Professor Chris Stokes' Outputs (159)

Subglacial processes on an Antarctic ice stream bed. 1: Sediment transport and bedform genesis inferred from marine geophysical data (2016)
Journal Article
Livingstone, S., Stokes, C., O Cofaigh, C., Hillenbrand, C., Vieli, A., Jamieson, S., …Dowdeswell, J. (2016). Subglacial processes on an Antarctic ice stream bed. 1: Sediment transport and bedform genesis inferred from marine geophysical data. Journal of Glaciology, 62(232), 270-284. https://doi.org/10.1017/jog.2016.18

The spatial pattern and morphometry of bedforms and their relationship to sediment thickness have been analysed in the Marguerite Bay Palaeo-ice stream Trough, western Antarctic Peninsula. Over 17 000 glacial landforms were measured from geophysical... Read More about Subglacial processes on an Antarctic ice stream bed. 1: Sediment transport and bedform genesis inferred from marine geophysical data.

Subglacial processes on an Antarctic ice stream bed. 2: Can modelled ice dynamics explain the morphology of mega-scale glacial lineations? (2016)
Journal Article
Jamieson, S., Stokes, C., Livingstone, S., Vieli, A., Ò Cofaigh, C., Hillenbrand, C., & Spagnolo, M. (2016). Subglacial processes on an Antarctic ice stream bed. 2: Can modelled ice dynamics explain the morphology of mega-scale glacial lineations?. Journal of Glaciology, 62(232), 285-298. https://doi.org/10.1017/jog.2016.19

Mega-scale glacial lineations (MSGLs) are highly elongate subglacial bedforms associated with ice streaming. However, the link between MSGLs and rapid ice flow is largely qualitative, and there have been few attempts to quantitatively link their form... Read More about Subglacial processes on an Antarctic ice stream bed. 2: Can modelled ice dynamics explain the morphology of mega-scale glacial lineations?.

Ice stream motion facilitated by a shallow-deforming and accreting bed (2016)
Journal Article
Spagnolo, M., Phillips, E., Piotrowski, J., Rea, B., Clark, C., Stokes, C., …Szuman, I. (2016). Ice stream motion facilitated by a shallow-deforming and accreting bed. Nature Communications, 7, Article 10723. https://doi.org/10.1038/ncomms10723

Ice streams drain large portions of ice sheets and play a fundamental role in governing their response to atmospheric and oceanic forcing, with implications for sea-level change. The mechanisms that generate ice stream flow remain elusive. Basal slid... Read More about Ice stream motion facilitated by a shallow-deforming and accreting bed.

Ice stream activity scaled to ice sheet volume during Laurentide Ice Sheet deglaciation (2016)
Journal Article
Stokes, C., Margold, M., Clark, C., & Tarasov, L. (2016). Ice stream activity scaled to ice sheet volume during Laurentide Ice Sheet deglaciation. Nature, 530(7590), 322-326. https://doi.org/10.1038/nature16947

The contribution of the Greenland and West Antarctic ice sheets to sea level has increased in recent decades, largely owing to the thinning and retreat of outlet glaciers and ice streams1, 2, 3, 4. This dynamic loss is a serious concern, with some mo... Read More about Ice stream activity scaled to ice sheet volume during Laurentide Ice Sheet deglaciation.

The glacial geomorphology of the Loch Lomond Stadial in Britain: a map and geographic information system resource of published evidence (2016)
Journal Article
Bickerdike, H., Evans, D., Ó Cofaigh, C., & Stokes, C. (2016). The glacial geomorphology of the Loch Lomond Stadial in Britain: a map and geographic information system resource of published evidence. Journal of Maps, 12(5), 1178-1186. https://doi.org/10.1080/17445647.2016.1145149

The Loch Lomond Stadial (LLS) was an abrupt period of renewed cooling between 12.9 and 11.7 ka and has long been associated with the regrowth of glaciers in much of upland Britain. Mapping the glacial landforms associated with this period has been un... Read More about The glacial geomorphology of the Loch Lomond Stadial in Britain: a map and geographic information system resource of published evidence.

Landform assemblages and sedimentary processes along the Norwegian Channel Ice Stream (2016)
Journal Article
Otteson, D., Stokes, C., Bøe, R., Rise, L., Longva, O., Thorsnes, T., …Hestvik, O. (2016). Landform assemblages and sedimentary processes along the Norwegian Channel Ice Stream. Sedimentary Geology, 338, 115-137. https://doi.org/10.1016/j.sedgeo.2016.01.024

Several regional and detailed bathymetric datasets together with 2D and 3D seismic data are compiled to investigate the landform assemblages and sedimentary processes along the former path of the Norwegian Channel Ice Stream (NCIS). At the broad scal... Read More about Landform assemblages and sedimentary processes along the Norwegian Channel Ice Stream.

