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Outputs (74)

Alpine topography of the Gamburtsev Subglacial Mountains, Antarctica, mapped from ice sheet surface morphology (2024)
Journal Article
Lea, E. J., Jamieson, S. S. R., & Bentley, M. J. (2024). Alpine topography of the Gamburtsev Subglacial Mountains, Antarctica, mapped from ice sheet surface morphology. The Cryosphere, 18(4), 1733-1751. https://doi.org/10.5194/tc-18-1733-2024

Landscapes buried beneath the Antarctic Ice Sheet preserve information about the geologic and geomorphic evolution of the continent both before and during the wide-scale glaciation that began roughly 34×106 years ago. Since the inception of this ice... Read More about Alpine topography of the Gamburtsev Subglacial Mountains, Antarctica, mapped from ice sheet surface morphology.

Subglacial valleys preserved in the highlands of south and east Greenland record restricted ice extent during past warmer climates (2024)
Journal Article
Paxman, G. J. G., Jamieson, S. S. R., Dolan, A. M., & Bentley, M. J. (2024). Subglacial valleys preserved in the highlands of south and east Greenland record restricted ice extent during past warmer climates. The Cryosphere, 18(3), 1467-1493. https://doi.org/10.5194/tc-18-1467-2024

The Greenland Ice Sheet is a key contributor to contemporary global sea level rise, but its long-term history and response to episodes of warming in Earth's geological past remain uncertain. The terrain covered by the ice sheet comprises ∼ 79 % of Gr... Read More about Subglacial valleys preserved in the highlands of south and east Greenland record restricted ice extent during past warmer climates.

Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania (2023)
Journal Article
Balaban, C., Roberts, D., Evans, D., & Jamieson, S. (2024). Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania. Earth Surface Processes and Landforms, 49(2), 601-621. https://doi.org/10.1002/esp.5723

Reconstructing the extent, style, timing and drivers of past mountain glaciation is crucial in both understanding past atmospheric circulation and predicting future climate change. Unlike in high‐elevation mountains situated in maritime and continent... Read More about Past glaciation of temperate‐continental mountains: A model for a debris‐charged plateau icefield/cirque glacier landsystem in the Southern Carpathians, Romania.

An ancient river landscape preserved beneath the East Antarctic Ice Sheet (2023)
Journal Article
Jamieson, S. S. R., Ross, N., Paxman, G. J. G., Clubb, F. J., Young, D. A., Yan, S., …Siegert, M. J. (2023). An ancient river landscape preserved beneath the East Antarctic Ice Sheet. Nature Communications, 14(1), Article 6507. https://doi.org/10.1038/s41467-023-42152-2

The East Antarctic Ice Sheet (EAIS) has its origins ca. 34 million years ago. Since then, the impact of climate change and past fluctuations in the EAIS margin has been reflected in periods of extensive vs. restricted ice cover and the modification o... Read More about An ancient river landscape preserved beneath the East Antarctic Ice Sheet.

Extensive and anomalous grounding line retreat at Vanderford Glacier, Vincennes Bay, Wilkes Land, East Antarctica (2023)
Journal Article
Picton, H. J., Stokes, C. R., Jamieson, S. S. R., Floricioiu, D., & Krieger, L. (2023). Extensive and anomalous grounding line retreat at Vanderford Glacier, Vincennes Bay, Wilkes Land, East Antarctica. The Cryosphere, 17(8), 3593–3616. https://doi.org/10.5194/tc-2022-217

Wilkes Land, East Antarctica, has been losing mass at an accelerating rate over recent decades in response to enhanced oceanic forcing. Overlying the Aurora Subglacial Basin, it has been referred to as the ‘weak underbelly’ of the East Antarctic Ice... Read More about Extensive and anomalous grounding line retreat at Vanderford Glacier, Vincennes Bay, Wilkes Land, East Antarctica.

Direct measurement of warm Atlantic Intermediate Water close to the grounding line of Nioghalvfjerdsfjorden (79° N) Glacier, northeast Greenland (2023)
Journal Article
Bentley, M. J., Smith, J. A., Jamieson, S. S., Lindeman, M. R., Rea, B. R., Humbert, A., …Roberts, D. H. (2023). Direct measurement of warm Atlantic Intermediate Water close to the grounding line of Nioghalvfjerdsfjorden (79° N) Glacier, northeast Greenland. The Cryosphere, 17(5), 1821-1837. https://doi.org/10.5194/tc-17-1821-2023

The Northeast Greenland Ice Stream has recently seen significant change to its floating margins and has been identified as vulnerable to future climate warming. Inflow of warm Atlantic Intermediate Water (AIW) from the continental shelf has been obse... Read More about Direct measurement of warm Atlantic Intermediate Water close to the grounding line of Nioghalvfjerdsfjorden (79° N) Glacier, northeast Greenland.

Increased warm water intrusions could cause mass loss in East Antarctica during the next 200 years (2023)
Journal Article
Jordan, J. R., Miles, B., Gudmundsson, G., Jamieson, S., Jenkins, A., & Stokes, C. (2023). Increased warm water intrusions could cause mass loss in East Antarctica during the next 200 years. Nature Communications, 14(1), Article 1825. https://doi.org/10.1038/s41467-023-37553-2

The East Antarctic Ice Sheet (EAIS) is currently surrounded by relatively cool water, but climatic shifts have the potential to increase basal melting via intrusions of warm modified Circumpolar Deep Water (mCDW) onto the continental shelf. Here we u... Read More about Increased warm water intrusions could cause mass loss in East Antarctica during the next 200 years.

