Articles | Volume 10, issue 3
https://doi.org/10.5194/tc-10-1003-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-10-1003-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
13 May 2016
Research article |
| 13 May 2016
Past ice-sheet behaviour: retreat scenarios and changing controls in the Ross Sea, Antarctica
Anna Ruth W. Halberstadt
CORRESPONDING AUTHOR
Department of Earth Science, Rice University, Houston, Texas 77005,
USA
Lauren M. Simkins
Department of Earth Science, Rice University, Houston, Texas 77005,
USA
Sarah L. Greenwood
Department of Geological Sciences, Stockholm University, 10691
Stockholm, Sweden
John B. Anderson
Department of Earth Science, Rice University, Houston, Texas 77005,
USA
Related authors
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Ewa Demianiuk, Mateusz Baca, Danijela Popović, Inès Barrenechea Angeles, Ngoc-Loi Nguyen, Jan Pawlowski, John B. Anderson, and Wojciech Majewski
EGUsphere, https://doi.org/10.5194/egusphere-2024-2824, https://doi.org/10.5194/egusphere-2024-2824, 2024
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Ancient foraminifera DNA is studied in five Antarctic cores with sediments up to 25 kyr old. We use a standard and a new, more effective marker, which may become the next standard for paleoenvironmental studies. Much less diverse foraminifera occur on slopes of submarine moraines than in open-marine settings. Softly-walled foraminifera, not found in the fossil record, are especially abundant. There is no foraminiferal DNA in tills, suggesting its destruction during glacial redeposition.
Allison P. Lepp, Lauren E. Miller, John B. Anderson, Matt O'Regan, Monica C. M. Winsborrow, James A. Smith, Claus-Dieter Hillenbrand, Julia S. Wellner, Lindsay O. Prothro, and Evgeny A. Podolskiy
The Cryosphere, 18, 2297–2319, https://doi.org/10.5194/tc-18-2297-2024, https://doi.org/10.5194/tc-18-2297-2024, 2024
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Shape and surface texture of silt-sized grains are measured to connect marine sediment records with subglacial water flow. We find that grain shape alteration is greatest in glaciers where high-energy drainage events and abundant melting of surface ice are inferred and that the surfaces of silt-sized sediments preserve evidence of glacial transport. Our results suggest grain shape and texture may reveal whether glaciers previously experienced temperate conditions with more abundant meltwater.
Kelly A. Hogan, Robert D. Larter, Alastair G. C. Graham, Robert Arthern, James D. Kirkham, Rebecca L. Totten, Tom A. Jordan, Rachel Clark, Victoria Fitzgerald, Anna K. Wåhlin, John B. Anderson, Claus-Dieter Hillenbrand, Frank O. Nitsche, Lauren Simkins, James A. Smith, Karsten Gohl, Jan Erik Arndt, Jongkuk Hong, and Julia Wellner
The Cryosphere, 14, 2883–2908, https://doi.org/10.5194/tc-14-2883-2020, https://doi.org/10.5194/tc-14-2883-2020, 2020
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The sea-floor geometry around the rapidly changing Thwaites Glacier is a key control on warm ocean waters reaching the ice shelf and grounding zone beyond. This area was previously unsurveyed due to icebergs and sea-ice cover. The International Thwaites Glacier Collaboration mapped this area for the first time in 2019. The data reveal troughs over 1200 m deep and, as this region is thought to have only ungrounded recently, provide key insights into the morphology beneath the grounded ice sheet.
Martin Jakobsson, Christian Stranne, Matt O'Regan, Sarah L. Greenwood, Bo Gustafsson, Christoph Humborg, and Elizabeth Weidner
Ocean Sci., 15, 905–924, https://doi.org/10.5194/os-15-905-2019, https://doi.org/10.5194/os-15-905-2019, 2019
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The bottom topography of the Baltic Sea is analysed using the digital depth model from the European Marine Observation and Data Network (EMODnet) published in 2018. Analyses include depth distribution vs. area and seafloor depth variation on a kilometre scale. The limits for the Baltic Sea and analysed sub-basins are from HELCOM. EMODnet is compared with the previously most widely used depth model and the area of deep water exchange between the Bothnian Sea and the Northern Baltic Proper.
Lauren M. Simkins, Sarah L. Greenwood, and John B. Anderson
The Cryosphere, 12, 2707–2726, https://doi.org/10.5194/tc-12-2707-2018, https://doi.org/10.5194/tc-12-2707-2018, 2018
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Using thousands of grounding line landforms in the Ross Sea, Antarctica, we observe two distinct landform types associated with contrasting styles of grounding line retreat. We characterise landform morphology, examine factors that control landform morphology and distribution, and explore drivers of grounding line (in)stability. This study highlights the importance of understanding thresholds which may destabilise a system and of controls on grounding line retreat over a range of timescales.
