Cuadernos de Investigación Geográfica, 43(2), 377-428. https://doi.org/10.18172/cig.3237

The last deglaciation of the Laurentide Ice Sheet (LIS) was associated with major reorganisations in the ocean-climate system and its retreat also represents a valuable analogue for understanding the rates and mechanisms of ice sheet collapse. This p... Read More about Deglaciation of the Laurentide Ice Sheet from the Last Glacial Maximum.

Sub-decadal variations in outlet glacier terminus positions in Victoria Land, Oates Land and George V Land, East Antarctica (1972-2013) (2017)
Journal Article
Lovell, A., Stokes, C., & Jamieson, S. (2017). Sub-decadal variations in outlet glacier terminus positions in Victoria Land, Oates Land and George V Land, East Antarctica (1972-2013). Antarctic Science, 29(5), 468-483. https://doi.org/10.1017/s0954102017000074

Recent work has highlighted the sensitivity of marine-terminating glaciers to decadal-scale changes in the ocean–climate system in parts of East Antarctica. However, compared to Greenland, West Antarctica and the Antarctic Peninsula, little is known... Read More about Sub-decadal variations in outlet glacier terminus positions in Victoria Land, Oates Land and George V Land, East Antarctica (1972-2013).

Threefold increase in marine-terminating outlet glacier retreat rates across the Atlantic Arctic: 1992-2010 (2017)
Journal Article
Carr, R., Stokes, C., & Vieli, A. (2017). Threefold increase in marine-terminating outlet glacier retreat rates across the Atlantic Arctic: 1992-2010. Journal of Glaciology, 58(4), 72-91. https://doi.org/10.1017/aog.2017.3

Accelerated discharge through marine-terminating outlet glaciers has been a key component of the rapid mass loss from Arctic glaciers since the 1990s. However, glacier retreat and its climatic controls have not been assessed at the pan-Arctic scale.... Read More about Threefold increase in marine-terminating outlet glacier retreat rates across the Atlantic Arctic: 1992-2010.

Simultaneous disintegration of outlet glaciers in Porpoise Bay (Wilkes Land), East Antarctica, driven by sea ice break-up (2017)
Journal Article
Miles, B., Stokes, C., & Jamieson, S. (2017). Simultaneous disintegration of outlet glaciers in Porpoise Bay (Wilkes Land), East Antarctica, driven by sea ice break-up. The Cryosphere, 11, 427-442. https://doi.org/10.5194/tc-11-427-2017

The floating ice shelves and glacier tongues which fringe the Antarctic continent are important because they help buttress ice flow from the ice sheet interior. Dynamic feedbacks associated with glacier calving have the potential to reduce buttressin... Read More about Simultaneous disintegration of outlet glaciers in Porpoise Bay (Wilkes Land), East Antarctica, driven by sea ice break-up.

A review of recent changes in major marine-terminating outlet glaciers in northern Greenland (2017)
Journal Article
Hill, E., Carr, R., & Stokes, C. (2017). A review of recent changes in major marine-terminating outlet glaciers in northern Greenland. Frontiers in Earth Science, 4, Article 11. https://doi.org/10.3389/feart.2016.00111

Over the past two decades, mass loss from the Greenland Ice Sheet (GrIS) has accelerated and contributed to global sea level rise. This has been partly attributed to dynamic changes in marine terminating outlet glaciers. Outlet glaciers at the northe... Read More about A review of recent changes in major marine-terminating outlet glaciers in northern Greenland.

Reconstructing the retreat dynamics of the Bjørnøyrenna Ice Stream based on new 3D seismic geomorphology from the central Barents Sea (2016)
Journal Article
Piasecka, E., Winsborrow, M., Andreassen, K., & Stokes, C. (2016). Reconstructing the retreat dynamics of the Bjørnøyrenna Ice Stream based on new 3D seismic geomorphology from the central Barents Sea. Quaternary Science Reviews, 151, 212-227. https://doi.org/10.1016/j.quascirev.2016.09.003

The stability of contemporary ice sheets is influenced by the discharge from ice streams - corridors of fast-flowing ice bounded by ice flowing an order of magnitude slower. Reconstructions of palaeo-ice stream dynamics contribute to our understandin... Read More about Reconstructing the retreat dynamics of the Bjørnøyrenna Ice Stream based on new 3D seismic geomorphology from the central Barents Sea.

Dynamics of former ice lobes of the southernmost Patagonian Ice Sheet based on a glacial landsystems approach (2016)
Journal Article
Darvill, C., Stokes, C., Bentley, M., Evans, D., & Lovell, H. (2016). Dynamics of former ice lobes of the southernmost Patagonian Ice Sheet based on a glacial landsystems approach. Journal of Quaternary Science, 32(6), 857-876. https://doi.org/10.1002/jqs.2890

Reconstructions of former ice masses from glacial geomorphology help to constrain the nature and timing of glaciation in relation to climatic forcing. This paper presents a new reconstruction of the glacial history of five ice lobes in southernmost S... Read More about Dynamics of former ice lobes of the southernmost Patagonian Ice Sheet based on a glacial landsystems approach.