Holocene history of the 79° N ice shelf reconstructed from epishelf lake and uplifted glaciomarine sediments (2023)
Journal Article
Smith, J. A., Callard, L., Bentley, M. J., Jamieson, S. S., Sánchez-Montes, M. L., Lane, T. P., …Roberts, D. H. (2023). Holocene history of the 79° N ice shelf reconstructed from epishelf lake and uplifted glaciomarine sediments. The Cryosphere, 17(3), https://doi.org/10.5194/tc-17-1247-2023

Nioghalvfjerdsbrae, or 79◦ N Glacier, is the largest marine-terminating glacier draining the Northeast Greenland Ice Stream (NEGIS). In recent years, its ∼ 70 km long fringing ice shelf (hereafter referred to as the 79◦ N ice shelf) has thinned, and... Read More about Holocene history of the 79° N ice shelf reconstructed from epishelf lake and uplifted glaciomarine sediments.

The geomorphological record of an ice stream to ice shelf transition in Northeast Greenland (2023)
Journal Article
Lane, T., Darvill, C., Rea, B., Bentley, M., Smith, J., Jamieson, S., …Roberts, D. (2023). The geomorphological record of an ice stream to ice shelf transition in Northeast Greenland. Earth Surface Processes and Landforms, 48(7), 1321-1341. https://doi.org/10.1002/esp.5552

Understanding ice stream dynamics over decadal to millennial timescales is crucial for improving numerical model projections of ice sheet behaviour and future ice loss. In marine-terminating settings, ice shelves play a critical role in controlling i... Read More about The geomorphological record of an ice stream to ice shelf transition in Northeast Greenland.

Slowdown of Shirase Glacier, East Antarctica, caused by strengthening alongshore winds (2022)
Journal Article
Miles, B. W., Stokes, C. R., Jenkins, A., Jordan, J. R., Jamieson, S. S., & Gudmundsson, G. H. (2022). Slowdown of Shirase Glacier, East Antarctica, caused by strengthening alongshore winds. The Cryosphere, 17, 445-456. https://doi.org/10.5194/tc-2022-126

Around large parts of West Antarctica and in Wilkes Land, East Antarctica, increased wind-forced intrusions of modified Circumpolar Deep Water (mCDW) onto the continental shelf have been associated with mass loss over the last few decades. Despite co... Read More about Slowdown of Shirase Glacier, East Antarctica, caused by strengthening alongshore winds.

Response of the East Antarctic Sheet to Past and Future Climate Change (2022)
Journal Article
Stokes, C. R., Abram, N. J., Bentley, M. J., Edwards, T. L., England, M. H., Foppert, A., …Whitehouse, P. (2022). Response of the East Antarctic Sheet to Past and Future Climate Change. Nature, 608, 275-286. https://doi.org/10.1038/s41586-022-04946-0

The East Antarctic Ice Sheet contains the vast majority of Earth’s glacier ice (about 52 metres sea-level equivalent), but is often viewed as less vulnerable to global warming than the West Antarctic or Greenland ice sheets. However, some regions of... Read More about Response of the East Antarctic Sheet to Past and Future Climate Change.

The Last Glacial Maximum and Deglacial History of the Seno Skyring Ice Lobe (52°S), Southern Patagonia (2022)
Journal Article
Lira, M., García, J., Bentley, M. J., Jamieson, S. S., Darvill, C. M., Hein, A. S., …Binnie, S. A. (2022). The Last Glacial Maximum and Deglacial History of the Seno Skyring Ice Lobe (52°S), Southern Patagonia. Frontiers in Earth Science, 10, https://doi.org/10.3389/feart.2022.892316

There are still many uncertainties about the climatic forcing that drove the glacier fluctuations of the Patagonian Ice Sheet (PIS, 38–55°S) during the last glacial period. A key source of uncertainty is the asynchrony of ice lobe fluctuations betwee... Read More about The Last Glacial Maximum and Deglacial History of the Seno Skyring Ice Lobe (52°S), Southern Patagonia.

High spatial and temporal variability in Antarctic ice discharge linked to ice shelf buttressing and bed geometry (2022)
Journal Article
Miles, B., Stokes, C., Jamieson, S., Jordan, J., Gudmundsson, G., & Jenkins, A. (2022). High spatial and temporal variability in Antarctic ice discharge linked to ice shelf buttressing and bed geometry. Scientific Reports, 12, Article 10968. https://doi.org/10.1038/s41598-022-13517-2

Antarctica’s contribution to global mean sea level rise has been driven by an increase in ice discharge into the oceans. The rate of change and the mechanisms that drive variability in ice discharge are therefore important to consider in the context... Read More about High spatial and temporal variability in Antarctic ice discharge linked to ice shelf buttressing and bed geometry.

Palaeoglaciation in the low latitude, low elevation tropical Andes, northern Peru (2022)
Journal Article
Lee, E., Ross, N., Henderson, A., Russell, A., Jamieson, S., & Fabel, D. (2022). Palaeoglaciation in the low latitude, low elevation tropical Andes, northern Peru. Frontiers in Earth Science, 10, Article 838826. https://doi.org/10.3389/feart.2022.838826

Characterising glaciological change within the tropical Andes is important because tropical glaciers are sensitive to climate change. Our understanding of glacier dynamics and how tropical glaciers respond to global climate perturbations is poorly co... Read More about Palaeoglaciation in the low latitude, low elevation tropical Andes, northern Peru.