C. Lavoie, E. W. Domack, E. C. Pettit, T. A. Scambos, R. D. Larter, H.-W. Schenke, K. C. Yoo, J. Gutt, J. Wellner, M. Canals, J. B. Anderson, and D. Amblas
The Cryosphere, 9, 613–629, https://doi.org/10.5194/tc-9-613-2015, https://doi.org/10.5194/tc-9-613-2015, 2015
F. O. Nitsche, K. Gohl, R. D. Larter, C.-D. Hillenbrand, G. Kuhn, J. A. Smith, S. Jacobs, J. B. Anderson, and M. Jakobsson
The Cryosphere, 7, 249–262, https://doi.org/10.5194/tc-7-249-2013, https://doi.org/10.5194/tc-7-249-2013, 2013
Related subject area
Paleo-Glaciology (including Former Ice Reconstructions)
Ice sheet model simulations reveal polythermal ice conditions existed across the NE USA during the Last Glacial Maximum
Millennial-scale fluctuations of palaeo-ice margin at the southern fringe of the last Fennoscandian Ice Sheet
Brief communication: Identification of 140 000-year-old blue ice in the Grove Mountains, East Antarctica, by krypton-81 dating
The influence of glacial landscape evolution on Scandinavian ice-sheet dynamics and dimensions
Antarctic permafrost processes and antiphase dynamics of cold-based glaciers in the McMurdo Dry Valleys inferred from 10Be and 26Al cosmogenic nuclides
Late Holocene glacier and climate fluctuations in the Mackenzie and Selwyn mountain ranges, northwestern Canada
Simulating the Laurentide Ice Sheet of the Last Glacial Maximum
Reversible ice sheet thinning in the Amundsen Sea Embayment during the Late Holocene
The collapse of the Cordilleran–Laurentide ice saddle and early opening of the Mackenzie Valley, Northwest Territories, Canada, constrained by 10Be exposure dating
Timing and climatic-driven mechanisms of glacier advances in Bhutanese Himalaya during the Little Ice Age
The Holocene dynamics of Ryder Glacier and ice tongue in north Greenland
Holocene thinning of Darwin and Hatherton glaciers, Antarctica, and implications for grounding-line retreat in the Ross Sea
Understanding drivers of glacier-length variability over the last millennium
Central Himalayan tree-ring isotopes reveal increasing regional heterogeneity and enhancement in ice mass loss since the 1960s
A model for interaction between conduits and surrounding hydraulically connected distributed drainage based on geomorphological evidence from Keewatin, Canada
Repeated ice streaming on the northwest Greenland continental shelf since the onset of the Middle Pleistocene Transition
Past ice sheet–seabed interactions in the northeastern Weddell Sea embayment, Antarctica
Nonlinear response of the Antarctic Ice Sheet to late Quaternary sea level and climate forcing
Eemian Greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing
The impact of model resolution on the simulated Holocene retreat of the southwestern Greenland ice sheet using the Ice Sheet System Model (ISSM)
Marine ice sheet instability and ice shelf buttressing of the Minch Ice Stream, northwest Scotland
Modelling last glacial cycle ice dynamics in the Alps
Modelling the late Holocene and future evolution of Monacobreen, northern Spitsbergen
Persistent tracers of historic ice flow in glacial stratigraphy near Kamb Ice Stream, West Antarctica
West Antarctic sites for subglacial drilling to test for past ice-sheet collapse
Ice-shelf damming in the glacial Arctic Ocean: dynamical regimes of a basin-covering kilometre-thick ice shelf
A glacial systems model configured for large ensemble analysis of Antarctic deglaciation
Brief communication "Can recent ice discharges following the Larsen-B ice-shelf collapse be used to infer the driving mechanisms of millennial-scale variations of the Laurentide ice sheet?"
Joshua Cuzzone, Aaron Barth, Kelsey Barker, and Mathieu Morlighem
EGUsphere, https://doi.org/10.5194/egusphere-2024-2091, https://doi.org/10.5194/egusphere-2024-2091, 2024
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We use an ice sheet model to simulate the Last Glacial Maximum conditions of the Laurentide Ice Sheet (LIS) across the Northeast United States. A complex thermal history existed for the (LIS), that allowed for high erosion across most of the NE USA, but prevented erosion across high elevation mountain peaks and areas where ice flow was slow. This has implications for geologic studies which rely on the erosional nature of the LIS to reconstruct its glacial history and landscape evolution.
Karol Tylmann, Wojciech Wysota, Vincent Rinterknecht, Piotr Moska, Aleksandra Bielicka-Giełdoń, and ASTER Team
The Cryosphere, 18, 1889–1909, https://doi.org/10.5194/tc-18-1889-2024, https://doi.org/10.5194/tc-18-1889-2024, 2024
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Our results indicate millennial-scale oscillations of the last Fennoscandian Ice Sheet (FIS) in northern Poland between ~19000 and ~17000 years ago. Combined luminescence (OSL) and 10Be dating show the last FIS left basal tills of three ice re-advances at a millennial-scale cycle: 19.2 ± 1.1 ka, 17.8 ± 0.5 ka and 16.9 ± 0.5 ka. This is the first terrestrial record of millennial-scale palaeo-ice margin oscillations at the southern fringe of the FIS during the last glacial cycle.
Zhengyi Hu, Wei Jiang, Yuzhen Yan, Yan Huang, Xueyuan Tang, Lin Li, Florian Ritterbusch, Guo-Min Yang, Zheng-Tian Lu, and Guitao Shi
The Cryosphere, 18, 1647–1652, https://doi.org/10.5194/tc-18-1647-2024, https://doi.org/10.5194/tc-18-1647-2024, 2024
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The age of the surface blue ice in the Grove Mountains area is dated to be about 140 000 years, and one meteorite found here is 260 000 years old. It is inferred that the Grove Mountains blue-ice area holds considerable potential for paleoclimate studies.
Gustav Jungdal-Olesen, Jane Lund Andersen, Andreas Born, and Vivi Kathrine Pedersen
The Cryosphere, 18, 1517–1532, https://doi.org/10.5194/tc-18-1517-2024, https://doi.org/10.5194/tc-18-1517-2024, 2024
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We explore how the shape of the land and underwater features in Scandinavia affected the former Scandinavian ice sheet over time. Using a computer model, we simulate how the ice sheet evolved during different stages of landscape development. We discovered that early glaciations were limited in size by underwater landforms, but as these changed, the ice sheet expanded more rapidly. Our findings highlight the importance of considering landscape changes when studying ice-sheet history.
Jacob T. H. Anderson, Toshiyuki Fujioka, David Fink, Alan J. Hidy, Gary S. Wilson, Klaus Wilcken, Andrey Abramov, and Nikita Demidov
The Cryosphere, 17, 4917–4936, https://doi.org/10.5194/tc-17-4917-2023, https://doi.org/10.5194/tc-17-4917-2023, 2023
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Antarctic permafrost processes are not widely studied or understood in the McMurdo Dry Valleys. Our data show that near-surface permafrost sediments were deposited ~180 000 years ago in Pearse Valley, while in lower Wright Valley sediments are either vertically mixed after deposition or were deposited < 25 000 years ago. Our data also record Taylor Glacier retreat from Pearse Valley ~65 000–74 000 years ago and support antiphase dynamics between alpine glaciers and sea ice in the Ross Sea.
Adam C. Hawkins, Brian Menounos, Brent M. Goehring, Gerald Osborn, Ben M. Pelto, Christopher M. Darvill, and Joerg M. Schaefer
The Cryosphere, 17, 4381–4397, https://doi.org/10.5194/tc-17-4381-2023, https://doi.org/10.5194/tc-17-4381-2023, 2023
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Our study developed a record of glacier and climate change in the Mackenzie and Selwyn mountains of northwestern Canada over the past several hundred years. We estimate temperature change in this region using several methods and incorporate our glacier record with models of climate change to estimate how glacier volume in our study area has changed over time. Models of future glacier change show that our study area will become largely ice-free by the end of the 21st century.