Do subglacial bedforms comprise a size and shape continuum? (2016)
Journal Article
Ely, J., Clark, C., Spagnolo, M., Stokes, C., Greenwood, S., Hughese, A., …Hessg, D. (2016). Do subglacial bedforms comprise a size and shape continuum?. Geomorphology, 257, 108-119. https://doi.org/10.1016/j.geomorph.2016.01.001

Understanding the evolution of the ice-bed interface is fundamentally important for gaining insight into the dynamics of ice masses and how subglacial landforms are created. However, the formation of the suite of landforms generated at this boundary... Read More about Do subglacial bedforms comprise a size and shape continuum?.

Extensive MIS 3 glaciation in southernmost Patagonia revealed by cosmogenic nuclide dating of outwash sediments (2015)
Journal Article
Darvill, C., Bentley, M., Stokes, C., Hein, A., & Rodés, A. (2015). Extensive MIS 3 glaciation in southernmost Patagonia revealed by cosmogenic nuclide dating of outwash sediments. Earth and Planetary Science Letters, 429, 157-169. https://doi.org/10.1016/j.epsl.2015.07.030

The timing and extent of former glacial advances can demonstrate leads and lags during 2 periods of climatic change and their forcing, but this requires robust glacial chronologies. In 3 parts of southernmost Patagonia, dating pre-global Last Glacial... Read More about Extensive MIS 3 glaciation in southernmost Patagonia revealed by cosmogenic nuclide dating of outwash sediments.

The surficial and subglacial geomorphology of western Dronning Maud Land, Antarctica (2015)
Journal Article
Chang, M., Jamieson, S., Bentley, M., & Stokes, C. (2016). The surficial and subglacial geomorphology of western Dronning Maud Land, Antarctica. Journal of Maps, 12(5), 892-903. https://doi.org/10.1080/17445647.2015.1097289

The surficial and subglacial geomorphology of ∼220,000 km2 of western Dronning Maud Land (WDML), Antarctica, is presented at a scale of 1:750,000. The mapped area includes the Stancomb-Wills Glacier north of 75°25′S and follows the grounded ice margi... Read More about The surficial and subglacial geomorphology of western Dronning Maud Land, Antarctica.

An ice-sheet scale comparison of eskers with modelled subglacial drainage routes (2015)
Journal Article
Livingstone, S., Storrar, R., Hillier, J., Stokes, C., Clark, C., & Tarasov, L. (2015). An ice-sheet scale comparison of eskers with modelled subglacial drainage routes. Geomorphology, 246, 104-112. https://doi.org/10.1016/j.geomorph.2015.06.016

Eskers record the signature of channelisedmeltwater drainage during deglaciation providing vital information on the nature and evolution of subglacial drainage. In this paper, we compare the spatial pattern of eskers beneath the former Laurentide Ice... Read More about An ice-sheet scale comparison of eskers with modelled subglacial drainage routes.

On the Reconstruction of Palaeo-Ice Sheets: Recent Advances and Future Challenges (2015)
Journal Article
Stokes, C., Tarasov, L., Blomdin, R., Cronin, T., Fisher, T., Gyllencreutz, R., …Teller, J. (2015). On the Reconstruction of Palaeo-Ice Sheets: Recent Advances and Future Challenges. Quaternary Science Reviews, 125, 15-49. https://doi.org/10.1016/j.quascirev.2015.07.016

Reconstructing the growth and decay of palaeo-ice sheets is critical to understanding mechanisms of global climate change and associated sea-level fluctuations in the past, present and future. The significance of palaeo-ice sheets is further underlin... Read More about On the Reconstruction of Palaeo-Ice Sheets: Recent Advances and Future Challenges.

Controls on the location, morphology and evolution of complex esker systems at decadal timescales, Breiðamerkurjökull, southeast Iceland (2015)
Journal Article
Storrar, R., Evans, D., Stokes, C., & Ewertowski, M. (2015). Controls on the location, morphology and evolution of complex esker systems at decadal timescales, Breiðamerkurjökull, southeast Iceland. Earth Surface Processes and Landforms, 40(11), 1421-1438. https://doi.org/10.1002/esp.3725

This paper uses detailed mapping of eskers to address three questions which are important for reconstructing meltwater behaviour beneath contemporary and ancient ice masses: ‘What controls the morphology of simple and complex esker systems?’, ‘How do... Read More about Controls on the location, morphology and evolution of complex esker systems at decadal timescales, Breiðamerkurjökull, southeast Iceland.

Ice streams in the Laurentide Ice Sheet: identification, characteristics and comparison to modern ice sheets (2015)
Journal Article
Margold, M., Stokes, C., & Clark, C. (2015). Ice streams in the Laurentide Ice Sheet: identification, characteristics and comparison to modern ice sheets. Earth-Science Reviews, 143, 117-146. https://doi.org/10.1016/j.earscirev.2015.01.011

This paper presents a comprehensive review and synthesis of ice streams in the Laurentide Ice Sheet (LIS) based on a new mapping inventory that includes previously hypothesised ice streams and includes a concerted effort to search for others from acr... Read More about Ice streams in the Laurentide Ice Sheet: identification, characteristics and comparison to modern ice sheets.