Large interannual variability in supraglacial lakes around East Antarctica (2022)
Journal Article
Arthur, J. F., Stokes, C. R., Jamieson, S. S., Rachel Carr, J., Leeson, A. A., & Verjans, V. (2022). Large interannual variability in supraglacial lakes around East Antarctica. Nature Communications, 13(1), https://doi.org/10.1038/s41467-022-29385-3

Antarctic supraglacial lakes (SGLs) have been linked to ice shelf collapse and the subsequent acceleration of inland ice flow, but observations of SGLs remain relatively scarce and their interannual variability is largely unknown. This makes it diffi... Read More about Large interannual variability in supraglacial lakes around East Antarctica.

Summer sea-ice variability on the Antarctic margin during the last glacial period reconstructed from snow petrel (Pagodroma nivea) stomach-oil deposits (2022)
Journal Article
McClymont, E. L., Bentley, M. J., Hodgson, D. A., Spencer-Jones, C. L., Wardley, T., West, M. D., …Phillips, R. A. (2022). Summer sea-ice variability on the Antarctic margin during the last glacial period reconstructed from snow petrel (Pagodroma nivea) stomach-oil deposits. Climate of the Past, 18(2), 381-403. https://doi.org/10.5194/cp-18-381-2022

Antarctic sea ice is a critical component of the climate system affecting a range of physical and biogeochemical feedbacks and supporting unique ecosystems. During the last glacial stage, Antarctic sea ice was more extensive than today, but uncertain... Read More about Summer sea-ice variability on the Antarctic margin during the last glacial period reconstructed from snow petrel (Pagodroma nivea) stomach-oil deposits.

Enhanced terrestrial carbon export from East Antarctica during the early Eocene (2022)
Journal Article
Inglis, G., Toney, J., Zhu, J., Poulsen, C., Rohl, U., Jamieson, S., …Bendle, J. (2022). Enhanced terrestrial carbon export from East Antarctica during the early Eocene. Paleoceanography and Paleoclimatology, 37(2), Article e2021PA004348. https://doi.org/10.1029/2021pa004348

Terrestrial organic carbon (TerrOC) acts as an important CO2 sink when transported via rivers to the ocean and sequestered in coastal marine sediments. This mechanism might help to modulate atmospheric CO2 levels over short- and long timescales (103... Read More about Enhanced terrestrial carbon export from East Antarctica during the early Eocene.

Mid-Holocene thinning of David Glacier, Antarctica: chronology and controls (2021)
Journal Article
Stutz, J., Mackintosh, A., Norton, K., Whitmore, R., Baroni4, C., Jamieson, S. S., …Woodruff, T. (2021). Mid-Holocene thinning of David Glacier, Antarctica: chronology and controls. The Cryosphere, 15(12), 5447-5471. https://doi.org/10.5194/tc-15-5447-2021

Quantitative satellite observations only provide an assessment of ice sheet mass loss over the last four decades. To assess long-term drivers of ice sheet change, geological records are needed. Here we present the first millennial-scale reconstructio... Read More about Mid-Holocene thinning of David Glacier, Antarctica: chronology and controls.

The sensitivity of Cook Glacier, East Antarctica, to changes in ice-shelf extent and grounding-line position (2021)
Journal Article
Jordan, J., Gudmundsson, G., Jenkins, A., Stokes, C., Miles, B., & Jamieson, S. (2022). The sensitivity of Cook Glacier, East Antarctica, to changes in ice-shelf extent and grounding-line position. Journal of Glaciology, 68(269), 473-485. https://doi.org/10.1017/jog.2021.106

The Wilkes Subglacial Basin in East Antarctica contains ice equivalent to 3–4 m of global mean sea level rise and is primarily drained by Cook Glacier. Of concern is that recent observations (since the 1970s) show an acceleration in ice speed over th... Read More about The sensitivity of Cook Glacier, East Antarctica, to changes in ice-shelf extent and grounding-line position.

The triggers of the disaggregation of Voyeykov Ice Shelf (2007), Wilkes Land, East Antarctica, and its subsequent evolution (2021)
Journal Article
Arthur, J. F., Stokes, C. R., Jamieson, S. S., Miles, B. W., Carr, J. R., & Leeson, A. A. (2021). The triggers of the disaggregation of Voyeykov Ice Shelf (2007), Wilkes Land, East Antarctica, and its subsequent evolution. Journal of Glaciology, 67(265), 933-951. https://doi.org/10.1017/jog.2021.45

The weakening and/or removal of floating ice shelves in Antarctica can induce inland ice flow acceleration. Numerical modelling suggests these processes will play an important role in Antarctica's future sea-level contribution, but our understanding... Read More about The triggers of the disaggregation of Voyeykov Ice Shelf (2007), Wilkes Land, East Antarctica, and its subsequent evolution.