Daniel Moreno-Parada, Jorge Alvarez-Solas, Javier Blasco, Marisa Montoya, and Alexander Robinson
The Cryosphere, 17, 2139–2156, https://doi.org/10.5194/tc-17-2139-2023, https://doi.org/10.5194/tc-17-2139-2023, 2023
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We have reconstructed the Laurentide Ice Sheet, located in North America during the Last Glacial Maximum (21 000 years ago). The absence of direct measurements raises a number of uncertainties. Here we study the impact of different physical laws that describe the friction as the ice slides over its base. We found that the Laurentide Ice Sheet is closest to prior reconstructions when the basal friction takes into account whether the base is frozen or thawed during its motion.
Greg Balco, Nathan Brown, Keir Nichols, Ryan A. Venturelli, Jonathan Adams, Scott Braddock, Seth Campbell, Brent Goehring, Joanne S. Johnson, Dylan H. Rood, Klaus Wilcken, Brenda Hall, and John Woodward
The Cryosphere, 17, 1787–1801, https://doi.org/10.5194/tc-17-1787-2023, https://doi.org/10.5194/tc-17-1787-2023, 2023
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Samples of bedrock recovered from below the West Antarctic Ice Sheet show that part of the ice sheet was thinner several thousand years ago than it is now and subsequently thickened. This is important because of concern that present ice thinning in this region may lead to rapid, irreversible sea level rise. The past episode of thinning at this site that took place in a similar, although not identical, climate was not irreversible; however, reversal required at least 3000 years to complete.
Benjamin J. Stoker, Martin Margold, John C. Gosse, Alan J. Hidy, Alistair J. Monteath, Joseph M. Young, Niall Gandy, Lauren J. Gregoire, Sophie L. Norris, and Duane Froese
The Cryosphere, 16, 4865–4886, https://doi.org/10.5194/tc-16-4865-2022, https://doi.org/10.5194/tc-16-4865-2022, 2022
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The Laurentide Ice Sheet was the largest ice sheet to grow and disappear in the Northern Hemisphere during the last glaciation. In northwestern Canada, it covered the Mackenzie Valley, blocking the migration of fauna and early humans between North America and Beringia and altering the drainage systems. We reconstruct the timing of ice sheet retreat in this region and the implications for the migration of early humans into North America, the drainage of glacial lakes, and past sea level rise.
Weilin Yang, Yingkui Li, Gengnian Liu, and Wenchao Chu
The Cryosphere, 16, 3739–3752, https://doi.org/10.5194/tc-16-3739-2022, https://doi.org/10.5194/tc-16-3739-2022, 2022
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We simulated the glacier evolutions in Bhutanese Himalaya during the LIA using OGGM. At the regional scale, four compelling glacial substages were reported, and a positive correlation between the number of glacial substages and the glacier slope was found. Based on the surface mass balance analysis, the study also indicated that the regional glacier advances are dominated by the reduction of summer ablation.
Matt O'Regan, Thomas M. Cronin, Brendan Reilly, Aage Kristian Olsen Alstrup, Laura Gemery, Anna Golub, Larry A. Mayer, Mathieu Morlighem, Matthias Moros, Ole L. Munk, Johan Nilsson, Christof Pearce, Henrieka Detlef, Christian Stranne, Flor Vermassen, Gabriel West, and Martin Jakobsson
The Cryosphere, 15, 4073–4097, https://doi.org/10.5194/tc-15-4073-2021, https://doi.org/10.5194/tc-15-4073-2021, 2021
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Ryder Glacier is a marine-terminating glacier in north Greenland discharging ice into the Lincoln Sea. Here we use marine sediment cores to reconstruct its retreat and advance behavior through the Holocene. We show that while Sherard Osborn Fjord has a physiography conducive to glacier and ice tongue stability, Ryder still retreated more than 40 km inland from its current position by the Middle Holocene. This highlights the sensitivity of north Greenland's marine glaciers to climate change.
Trevor R. Hillebrand, John O. Stone, Michelle Koutnik, Courtney King, Howard Conway, Brenda Hall, Keir Nichols, Brent Goehring, and Mette K. Gillespie
The Cryosphere, 15, 3329–3354, https://doi.org/10.5194/tc-15-3329-2021, https://doi.org/10.5194/tc-15-3329-2021, 2021
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We present chronologies from Darwin and Hatherton glaciers to better constrain ice sheet retreat during the last deglaciation in the Ross Sector of Antarctica. We use a glacier flowband model and an ensemble of 3D ice sheet model simulations to show that (i) the whole glacier system likely thinned steadily from about 9–3 ka, and (ii) the grounding line likely reached the Darwin–Hatherton Glacier System at about 3 ka, which is ≥3.8 kyr later than was suggested by previous reconstructions.
Alan Huston, Nicholas Siler, Gerard H. Roe, Erin Pettit, and Nathan J. Steiger
The Cryosphere, 15, 1645–1662, https://doi.org/10.5194/tc-15-1645-2021, https://doi.org/10.5194/tc-15-1645-2021, 2021
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We simulate the past 1000 years of glacier length variability using a simple glacier model and an ensemble of global climate model simulations. Glaciers with long response times are more likely to record global climate changes caused by events like volcanic eruptions and greenhouse gas emissions, while glaciers with short response times are more likely to record natural variability. This difference stems from differences in the frequency spectra of natural and forced temperature variability.
Nilendu Singh, Mayank Shekhar, Jayendra Singh, Anil K. Gupta, Achim Bräuning, Christoph Mayr, and Mohit Singhal
The Cryosphere, 15, 95–112, https://doi.org/10.5194/tc-15-95-2021, https://doi.org/10.5194/tc-15-95-2021, 2021
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Tree-ring isotope records from the central Himalaya provided a basis for previously lacking regional multi-century glacier mass balance (MB) reconstruction. Isotopic and climate coherency analyses specify an eastward-declining influence of the westerlies, an increase in east–west climate heterogeneity, and an increase in ice mass loss since the 1960s. Reasons for this are attributed to anthropogenic climate change, including concurrent alterations in atmospheric circulation patterns.