Seasonal evolution of supraglacial lakes on an East Antarctic outlet glacier (2016)
Journal Article
Langley, E., Leeson, A., Stokes, C., & Jamieson, S. (2016). Seasonal evolution of supraglacial lakes on an East Antarctic outlet glacier. Geophysical Research Letters, 43(16), 8563-8571. https://doi.org/10.1002/2016gl069511

Supraglacial lakes are known to influence ice melt and ice flow on the Greenland ice sheet and potentially cause ice shelf disintegration on the Antarctic Peninsula. In East Antarctica, however, our understanding of their behavior and impact is more... Read More about Seasonal evolution of supraglacial lakes on an East Antarctic outlet glacier.

The timing and cause of glacial advances in the southern mid-latitudes during the last glacial cycle based on a synthesis of exposure ages from Patagonia and New Zealand (2016)
Journal Article
Darvill, C., Bentley, M., Stokes, C., & Shulmeister, J. (2016). The timing and cause of glacial advances in the southern mid-latitudes during the last glacial cycle based on a synthesis of exposure ages from Patagonia and New Zealand. Quaternary Science Reviews, 149, 200-214. https://doi.org/10.1016/j.quascirev.2016.07.024

Glacier advances in the southern mid-latitudes during the last glacial cycle (ca. 110–10 ka) were controlled by changes in temperature and precipitation linked to several important ocean-climate systems. As such, the timing of glacial advance and ret... Read More about The timing and cause of glacial advances in the southern mid-latitudes during the last glacial cycle based on a synthesis of exposure ages from Patagonia and New Zealand.

Subglacial bedform morphology controlled by ice speed and sediment thickness (2016)
Journal Article
Barchyn, T., Dowling, T., Stokes, C., & Hugenholtz, C. (2016). Subglacial bedform morphology controlled by ice speed and sediment thickness. Geophysical Research Letters, 43(14), 7572-7580. https://doi.org/10.1002/2016gl069558

Subglacial bedforms (drumlins, ribbed moraines, mega-scale glacial lineations) are enigmatic repetitive flow-parallel and flow-transverse landforms common in glaciated landscapes. Their evolution and morphology are a potentially powerful constraint f... Read More about Subglacial bedform morphology controlled by ice speed and sediment thickness.

Exploring Explanations of Subglacial Bedform Sizes Using Statistical Models (2016)
Journal Article
Hillier, J., Kougioumtzoglou, I., Stokes, C., Smith, M., Clark, C., & Spagnolo, M. (2016). Exploring Explanations of Subglacial Bedform Sizes Using Statistical Models. PLoS ONE, 11(7), Article e0159489. https://doi.org/10.1371/journal.pone.0159489

Sediments beneath modern ice sheets exert a key control on their flow, but are largely inaccessible except through geophysics or boreholes. In contrast, palaeo-ice sheet beds are accessible, and typically characterised by numerous bedforms. However,... Read More about Exploring Explanations of Subglacial Bedform Sizes Using Statistical Models.

Ribbed bedforms on palaeo-ice stream beds resemble regular patterns of basal shear stress (‘traction ribs’) inferred from modern ice streams (2016)
Journal Article
Stokes, C., Margold, M., & Creyts, T. (2016). Ribbed bedforms on palaeo-ice stream beds resemble regular patterns of basal shear stress (‘traction ribs’) inferred from modern ice streams. Journal of Glaciology, 62(234), 696-713. https://doi.org/10.1017/jog.2016.63

Rapidly-flowing ice streams are an important mechanism through which ice sheets lose mass, and much work has been focussed on elucidating the processes that increase or decrease their velocity. Recent work using standard inverse methods has inferred... Read More about Ribbed bedforms on palaeo-ice stream beds resemble regular patterns of basal shear stress (‘traction ribs’) inferred from modern ice streams.

Pan–ice-sheet glacier terminus change in East Antarctica reveals sensitivity of Wilkes Land to sea-ice changes (2016)
Journal Article
Miles, B., Stokes, C., & Jamieson, S. (2016). Pan–ice-sheet glacier terminus change in East Antarctica reveals sensitivity of Wilkes Land to sea-ice changes. Science Advances, 2(5), Article e1501350. https://doi.org/10.1126/sciadv.1501350

The dynamics of ocean-terminating outlet glaciers are an important component of ice-sheet mass balance. Using satellite imagery for the past 40 years, we compile an approximately decadal record of outlet-glacier terminus position change around the en... Read More about Pan–ice-sheet glacier terminus change in East Antarctica reveals sensitivity of Wilkes Land to sea-ice changes.