Recent acceleration of Denman Glacier (1972-2017), East Antarctica, driven by grounding line retreat and changes in ice tongue configuration (2021)
Journal Article
Miles, B., Jordan, J., Stokes, C., Jamieson, S., Hilmar Gudmundsson, G., & Jenkins, A. (2021). Recent acceleration of Denman Glacier (1972-2017), East Antarctica, driven by grounding line retreat and changes in ice tongue configuration. The Cryosphere, 15, 663-676. https://doi.org/10.5194/tc-2020-162

Denman Glacier is one of the largest in East Antarctica, with a catchment that contains an ice volume equivalent to 1.5 m of global sea-level and which sits in the Aurora Subglacial Basin (ASB). Geological evidence of this basin’s sensitivity to past... Read More about Recent acceleration of Denman Glacier (1972-2017), East Antarctica, driven by grounding line retreat and changes in ice tongue configuration.

Subglacial lakes and hydrology across the Ellsworth Subglacial Highlands, West Antarctica (2020)
Journal Article
Napoleoni, F., Jamieson, S., Ross, N., Bentley, M., Rivera, A., Smith, A., …Vaughan, D. (2020). Subglacial lakes and hydrology across the Ellsworth Subglacial Highlands, West Antarctica. The Cryosphere, 14, 4507-4524. https://doi.org/10.5194/tc-14-4507-2020

Subglacial water plays an important role in ice sheet dynamics and stability. Subglacial lakes are often located at the onset of ice streams and have been hypothesised to enhance ice flow downstream by lubricating the ice– bed interface. The most rec... Read More about Subglacial lakes and hydrology across the Ellsworth Subglacial Highlands, West Antarctica.

Distribution and seasonal evolution of supraglacial lakes on Shackleton Ice Shelf, East Antarctica (2020)
Journal Article
Arthur, J., Stokes, C., Jamieson, S., Carr, J., & Leeson, A. (2020). Distribution and seasonal evolution of supraglacial lakes on Shackleton Ice Shelf, East Antarctica. The Cryosphere, 14(11), 4103-4120. https://doi.org/10.5194/tc-14-4103-2020

Supraglacial lakes (SGLs) enhance surface melting and can flex and fracture ice shelves when they grow and subsequently drain, potentially leading to ice shelf disintegration. However, the seasonal evolution of SGLs and their influence on ice shelf s... Read More about Distribution and seasonal evolution of supraglacial lakes on Shackleton Ice Shelf, East Antarctica.

Long-term increase in Antarctic Ice Sheet vulnerability driven by bed topography evolution (2020)
Journal Article
Paxman, G., Gasson, E., Jamieson, S., Bentley, M., & Ferraccioli, F. (2020). Long-term increase in Antarctic Ice Sheet vulnerability driven by bed topography evolution. Geophysical Research Letters, 47(20), Article e2020GL090003. https://doi.org/10.1029/2020gl090003

Ice sheet behavior is strongly influenced by the bed topography. However, the effect of the progressive temporal evolution of Antarctica's subglacial landscape on the sensitivity of the Antarctic Ice Sheet (AIS) to climatic and oceanic change has yet... Read More about Long-term increase in Antarctic Ice Sheet vulnerability driven by bed topography evolution.

Recent understanding of Antarctic supraglacial lakes using satellite remote sensing (2020)
Journal Article
Arthur, J., Stokes, C., Jamieson, S., Carr, J., & Leeson, A. (2020). Recent understanding of Antarctic supraglacial lakes using satellite remote sensing. Progress in Physical Geography, 44(6), 837-869. https://doi.org/10.1177/0309133320916114

Supraglacial lakes (SGLs) are now known to be widespread in Antarctica, where they represent an important component of ice sheet mass balance. This paper reviews how recent progress in satellite remote sensing has substantially advanced our understan... Read More about Recent understanding of Antarctic supraglacial lakes using satellite remote sensing.

Intermittent structural weakening and acceleration of the Thwaites Glacier Tongue between 2000 and 2018 (2020)
Journal Article
Miles, B., Stokes, C., Jenkins, A., Jordan, J., Jamieson, S., & Gudmundsson, G. (2020). Intermittent structural weakening and acceleration of the Thwaites Glacier Tongue between 2000 and 2018. Journal of Glaciology, 66(257), 485-495. https://doi.org/10.1017/jog.2020.20

Evolving conditions at the terminus of Thwaites Glacier will be important in determining the rate of its future sea-level contribution over the coming decades. Here, we use remote-sensing observations to investigate recent changes (2000–2018) in the... Read More about Intermittent structural weakening and acceleration of the Thwaites Glacier Tongue between 2000 and 2018.

Major ice‐sheet change in the Weddell Sector of West Antarctica over the last 5000 years (2019)
Journal Article
Siegert, M. J., Kingslake, J., Ross, N., Whitehouse, P. L., Woodward, J., Jamieson, S. S., …Sugden, D. E. (2019). Major ice‐sheet change in the Weddell Sector of West Antarctica over the last 5000 years. Reviews of Geophysics, 57(4), 1197-1223. https://doi.org/10.1029/2019rg000651

Until recently, little was known about the Weddell Sea sector of the West Antarctic Ice Sheet. In the last 10 years, a variety of expeditions and numerical modelling experiments have improved knowledge of its glaciology, glacial geology, and tectonic... Read More about Major ice‐sheet change in the Weddell Sector of West Antarctica over the last 5000 years.

Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet (2019)
Journal Article
Stokes, C., Sanderson, J., Miles, B., Jamieson, S., & Leeson, A. (2019). Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet. Scientific Reports, 9, Article 13823. https://doi.org/10.1038/s41598-019-50343-5

Supraglacial lakes are important to ice sheet mass balance because their development and drainage has been linked to changes in ice flow velocity and ice shelf disintegration. However, little is known about their distribution on the world’s largest i... Read More about Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet.

Reconstructions of Antarctic topography since the Eocene–Oligocene boundary (2019)
Journal Article
Paxman, G., Jamieson, S., Hochmuth, K., Gohl, K., Bentley, M., Leitchenkov, G., & Ferraccioli, F. (2019). Reconstructions of Antarctic topography since the Eocene–Oligocene boundary. Palaeogeography, Palaeoclimatology, Palaeoecology, 535, Article 109346. https://doi.org/10.1016/j.palaeo.2019.109346

Accurate models of past Antarctic ice sheet behaviour require realistic reconstructions of the evolution of bedrock topography. However, other than a preliminary attempt to reconstruct Antarctic topography at the Eocene–Oligocene boundary, the long-t... Read More about Reconstructions of Antarctic topography since the Eocene–Oligocene boundary.

Subglacial geology and geomorphology of the Pensacola-Pole Basin, East Antarctica (2019)
Journal Article
Paxman, G., Jamieson, S., Ferraccioli, F., Jordan, T., Bentley, M., Ross, N., …Casal, T. (2019). Subglacial geology and geomorphology of the Pensacola-Pole Basin, East Antarctica. Geochemistry, Geophysics, Geosystems, 20(6), 2786-2807. https://doi.org/10.1029/2018gc008126

The East Antarctic Ice Sheet (EAIS) is underlain by a series of low‐lying subglacial sedimentary basins. The extent, geology and basal topography of these sedimentary basins are important boundary conditions governing the dynamics of the overlying ic... Read More about Subglacial geology and geomorphology of the Pensacola-Pole Basin, East Antarctica.

What can palaeoclimate modelling do for you? (2019)
Journal Article
Haywood, A., Valdes, P., Aze, T., Barlow, N., Burke, A., Dolan, A., …Voss, J. (2019). What can palaeoclimate modelling do for you?. Earth Systems and Environment, 3(1), 1-18. https://doi.org/10.1007/s41748-019-00093-1

In modern environmental and climate science it is necessary to assimilate observational datasets collected over decades with outputs from numerical models, to enable a full understanding of natural systems and their sensitivities. During the twentiet... Read More about What can palaeoclimate modelling do for you?.

The role of lithospheric flexure in the landscape evolution of the Wilkes Subglacial Basin and Transantarctic Mountains, East Antarctica (2019)
Journal Article
Paxman, G., Jamieson, S., Ferraccioli, F., Bentley, M., Ross, N., Watts, A., …Young, D. (2019). The role of lithospheric flexure in the landscape evolution of the Wilkes Subglacial Basin and Transantarctic Mountains, East Antarctica. Journal of Geophysical Research: Earth Surface, 124(3), 812-829. https://doi.org/10.1029/2018jf004705

Reconstructions of the bedrock topography of Antarctica since the Eocene–Oligocene Boundary (ca. 34 Ma) provide important constraints for modelling Antarctic ice sheet evolution. This is particularly important in regions where the bedrock lies below... Read More about The role of lithospheric flexure in the landscape evolution of the Wilkes Subglacial Basin and Transantarctic Mountains, East Antarctica.

The pre-glacial landscape of Antarctica (2018)
Journal Article
Sugden, D., & Jamieson, S. (2018). The pre-glacial landscape of Antarctica. Scottish Geographical Journal, 134(3-4), 203-223. https://doi.org/10.1080/14702541.2018.1535090

The geomorphology of the hidden subglacial landscape of Antarctica is relevant to our understanding of the stability of the Antarctic Ice Sheet and also to that of global interactions between plate tectonics and surface processes. We believe that geo... Read More about The pre-glacial landscape of Antarctica.

Velocity increases at Cook Glacier, East Antarctica linked to ice shelf loss and a subglacial flood event (2018)
Journal Article
Miles, B., Stokes, C., & Jamieson, S. (2018). Velocity increases at Cook Glacier, East Antarctica linked to ice shelf loss and a subglacial flood event. The Cryosphere, 12(10), 3123-3136. https://doi.org/10.5194/tc-12-3123-2018

Cook Glacier drains a large proportion of the Wilkes Subglacial Basin in East Antarctica, a region thought to be vulnerable to marine ice sheet instability and with potential to make a significant contribution to sea level. Despite its importance, th... Read More about Velocity increases at Cook Glacier, East Antarctica linked to ice shelf loss and a subglacial flood event.

Lack of evidence for a substantial sea-level fluctuation within the Last Interglacial (2018)
Journal Article
Barlow, N., McClymont, E., Whitehouse, P., Stokes, C., Jamieson, S., Woodroffe, S., …Sanchez-Montes, M. (2018). Lack of evidence for a substantial sea-level fluctuation within the Last Interglacial. Nature Geoscience, 11, 627-634. https://doi.org/10.1038/s41561-018-0195-4

During the Last Interglacial, global mean sea level reached approximately 6 to 9 m above the present level. This period of high sea level may have been punctuated by a fall of more than 4 m, but a cause for such a widespread sea-level fall has been e... Read More about Lack of evidence for a substantial sea-level fluctuation within the Last Interglacial.