Emma L. M. Lewington, Stephen J. Livingstone, Chris D. Clark, Andrew J. Sole, and Robert D. Storrar
The Cryosphere, 14, 2949–2976, https://doi.org/10.5194/tc-14-2949-2020, https://doi.org/10.5194/tc-14-2949-2020, 2020
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We map visible traces of subglacial meltwater flow across Keewatin, Canada. Eskers are commonly observed to form within meltwater corridors up to a few kilometres wide, and we interpret different traces to have formed as part of the same integrated drainage system. In our proposed model, we suggest that eskers record the imprint of a central conduit while meltwater corridors represent the interaction with the surrounding distributed drainage system.
Andrew M. W. Newton, Mads Huuse, Paul C. Knutz, and David R. Cox
The Cryosphere, 14, 2303–2312, https://doi.org/10.5194/tc-14-2303-2020, https://doi.org/10.5194/tc-14-2303-2020, 2020
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Seismic reflection data offshore northwest Greenland reveal buried landforms that have been interpreted as mega-scale glacial lineations (MSGLs). These have been formed by ancient ice streams that advanced hundreds of kilometres across the continental shelf. The stratigraphy and available chronology show that the MSGLs are confined to separate stratigraphic units and were most likely formed during several glacial maxima after the onset of the Middle Pleistocene Transition at ~ 1.3 Ma.
Jan Erik Arndt, Robert D. Larter, Claus-Dieter Hillenbrand, Simon H. Sørli, Matthias Forwick, James A. Smith, and Lukas Wacker
The Cryosphere, 14, 2115–2135, https://doi.org/10.5194/tc-14-2115-2020, https://doi.org/10.5194/tc-14-2115-2020, 2020
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We interpret landforms on the seabed and investigate sediment cores to improve our understanding of the past ice sheet development in this poorly understood part of Antarctica. Recent crack development of the Brunt ice shelf has raised concerns about its stability and the security of the British research station Halley. We describe ramp-shaped bedforms that likely represent ice shelf grounding and stabilization locations of the past that may reflect an analogue to the process going on now.
Michelle Tigchelaar, Axel Timmermann, Tobias Friedrich, Malte Heinemann, and David Pollard
The Cryosphere, 13, 2615–2631, https://doi.org/10.5194/tc-13-2615-2019, https://doi.org/10.5194/tc-13-2615-2019, 2019
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The Antarctic Ice Sheet has expanded and retracted often in the past, but, so far, studies have not identified which environmental driver is most important: air temperature, snowfall, ocean conditions or global sea level. In a modeling study of 400 000 years of Antarctic Ice Sheet variability we isolated different drivers and found that no single driver dominates. Air temperature and sea level are most important and combine in a synergistic way, with important implications for future change.
Andreas Plach, Kerim H. Nisancioglu, Petra M. Langebroek, Andreas Born, and Sébastien Le clec'h
The Cryosphere, 13, 2133–2148, https://doi.org/10.5194/tc-13-2133-2019, https://doi.org/10.5194/tc-13-2133-2019, 2019
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Meltwater from the Greenland ice sheet (GrIS) rises sea level and knowing how the GrIS behaved in the past will help to become better in predicting its future. Here, the evolution of the past GrIS is shown to be dominated by how much ice melts (a result of the prevailing climate) rather than how ice flow is represented in the simulations. Therefore, it is very important to know past climates accurately, in order to be able to simulate the evolution of the GrIS and its contribution to sea level.
Joshua K. Cuzzone, Nicole-Jeanne Schlegel, Mathieu Morlighem, Eric Larour, Jason P. Briner, Helene Seroussi, and Lambert Caron
The Cryosphere, 13, 879–893, https://doi.org/10.5194/tc-13-879-2019, https://doi.org/10.5194/tc-13-879-2019, 2019
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We present ice sheet modeling results of ice retreat over southwestern Greenland during the last 12 000 years, and we also test the impact that model horizontal resolution has on differences in the simulated spatial retreat and its associated rate. Results indicate that model resolution plays a minor role in simulated retreat in areas where bed topography is not complex but plays an important role in areas where bed topography is complex (such as fjords).
Niall Gandy, Lauren J. Gregoire, Jeremy C. Ely, Christopher D. Clark, David M. Hodgson, Victoria Lee, Tom Bradwell, and Ruza F. Ivanovic
The Cryosphere, 12, 3635–3651, https://doi.org/10.5194/tc-12-3635-2018, https://doi.org/10.5194/tc-12-3635-2018, 2018
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We use the deglaciation of the last British–Irish Ice Sheet as a valuable case to examine the processes of contemporary ice sheet change, using an ice sheet model to simulate the Minch Ice Stream. We find that ice shelves were a control on retreat and that the Minch Ice Stream was vulnerable to the same marine mechanisms which threaten the future of the West Antarctic Ice Sheet. This demonstrates the importance of marine processes when projecting the future of our contemporary ice sheets.
Julien Seguinot, Susan Ivy-Ochs, Guillaume Jouvet, Matthias Huss, Martin Funk, and Frank Preusser
The Cryosphere, 12, 3265–3285, https://doi.org/10.5194/tc-12-3265-2018, https://doi.org/10.5194/tc-12-3265-2018, 2018
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About 25 000 years ago, Alpine glaciers filled most of the valleys and even extended onto the plains. In this study, with help from traces left by glaciers on the landscape, we use a computer model that contains knowledge of glacier physics based on modern observations of Greenland and Antarctica and laboratory experiments on ice, and one of the fastest computers in the world, to attempt a reconstruction of the evolution of Alpine glaciers through time from 120 000 years ago to today.
Johannes Oerlemans
The Cryosphere, 12, 3001–3015, https://doi.org/10.5194/tc-12-3001-2018, https://doi.org/10.5194/tc-12-3001-2018, 2018
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Monacobreen is a 40 km long surge-type tidewater glacier in northern Spitsbergen. The front is retreating fast. Calculations with a glacier model predict that due to future climate warming this glacier will have lost 20 to 40 % of its volume by the year 2100. Because of the glacier's memory, much of the response will come after 2100, even if the climatic conditions would stabilize.