Basal topographic controls on rapid retreat of Humboldt Glacier, northern Greenland (2015)
Journal Article
Carr, J., Vieli, A., Stokes, C., Jamieson, S., Palmer, S., Christoffersen, P., …Young, D. (2015). Basal topographic controls on rapid retreat of Humboldt Glacier, northern Greenland. Journal of Glaciology, 61(225), 137-150. https://doi.org/10.3189/2015jog14j128

Discharge from marine-terminating outlet glaciers accounts for up to half the recent mass loss from the Greenland ice sheet, yet the causal factors are not fully understood. Here we assess the factors controlling the behaviour of Humboldt Glacier (HG... Read More about Basal topographic controls on rapid retreat of Humboldt Glacier, northern Greenland.

Geomorphology and weathering characteristics of erratic boulder trains on Tierra del Fuego, southernmost South America: implications for dating of glacial deposits (2015)
Journal Article
Darvill, C. M., Bentley, M. J., & Stokes, C. R. (2015). Geomorphology and weathering characteristics of erratic boulder trains on Tierra del Fuego, southernmost South America: implications for dating of glacial deposits. Geomorphology, 228, 382-397. https://doi.org/10.1016/j.geomorph.2014.09.017

Erratic boulder trains (EBTs) are a useful glacial geomorphological feature because they reveal former ice flow trajectories and can be targeted for cosmogenic nuclide exposure dating. However, understanding how they are transported and deposited is... Read More about Geomorphology and weathering characteristics of erratic boulder trains on Tierra del Fuego, southernmost South America: implications for dating of glacial deposits.

The Glacial Geomorphology of the Antarctic Ice Sheet Bed (2014)
Journal Article
Jamieson, S., Stokes, C., Ross, N., Rippin, D., Bingham, R., Wilson, D., …Bentley, M. (2014). The Glacial Geomorphology of the Antarctic Ice Sheet Bed. Antarctic Science, 26(6), 724-741. https://doi.org/10.1017/s0954102014000212

In 1976, David Sugden and Brian John developed a classification for Antarctic landscapes of glacial erosion based upon exposed and eroded coastal topography, providing insight into the past glacial dynamics of the Antarctic ice sheets. We extend this... Read More about The Glacial Geomorphology of the Antarctic Ice Sheet Bed.

Morphometry and pattern of a large sample (>20,000) of Canadian eskers and implications for subglacial drainage beneath ice sheets (2014)
Journal Article
Storrar, R., Stokes, C., & Evans, D. (2014). Morphometry and pattern of a large sample (>20,000) of Canadian eskers and implications for subglacial drainage beneath ice sheets. Quaternary Science Reviews, 105(1), 1-25. https://doi.org/10.1016/j.quascirev.2014.09.013

Ice sheet flow is strongly influenced by the nature and quantity of meltwater entering the subglacial system. Accessing and monitoring contemporary drainage systems beneath ice sheets is notoriously difficult, but it is possible to utilise the expose... Read More about Morphometry and pattern of a large sample (>20,000) of Canadian eskers and implications for subglacial drainage beneath ice sheets.

Size, shape and spatial arrangement of mega-scale glacial lineations from a large and diverse dataset (2014)
Journal Article
Spagnolo, M., Clark, C., Ely, J., Stokes, C., Anderson, J., Andreassen, K., …King, E. (2014). Size, shape and spatial arrangement of mega-scale glacial lineations from a large and diverse dataset. Earth Surface Processes and Landforms, 39(11), 1432-1448. https://doi.org/10.1002/esp.3532

Mega-scale glacial lineations (MSGLs) are a characteristic landform on ice stream beds. Solving the puzzle of their formation is key to understanding how ice interacts with its bed and how this, in turn, influences the dynamics of ice streams. Howeve... Read More about Size, shape and spatial arrangement of mega-scale glacial lineations from a large and diverse dataset.

Manual mapping of drumlins in synthetic landscapes to assess operator effectiveness (2014)
Journal Article
Hillier, J., Smith, M., Armugam, R., Barr, I., Boston, C., Clark, C., …Wooldridge, K. (2014). Manual mapping of drumlins in synthetic landscapes to assess operator effectiveness. Journal of Maps, 11(5), 719-729. https://doi.org/10.1080/17445647.2014.957251

Mapped topographic features are important for understanding processes that sculpt the Earth's surface. This paper presents maps that are the primary product of an exercise that brought together 27 researchers with an interest in landform mapping wher... Read More about Manual mapping of drumlins in synthetic landscapes to assess operator effectiveness.

The Randolph Glacier Inventory: a globally complete inventory of glaciers (2014)
Journal Article
Pfeffer, W. T., Arendt, A. A., Bliss, A., Bolch, T., Cogley, J. G., Gardner, A. S., …Wyatt, F. (2014). The Randolph Glacier Inventory: a globally complete inventory of glaciers. Journal of Glaciology, 60(221), 537-552. https://doi.org/10.3189/2014jog13j176

The Randolph Glacier Inventory (RGI) is a globally complete collection of digital outlines of glaciers, excluding the ice sheets, developed to meet the needs of the Fifth Assessment of the Intergovernmental Panel on Climate Change for estimates of pa... Read More about The Randolph Glacier Inventory: a globally complete inventory of glaciers.