Bedrock erosion surfaces record former East Antarctic Ice Sheet extent (2018)
Journal Article
Paxman, G., Jamieson, S., Ferraccioli, F., Bentley, M., Ross, N., Armadillo, E., …DeConto, R. (2018). Bedrock erosion surfaces record former East Antarctic Ice Sheet extent. Geophysical Research Letters, 45(9), 4114-4123. https://doi.org/10.1029/2018gl077268

East Antarctica hosts large subglacial basins into which the East Antarctic Ice Sheet (EAIS) likely retreated during past warmer climates. However, the extent of retreat remains poorly constrained, making quantifying past and predicted future contrib... Read More about Bedrock erosion surfaces record former East Antarctic Ice Sheet extent.

Exploration of subsurface Antarctica: uncovering past changes and modern processes (2017)
Book Chapter
Siegert, M., Jamieson, S., & White, D. (2018). Exploration of subsurface Antarctica: uncovering past changes and modern processes. In M. Siegert, S. Jamieson, & D. White (Eds.), Exploration of subsurface Antarctica : uncovering past changes and modern processes (1-6). The Geological Society. https://doi.org/10.1144/sp461.15

The Antarctic continent, which contains enough ice to raise sea level globally by around 60 m, is the last major scientific frontier on our planet. We know far more about the surfaces of the Moon, Mars and around half of Pluto than we do about the un... Read More about Exploration of subsurface Antarctica: uncovering past changes and modern processes.

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).

Uplift and tilting of the Shackleton Range in East Antarctica driven by glacial erosion and normal faulting (2017)
Journal Article
Paxman, G., Jamieson, S., Ferraccioli, F., Bentley, M., Forsberg, R., Ross, N., …Jordan, T. (2017). Uplift and tilting of the Shackleton Range in East Antarctica driven by glacial erosion and normal faulting. Journal of Geophysical Research. Solid Earth, 122(3), 2390-2408. https://doi.org/10.1002/2016jb013841

Unravelling the long-term evolution of the subglacial landscape of Antarctica is vital for understanding past ice sheet dynamics and stability, particularly in marine-based sectors of the ice sheet. Here, we model the evolution of the bedrock topogra... Read More about Uplift and tilting of the Shackleton Range in East Antarctica driven by glacial erosion and normal faulting.

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.

Controls on Last Glacial Maximum ice extent in the Weddell Sea embayment, Antarctica (2017)
Journal Article
Whitehouse, P. L., Bentley, M. J., Vieli, A., Jamieson, S. S., Hein, A. S., & Sugden, D. E. (2017). Controls on Last Glacial Maximum ice extent in the Weddell Sea embayment, Antarctica. Journal of Geophysical Research: Earth Surface, 122(1), 371-397. https://doi.org/10.1002/2016jf004121

The Weddell Sea sector of the Antarctic Ice Sheet is hypothesized to have made a significant contribution to sea-level rise since the Last Glacial Maximum. Using a numerical flowline model we investigate the controls on grounding line motion across t... Read More about Controls on Last Glacial Maximum ice extent in the Weddell Sea embayment, Antarctica.

Controls on the Early Holocene Collapse of the Bothnian Sea Ice Stream (2016)
Journal Article
Clason, C., Greenwood, S., Selmes, N., Lea, J., Jamieson, S., Nick, F., & Holmlund, P. (2016). Controls on the Early Holocene Collapse of the Bothnian Sea Ice Stream. Journal of Geophysical Research: Earth Surface, 121(12), 2494-2513. https://doi.org/10.1002/2016jf004050

New high resolution multibeam data in the Gulf of Bothnia reveal for the first time the subglacial environment of a Bothnian Sea Ice Stream. The geomorphological record suggests that increased meltwater production may have been important in driving r... Read More about Controls on the Early Holocene Collapse of the Bothnian Sea Ice Stream.

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.

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.

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?.

An extensive subglacial lake and canyon system in Princess Elizabeth Land, East Antarctica (2015)
Journal Article
Jamieson, S., Ross, N., Greenbaum, J., Young, D., Aitken, A., Roberts, J., …Siegert, M. (2016). An extensive subglacial lake and canyon system in Princess Elizabeth Land, East Antarctica. Geology, 44(2), 87-90. https://doi.org/10.1130/g37220.1

The subglacial landscape of Princess Elizabeth Land (PEL) in East Antarctica is poorly known due to a paucity of ice thickness measurements. This is problematic given its importance for understanding ice sheet dynamics and landscape and climate evolu... Read More about An extensive subglacial lake and canyon system in Princess Elizabeth Land, East Antarctica.

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.

Surficial geology and geomorphology of the Kumtor Gold Mine, Kyrgyzstan: human impacts on mountain glacier landsystems (2015)
Journal Article
Evans, D., Ewertowski, M., Jamieson, S., & Orton, C. (2016). Surficial geology and geomorphology of the Kumtor Gold Mine, Kyrgyzstan: human impacts on mountain glacier landsystems. Journal of Maps, 12(5), 757-769. https://doi.org/10.1080/17445647.2015.1071720

A 1:50,000 scale map of the surficial geology and geomorphology of the mountain glacier landsystem and the human impacts of the Kumtor Gold Mine operations in the Akshiirak massif was compiled from a 0.5 m resolution pan-sharpened image from Digital... Read More about Surficial geology and geomorphology of the Kumtor Gold Mine, Kyrgyzstan: human impacts on mountain glacier landsystems.