Nicholas Holschuh, Knut Christianson, Howard Conway, Robert W. Jacobel, and Brian C. Welch
The Cryosphere, 12, 2821–2829, https://doi.org/10.5194/tc-12-2821-2018, https://doi.org/10.5194/tc-12-2821-2018, 2018
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Models of the Antarctic Sheet are tuned using observations of historic ice-sheet behavior, but we have few observations that tell us how inland ice behaved over the last few millennia. A 2 km tall volcano sitting under the ice sheet has left a record in the ice as it flows by, and that feature provides unique insight into the regional ice-flow history. It indicates that observed, rapid changes in West Antarctica flow dynamics have not affected the continental interior over the last 5700 years.
Perry Spector, John Stone, David Pollard, Trevor Hillebrand, Cameron Lewis, and Joel Gombiner
The Cryosphere, 12, 2741–2757, https://doi.org/10.5194/tc-12-2741-2018, https://doi.org/10.5194/tc-12-2741-2018, 2018
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Cosmogenic-nuclide analyses in bedrock recovered from below the West Antarctic Ice Sheet have the potential to establish whether and when large-scale deglaciation occurred in the past. Here we (i) discuss the criteria and considerations for subglacial drill sites, (ii) evaluate candidate sites in West Antarctica, and (iii) describe reconnaissance at three West Antarctic sites, focusing on the Pirrit Hills, which we present as a case study of site selection on the scale of an individual nunatak.
Johan Nilsson, Martin Jakobsson, Chris Borstad, Nina Kirchner, Göran Björk, Raymond T. Pierrehumbert, and Christian Stranne
The Cryosphere, 11, 1745–1765, https://doi.org/10.5194/tc-11-1745-2017, https://doi.org/10.5194/tc-11-1745-2017, 2017
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Recent data suggest that a 1 km thick ice shelf extended over the glacial Arctic Ocean during MIS 6, about 140 000 years ago. Here, we theoretically analyse the development and equilibrium features of such an ice shelf. The ice shelf was effectively dammed by the Fram Strait and the mean ice-shelf thickness was controlled primarily by the horizontally integrated mass balance. Our results can aid in resolving some outstanding questions of the state of the glacial Arctic Ocean.
R. Briggs, D. Pollard, and L. Tarasov
The Cryosphere, 7, 1949–1970, https://doi.org/10.5194/tc-7-1949-2013, https://doi.org/10.5194/tc-7-1949-2013, 2013
J. Alvarez-Solas, A. Robinson, and C. Ritz
The Cryosphere, 6, 687–693, https://doi.org/10.5194/tc-6-687-2012, https://doi.org/10.5194/tc-6-687-2012, 2012
Cited articles
Ackert, R.: Swinging gate or Saloon doors: Do we need a new model of Ross Sea deglaciation?, Fifteenth West Antarctic Ice Sheet Meeting, Sterling, Virginia, 8–11 October 2008.
Alley, R. B., Blankenship, D. D., Bentley, C. R., and Rooney, S. T.: Deformation of till beneath ice stream B, West Antarctica, Nature, 322, 57–59, https://doi.org/10.1038/322057a0, 1986.
Alley, R. B., Blankenship, D. D., Bentley, C. R., and Rooney, S. T.: Till beneath ice stream B, 4. Till deformation: evidence and implications, J. Geophys. Res., 92, 8921–8929, https://doi.org/10.1029/JB092iB09p08921, 1989.
Alley, R. B., Anandakrishnan, S., Dupont, T. K., Parizek, B. R., and Pollard, D.: Effect of sedimentation on ice-sheet grounding-line stability, Science, 315, 1838–1841, https://doi.org/10.1126/science.1138396, 2007.
Alonso, B., Anderson, J. B., Diaz, J. T., and Bartek, L. R.: Pliocene-Pleistocene seismic stratigraphy of the Ross Sea: evidence for multiple ice sheet grounding episodes, in: Contributions to Antarctic Research III, Antarctic Research Series, vol. 57, edited by: Elliot, D. H., American Geophysical Union, Washington D.C, 93–103, https://doi.org/10.1029/AR057p0093, 1992.
Anandakrishnan, S. and Alley, R. B.: Stagnation of ice stream C, West Antarctica by water piracy, Geophys. Res. Lett., 24, 265–268, https://doi.org/10.1029/96GL04016, 1997.
Anandakrishnan, S., Catania, G. A., Alley, R. B., and Horgan, H. J.: Discovery of till deposition at the grounding line of Whillans Ice Stream, Science, 315, 1835–1838, https://doi.org/10.1126/science.1138393, 2007.
Anderson, J. B.: Antarctic Marine Geology, Cambridge University Press, New York, 1999.
Anderson, J. B. and Bartek, L. R.: Cenozoic glacial history of the Ross Sea revealed by intermediate resolution seismic reflection data combined with drill site information, in Antarctic Research Series, vol. 56, edited by: Kennett, J. P., American Geophysical Union, Washington D.C., 231–263, https://doi.org/10.1029/AR056p0231, 1992.
Anderson, J. B. and Fretwell, L. O.: Geomorphology of the onset area of a paleo-ice stream, Marguerite Bay, Antarctic Peninsula, Earth Surf. Proc. Land, 33, 503–512, https://doi.org/10.1002/esp.1662, 2008.
Anderson, J. B., Brake, C. F., and Myers, N. C.: Sedimentation on the Ross Sea continental shelf, Antarctica, Mar. Geol., 57, 295–333, https://doi.org/10.1016/0025-3227(84)90203-2, 1984.
Anderson, J. B., Conway, H., Bart, P. J., Witus, A. E., Greenwood, S. L., McKay, R. M., Hall, B. L., Ackert, R. P., Licht, K., Jakobsson, M., and Stone, J. O.: Ross Sea Paleo-Ice Sheet Drainage and Deglacial History During and Since the LGM, Quaternary Sci. Rev., 100, 31–54, https://doi.org/10.1016/j.quascirev.2013.08.020, 2014.
Arneborg, L., Wåhlin, A. K., Björk, G., Liljebladh, B., and Orsi, A. H.: Persistent inflow of warm water onto the central Amundsen shelf, Nat. Geosci., 5, 876–880, https://doi.org/10.1038/ngeo1644, 2012.