Rapid advance of two mountain glaciers in response to mine-related debris loading (2015)
Journal Article
Jamieson, S., Ewertowski, M., & Evans, D. (2015). Rapid advance of two mountain glaciers in response to mine-related debris loading. Journal of Geophysical Research: Earth Surface, 120(7), 1418-1435. https://doi.org/10.1002/2015jf003504

Rapid glacier advance is known to occur by a range of mechanisms. However, although large-scale debris loading has been proposed as a process for causing rapid terminus advance, it has rarely been observed. We use satellite remote-sensing data to obs... Read More about Rapid advance of two mountain glaciers in response to mine-related debris loading.

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.

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.

A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum (2014)
Journal Article
Bentley, M., Ó Cofaigh, C., Anderson, J., Conway, H., Davies, B., Graham, A., …Zwartz, D. (2014). A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum. Quaternary Science Reviews, 100, 1-9. https://doi.org/10.1016/j.quascirev.2014.06.025

A robust understanding of Antarctic Ice Sheet deglacial history since the Last Glacial Maximum is important in order to constrain ice sheet and glacial-isostatic adjustment models, and to explore the forcing mechanisms responsible for ice sheet retre... Read More about A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum.

Understanding controls on rapid ice-stream retreat during the last deglaciation of Marguerite Bay, Antarctica, using a numerical model (2014)
Journal Article
Jamieson, S., Vieli, A., Ó Cofaigh, C., Stokes, C., Livingstone, S., & Hillenbrand, C. (2014). Understanding controls on rapid ice-stream retreat during the last deglaciation of Marguerite Bay, Antarctica, using a numerical model. Journal of Geophysical Research: Earth Surface, 119(2), 247-263. https://doi.org/10.1002/2013jf002934

Using a one-dimensional numerical model of ice-stream flow with robust grounding-line dynamics, we explore controls on paleo-ice-stream retreat in Marguerite Bay, Antarctica, during the last deglaciation. Landforms on the continental shelf constrain... Read More about Understanding controls on rapid ice-stream retreat during the last deglaciation of Marguerite Bay, Antarctica, using a numerical model.

Early East Antarctic Ice Sheet growth recorded in the landscape of the Gamburtsev Subglacial Mountains (2013)
Journal Article
Rose, K., Ferraccioli, F., Jamieson, S., Bell, R., Corr, H., Creyts, T., …Braaten, D. (2013). Early East Antarctic Ice Sheet growth recorded in the landscape of the Gamburtsev Subglacial Mountains. Earth and Planetary Science Letters, 375, 1-12. https://doi.org/10.1016/j.epsl.2013.03.053

The Gamburtsev Subglacial Mountains are regarded as a key nucleation site for the Antarctic Ice Sheet and they retain a unique long-term record of pre-glacial and early glacial landscape evolution. Here, we use a range of morphometric analyses to con... Read More about Early East Antarctic Ice Sheet growth recorded in the landscape of the Gamburtsev Subglacial Mountains.

Glacial geomorphology of Marguerite Bay Palaeo-Ice stream, western Antarctic Peninsula (2013)
Journal Article
Livingstone, S., O'Cofaigh, C., Stokes, C., Hillenbrand, C., Vieli, A., & Jamieson, S. (2013). Glacial geomorphology of Marguerite Bay Palaeo-Ice stream, western Antarctic Peninsula. Journal of Maps, 9(4), 558-572. https://doi.org/10.1080/17445647.2013.829411

This paper presents a glacial geomorphological map of over 17,000 landforms on the bed of a major palaeo-ice stream in Marguerite Bay, western Antarctic Peninsula. The map was compiled using various geophysical datasets from multiple marine research... Read More about Glacial geomorphology of Marguerite Bay Palaeo-Ice stream, western Antarctic Peninsula.

Initiation of the West Antarctic Ice Sheet and estimates of total Antarctic ice volume in the earliest Oligocene (2013)
Journal Article
Wilson, D., Pollard, D., DeConto, R., Jamieson, S., & Luyendyk, B. (2013). Initiation of the West Antarctic Ice Sheet and estimates of total Antarctic ice volume in the earliest Oligocene. Geophysical Research Letters, 40(16), 4305-4309. https://doi.org/10.1002/grl.50797

Reconstructions of Antarctic paleotopography for the late Eocene suggest that glacial erosion and thermal subsidence have lowered West Antarctic elevations considerably since then, with Antarctic land area having decreased ~20%. A new climate-ice she... Read More about Initiation of the West Antarctic Ice Sheet and estimates of total Antarctic ice volume in the earliest Oligocene.

Ice-stream stability on a reverse bed slope (2012)
Journal Article
Jamieson, S., Vieli, A., Livingstone, S., Ó Cofaigh, C., Stokes, C., Hillenbrand, C., & Dowdeswell, J. (2012). Ice-stream stability on a reverse bed slope. Nature Geoscience, 5(11), 799-802. https://doi.org/10.1038/ngeo1600

Marine-based ice streams whose beds deepen inland are thought to be inherently unstable. This instability is of particular concern because significant portions of the marine-based West Antarctic and Greenland ice sheets are losing mass and their retr... Read More about Ice-stream stability on a reverse bed slope.