Bart, P. J. and Cone, A. N.: Early stall of West Antarctic Ice Sheet advance on the eastern Ross Sea middle shelf followed by retreat at 27,500 14C yr BP, Palaeogeogr. Palaeocl., 335–336, 52–60, https://doi.org/10.1016/j.palaeo.2011.08.007, 2012.
Bart, P. J. and Owolana, B.: On the duration of West Antarctic Ice Sheet grounding events in Ross Sea during the Quaternary, Quaternary Sci. Rev., 47, 101–105, https://doi.org/10.1016/j.quascirev.2012.04.023, 2012.
Bart, P. J., Anderson, J. B., Trincardi, F., and Shipp, S. S.: Seismic data from the Northern Basin, Ross Sea, record multiple expansions of the East Antarctic Ice Sheet during the late Neogene, Mar. Geol., 166, 31–50, https://doi.org/10.1016/S0025-3227(00)00006-2, 2000.
Batchelor, C. L. and Dowdeswell, J. A.: Ice-sheet grounding-zone wedges (GZWs) on high-latitude continental margins, Mar. Geol., 363, 65–92, https://doi.org/10.1016/j.margeo.2015.02.001, 2015.
Benn, D. I. and Evans, D. J. A.: Glaciers and Glaciation, 2, Hodder Education, London, UK, 2010.
Bentley, M. J., O'Cofaigh, C., Anderson, J. B., Conway, H., Davies, B., Graham, A. G. C., Hillenbrand, C. D., Hodgson, D. A., Jamieson, S. S. R., Larter, R. D., Mackintosh, A., Smith, J. A., Verleyen, E., Ackert, R. P., Bart, P. J., Berg, S., Brunstein, D., Canals, M., Colhoun, E. A., Crosta, X., Dickens, W. A., Domack, E., Dowdeswell, J. A., Dunbar, R., Ehrmann, W., Evans, J., Favier, V., Fink, D., Fogwill, C. J., Glasser, N. F., Gohl, K., Golledge, N. R., Goodwin, I., Gore, D. B., Greenwood, S. L., Hall, B. L., Hall, K., Hedding, D. W., Hein, A. S., Hocking, E. P., Jakobsson, M., Johnson, J. S., Jomelli, V., Jones, R. S., Klages, J. P., Kristoffersen, Y., Kuhn, G., Leventer, A., Licht, K., Lilly, K., Lindow, J., Livingstone, S.J., Massè, G., McGlone, M. S., McKay, R. M., Melles, M., Miura, H., Mulvaney, R., Nel, W., Nitsche, F. O., O'Brien, P. E., Post, A. L., Roberts, S. J., Saunders, K. M., Selkirk, P. M., Simms, A. R., Spiegel, C., Stolldorf, T. D., Sugden, D. E., van der Putten, N., van Ommen, T., Verfaillie, D., Vyverman, W., Wagner, B., White, D. A., Witus, A. E., and Zwartz, D.: A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum, Quaternary Sci. Rev., 100, 1–9, https://doi.org/10.1016/j.quascirev.2014.06.025, 2014.
Bevis, M., Kendrick, E., Smalley, R., Dalziel, I., Caccamise, D., Sasgen, I., Helsen, M., Taylor, F. W., Zhou, H., Brown, A., Raleigh, D., Willis, M., Wilson, T., and Konfal, S.: Geodetic measurements of vertical crustal velocity in West Antarctica and the implications for ice mass balance, Geochem. Geophys. Geosyst., 10, Q10005, https://doi.org/10.1029/2009GC002642, 2009.
Boulton, G. S., Dobbie, K. E., and Zatsepin, S.: Sediment deformation beneath glaciers and its coupling to the subglacial hydraulic system, Quatern. Int., 86, 3–28, https://doi.org/10.1016/S1040-6182(01)00048-9, 2001.
Brancolini, G.: ANDOSTRAT Project, in: Geology and Seismic Stratigraphy of the Antarctic Margin, Antarctic Research Series, edited by: Cooper, A. K., Barker, P. F., and Brancolini, G., vol. 68, American Geophysical Union, Washington D.C., 1995.
Brunt, K. M., Fricker, H. A., Padman, L., Scambos, T. A., and O'Neel, S.: Mapping the grounding zone of Ross Ice Shelf, Antarctica, using ICESat laser altimetry, Ann. Glaciol., 51, 71–79, https://doi.org/10.3189/172756410791392790, 2010.
Clark, C. D.: Mega-scale glacial lineations and cross-cutting ice flow landforms, Earth Surf. Proc. Land., 18, 1–29, https://doi.org/10.1002/esp.3290180102, 1993.
Clark, C. D.: Glaciodynamic context of subglacial bedform generation and preservation, Ann. Glaciol., 28, 23–32, https://doi.org/10.3189/172756499781821832, 1999.
Conway, H., Hall, B. L., Denton, G. H., Gades, A. M., and Waddington, E. D.: Past and future grounding-line retreat of the West Antarctic Ice Sheet, Science, 286, 280–283, https://doi.org/10.1126/science.286.5438.280, 1999.
Cooper, A. K., Barrett, P. J., Hinz, K., Traube, V., Leitchenkov, G., and Stagg, H. M. J.: Cenozoic prograding sequences of the Antarctic continental margin – a record of glacioeustatic and tectonic events, Mar. Geol., 102, 175–213, https://doi.org/10.1016/0025-3227(91)90008-R, 1991.
Cunningham, W. L., Leventer, A., Andrews, J. T., Jennings, A. E., and Licht, K. J.: Late Pleistocene–Holocene marine conditions in the Ross Sea, Antarctica: evidence from the diatom record, The Holocene, 9, 129–139, https://doi.org/10.1191/095968399675624796, 1999.
DeConto, R. M. and Pollard, D.: Contribution of Antarctica to past and future sea-level rise, Nature, 531, 591–597, https://doi.org/10.1038/nature17145, 2016.
DeSantis, L., Anderson, J. B., Brancolini, G., and Zayatz, I.: Glaciomarine deposits on the continental shelf of Ross Sea, Antarctica, in: Glaciated Continental Margins: An Atlas of Acoustic Images, edited by: Davies, T. A., Bell, T., Cooper, A. K., Josenhans, H., Polyak, L., Solheim, A., Stoker, M. S., and Stravers, J. A., Chapman & Hall, London, UK, 110–113, 1997.
Denton, G. H. and Marchant, D.: The geologic basis for a reconstruction of a grounded ice sheet in McMurdo Sound, Antarctica, at the last glacial maximum, Geogr. Ann. A., 82, 167–212, https://doi.org/10.1111/j.0435-3676.2000.00121.x, 2000.
Dowdeswell, J. A. and Fugelli, E. M. G.: The seismic architecture and geometry of grounding-zone wedges formed at the marine margins of past ice sheets, Geol. Soc. Am. Bull., 124, 1750–1761, https://doi.org/10.1130/B30628.1, 2012.
Dowdeswell, J. A., Ó Cofaigh, C., and Pudsey, C. J.: Thickness and extent of the subglacial till layer beneath an Antarctic paleo–ice stream, Geology, 32, 13–16, https://doi.org/10.1130/G19864.1, 2004.
Dowdeswell, J. A., Ottesen, D., Evans, J., O'Cofaigh, C. O., and Anderson, J. B.: Submarine glacial landforms and rates of ice-stream collapse, Geology, 36, 819–822, https://doi.org/10.1130/G24808A.1, 2008.
Dupont, T. K. and Alley, R. B.: Assessment of the importance of ice-shelf buttressing to ice-sheet flow, Geophys. Res. Lett., 32, L04503, https://doi.org/10.1029/2004GL022024, 2005.
Evans, J., Pudsey, C. J., Ó Cofaigh, C., Morris, P. W., and Domack, E. W.: Late Quaternary glacial history, dynamics and sedimentation of the eastern margin of the Antarctic Peninsula Ice Sheet, Quaternary Sci. Rev., 24, 741–774, https://doi.org/10.1016/j.quascirev.2004.10.007, 2005.
Farmer, G. L., Licht, K., Swope, R. J., and Andrews, J. T.: Isotopic constraints on the provenance of fine-grained sediment in LGM tills from the Ross Embayment, Antarctica, Earth Planet. Sc. Lett., 249, 90–107, https://doi.org/10.1016/j.epsl.2006.06.044, 2006.
Fowler, A. C.: The formation of subglacial streams and mega-scale glacial lineations, P. Roy. Soc. A-Math. Phy., 466, 3181–3201, https://doi.org/10.1098/rspa.2010.0009, 2010.
Fretwell, P., Pritchard, H. D., Vaughan, D. G., Bamber, J. L., Barrand, N. E., Bell, R., Bianchi, C., Bingham, R. G., Blankenship, D. D., Casassa, G., Catania, G., Callens, D., Conway, H., Cook, A. J., Corr, H. F. J., Damaske, D., Damm, V., Ferraccioli, F., Forsberg, R., Fujita, S., Gim, Y., Gogineni, P., Griggs, J. A., Hindmarsh, R. C. A., Holmlund, P., Holt, J. W., Jacobel, R. W., Jenkins, A., Jokat, W., Jordan, T., King, E. C., Kohler, J., Krabill, W., Riger-Kusk, M., Langley, K. A., Leitchenkov, G., Leuschen, C., Luyendyk, B. P., Matsuoka, K., Mouginot, J., Nitsche, F. O., Nogi, Y., Nost, O. A., Popov, S. V., Rignot, E., Rippin, D. M., Rivera, A., Roberts, J., Ross, N., Siegert, M. J., Smith, A. M., Steinhage, D., Studinger, M., Sun, B., Tinto, B. K., Welch, B. C., Wilson, D., Young, D. A., Xiangbin, C., and Zirizzotti, A.: Bedmap2: improved ice bed, surface and thickness datasets for Antarctica, The Cryosphere, 7, 375–393, https://doi.org/10.5194/tc-7-375-2013, 2013.
Fricker, H. A. and Padman L.: Ice shelf grounding zone structure from ICESat laser altimetry, Geophys. Res. Lett., 33, L15502, https://doi.org/10.1029/2006GL026907, 2006.
Gales, J. A., Larter, R. D., Mitchell, N. C., Hillenbrand, C.-D., Østerhus, S., and Shoosmith, D. R.: Southern Weddell Sea shelf edge geomorphology: implications for gully formation by the overflow of high-salinity water, J. Geophys. Res., 117, F0402, https://doi.org/10.1029/2012JF002357, 2012.
Golledge, N. R., Levy, R. H., McKay, R. M., Fogwill, C. J., White, D. A., Graham, A. G. C., Smith, J. A., Hillenbrand, C.-D., Licht, K. J., Denton, G. H., Ackert, R. P., Maas, S. M., and Hall, B. L.: Glaciology and geological signature of the Last Glacial Maximum Antarctic ice sheet, Quaternary Sci. Rev., 78, 225–247, https://doi.org/10.1016/j.quascirev.2013.08.011, 2013.
Golledge, N. R., Menviel, L., Carter, L., Fogwill, C. J., England, M. H., Cortese, G., and Levy, R. H.: Antarctic contribution to meltwater pulse 1A from reduced Southern Ocean overturning, Nat. Commun., 5, 5107, https://doi.org/10.1038/ncomms6107, 2014.
Graham, A. G. C., Later, R. D., Gohl, K., Hillenbrand, C.-D, Smith, J. A., and Kuhn, G.: Bedform signature of a West Antarctic palaeo-ice stream reveals a multi-temporal record of flow and substrate control, Quaternary Sci. Rev., 28, 2774–279, https://doi.org/10.1016/j.quascirev.2009.07.003, 2009.
Graham, A. G. C., Dutrieuz, P., Vaughan, D. G., Nitsche, F. O., Gyllencreutz, R., Greenwood, S. L., Larter, R. D., and Jenkins, A.: Seabed corrugations beneath an Antarctic ice shelf revealed by autonomous underwater vehicle survey: Origin and implications for the history of Pine Island Glacier, J. Geophys. Res., 118, 1356–1366, https://doi.org/10.1002/jgrf.20087, 2013.
Greenwood, S. L., Gyllencreutz, R., Jakobsson, M., and Anderson, J. B.: Ice-flow switching and East/West Antarctic Ice Sheet roles in glaciation of the western Ross Sea, Geol. Soc. Am. Bull., 124, 1736–1749, https://doi.org/10.1130/B30643.1, 2012.