Antarctic palaeo-ice streams (2012)
Journal Article
Livingstone, S., O'Cofaigh, C., Stokes, C., Hillenbrand, C., Vieli, A., & Jamieson, S. (2012). Antarctic palaeo-ice streams. Earth-Science Reviews, 111(1-2), 90-128. https://doi.org/10.1016/j.earscirev.2011.10.003

We review the geomorphological, sedimentological and chronological evidence for palaeo-ice streams on the continental shelf of Antarctica and use this information to investigate basal conditions and processes, and to identify factors controlling grou... Read More about Antarctic palaeo-ice streams.

The evolution of the subglacial landscape of Antarctica (2010)
Journal Article
Jamieson, S., Sugden, D., & Hulton, N. (2010). The evolution of the subglacial landscape of Antarctica. Earth and Planetary Science Letters, 293(1-2), 1-27. https://doi.org/10.1016/j.epsl.2010.02.012

The aim is to investigate the evolution of the subglacial landscape of Antarctica using an ice sheet and erosion model. We identify different stages of continental glaciation and model the erosion processes associated with each stage. The model links... Read More about The evolution of the subglacial landscape of Antarctica.

The impact of parametric uncertainty and topographic error in ice-sheet modelling (2008)
Journal Article
Hebeler, F., Purves, R., & Jamieson, S. (2008). The impact of parametric uncertainty and topographic error in ice-sheet modelling. Journal of Glaciology, 54(188), 889-919. https://doi.org/10.3189/002214308787779852

Ice-sheet models (ISMs) developed to simulate the behaviour of continental-scale ice sheets under past, present or future climate scenarios are subject to a number of uncertainties from various sources. These sources include the conceptualization of... Read More about The impact of parametric uncertainty and topographic error in ice-sheet modelling.

Modelling landscape evolution under ice sheets (2008)
Journal Article
Jamieson, S., Hulton, N., & Hagdorn, M. (2008). Modelling landscape evolution under ice sheets. Geomorphology, 97(1-2), 91-108. https://doi.org/10.1016/j.geomorph.2007.02.047

We use an ice sheet model (GLIMMER) with an erosion component to examine the evolution of landscapes under ice sheets over long time scales in hypothetical situations. GLIMMER is a fully coupled thermomechanical 3-dimensional ice sheet model with a s... Read More about Modelling landscape evolution under ice sheets.

Landscape evolution of Antarctica (2008)
Book Chapter
Jamieson, S., & Sugden, D. (2008). Landscape evolution of Antarctica. In A. Cooper, P. Barrett, H. Stagg, B. Storey, E. Stump, W. Wise, & T. 1. I. E. team (Eds.), Antarctica : a keystone in a changing world : Proceedings of the 10th International Symposium on Antarctic Earth Sciences (39-54). National Academies Press

The relative roles of fluvial versus glacial processes in shaping the landscape of Antarctica have been debated since the expeditions of Robert Scott and Ernest Shackleton in the early years of the 20th century. Here we build a synthesis of Antarctic... Read More about Landscape evolution of Antarctica.

Cenozoic Landscape evolution of the Lambert basin, East Antarctica: the relative role of rivers and ice sheets (2005)
Journal Article
Jamieson, S., Hulton, N., Sugden, D., Payne, A., & Taylor, J. (2005). Cenozoic Landscape evolution of the Lambert basin, East Antarctica: the relative role of rivers and ice sheets. Global and Planetary Change, 45(1-3), 35-49. https://doi.org/10.1016/j.gloplacha.2004.09.015

The inception of the Antarctic Ice Sheet at around 34 Ma followed a period of globally warm climatic conditions. The efficacy of glacial erosion since this time is modelled using BEDMAP Antarctic digital elevation data and seismically estimated offsh... Read More about Cenozoic Landscape evolution of the Lambert basin, East Antarctica: the relative role of rivers and ice sheets.

Tectonic forcing of longitudinal valleys in the Himalaya: morphological analysis of the Ladakh Batholith, North India (2004)
Journal Article
Jamieson, S., Sinclair, H., Kirstein, L., & Purves, R. (2004). Tectonic forcing of longitudinal valleys in the Himalaya: morphological analysis of the Ladakh Batholith, North India. Geomorphology, 58(1-4), 49-65. https://doi.org/10.1016/s0169-555x%2803%2900185-5

Longitudinal valleys form first order topographic features in many mountain belts. They are commonly located along faults that separate tectonic zones with varying uplift histories. The Indus Valley of Ladakh, northern India, runs northwestwards foll... Read More about Tectonic forcing of longitudinal valleys in the Himalaya: morphological analysis of the Ladakh Batholith, North India.

Erosion-driven uplift in the Gamburtsev Subglacial Mountains of East Antarctica (1999)
Journal Article
Paxman, G., Watts, A., Ferraccioli, F., Jordan, T., Bell, R., Jamieson, S., & Finn, C. (1999). Erosion-driven uplift in the Gamburtsev Subglacial Mountains of East Antarctica. Earth and Planetary Science Letters, 452, 1-14. https://doi.org/10.1016/j.epsl.2016.07.040

The relative roles of climate and tectonics in mountain building have been widely debated. Central to this debate is the process of flexural uplift in response to valley incision. Here we quantify this process in the Gamburtsev Subglacial Mountains,... Read More about Erosion-driven uplift in the Gamburtsev Subglacial Mountains of East Antarctica.