Hall, B. L. and Denton, G. H.: Radiocarbon Chronology of Ross Sea Drift, Eastern Taylor Valley, Antarctica: Evidence for a Grounded Ice Sheet in the Ross Sea at the Last Glacial Maximum, Geogr. Ann. A., 82, 205–336, https://doi.org/10.1111/j.0435-3676.2000.00127.x, 2000.
Hall, B. L., Baroni, C., and Denton, G. H.: Holocene relative sea-level history of the Southern Victoria Land Coast, Antarctica, Global Planet. Change, 42, 241–263, https://doi.org/10.1016/j.gloplacha.2003.09.004, 2004.
Hall, B. L., Henderson, G. M., Baroni, C., and Kellogg, T. B.: Constant Holocene Southern-Ocean 14C reservoir ages and ice-shelf flow rates, Earth Planet. Sc. Lett., 296, 115–123, https://doi.org/10.1016/j.epsl.2010.04.054, 2010.
Hall, B. L., Denton, G. H., Stone, J. O., and Conway, H.: History of the grounded ice sheet in the Ross Sea sector of Antarctica during the Last Glacial Maximum and the last termination, Geol. Soc. Lond., 381, 167–181, https://doi.org/10.1144/SP381.5, 2013.
Hall, B. L., Denton, G. H., Heath, S. L., Jackson, M. S., and Koffman, T. N.: Accumulation and marine forcing of ice dynamics in the western Ross Sea during the last deglaciation, Nat. Geosci., 8, 625–628, https://doi.org/10.1038/ngeo2478, 2015.
Heroy, D. C. and Anderson, J. B.: Ice-sheet extent of the Antarctic Peninsula region during the Last Glacial Maximum (LGM) – insights from glacial geomorphology, Geol. Soc. Am. Bull., 117, 1497–1512, https://doi.org/10.1130/B25694.1, 2005.
Hoppe, G.: Glacial morphology and inland ice recession in northern Sweden, Geogr. Ann., 41, 193–212, 1959.
Howat, I. M. and Domack, E. W.: Reconstructions of western Ross Sea palaeo-ice-stream grounding zones from high-resolution acoustic stratigraphy, Boreas, 32, 56–75, https://doi.org/10.1111/j.1502-3885.2003.tb01431.x, 2003.
Jakobsson, M., Anderson, J. B., Nitsche, F. O., Dowdeswell, J. A., Gyllencreutz, R., Kirchner, N., Mohammad, R., O'Regan, M., Alley, R. B., Anandakrishnan, S., Eriksson, B., Kirshner, A., Fernandez, R., Stolldorf, T., Minzoni, R., and Majewski, W.: Geological record of ice shelf break-up and grounding line retreat, Pine Island Bay, West Antarctica, Geology, 39, 691–694, https://doi.org/10.1130/G32153.1, 2011.
Jakobsson, M., Anderson, J. B., Nitsche, F. O., Gyllencreutz, R., Kirshner, A. E., Kirchner, N., O'Regan, M., Mohammad, R., and Eriksson, B.: Ice sheet retreat dynamics inferred from glacial morphology of the central Pine Island Bay Trough, West Antarctica, Quaternary Sci. Rev., 38, 1–10, https://doi.org/10.1016/j.quascirev.2011.12.017, 2012.
Jamieson, S. S. R., Vieli, A., Livingstone, S. J., Ó. Cofaigh, C. , Stokes, C., Hillenbrand, C.-D., and Dowdeswell, J. A.: Ice-stream stability on a reverse bed slope, Nat. Geosci., 5, 799–802, https://doi.org/10.1038/ngeo1600, 2012.
Jones, R. S., Mackintosh, A. N., Norton, K. P., Golledge, N. R., Fogwill, C. J., Kubik, P. W., Christl, M., and Greenwood, S. L.: Rapid Holocene thinning of an East Antarctic outlet glacier driven by marine ice sheet instability, Nat. Commun., 6, 8910, https://doi.org/10.1038/ncomms9910, 2015.
Joughin, I. and Tulaczyk, S.: Positive mass balance of the Ross Ice Streams, West Antarctica, Science, 295, 476–480, https://doi.org/10.1126/science.1066875, 2002.
King, E. C., Hindmarsh, R. C., and Stokes, C. R.: Formation of mega-scale glacial lineations observed beneath a West Antarctic ice stream, Nat. Geosci., 2, 585–588, https://doi.org/10.1038/ngeo581, 2009
Klages, J. P., Kuhn, G., Hillenbrand, C.-D., Graham, A. G. C., Smith, J. A., Larter, R. D., and Gohl, K.: First geomorphological record and glacial history of an inter-ice stream ridge on the West Antarctic continental shelf, Quaternary Sci. Rev., 61, 47–61, https://doi.org/10.1016/j.quascirev.2012.11.007, 2013.
Klages, J. P., Kuhn, G., Graham, A. G. C., Hillenbrand, C.-D., Smith, J. A., Nitsche, F. O., Larter, R. D., and Gohl, K.: Palaeo-ice stream pathways and retreat style in the easternmost Amundsen Sea Embayment, West Antarctica, revealed by combined multibeam bathymetric and seismic data, Geomorphology, 245, 207–222, https://doi.org/10.1016/j.geomorph.2015.05.020, 2015.
Kleman, J. and Glasser, N. F.: The subglacial thermal organisation (STO) of ice sheets, Quaternary Sci. Rev., 26, 585–597, https://doi.org/10.1016/j.quascirev.2006.12.010, 2007.
Larter, R. D., Graham, A. G. C., Gohl, K., Kuhn, G., Hillenbrand, C.-D., Smith, J. A., Deen, T. J., Livermore, R. A., and Schenke, H.-W.: Subglacial bedforms reveal complex basal regime in a zone of paleo-ice stream convergence, Amundsen Sea embayment, West Antarctica, Geology, 37, 411–414, https://doi.org/10.1130/G25505A.1, 2009.
Larter, R. D., Graham, A. G. C., Hillenbrand, C.-D., Smith, J. A., and Gales, J. A.: Late Quaternary grounded ice extent in the Filchner Trough, Weddell Sea, Antarctica: New marine geophysical evidence, Quaternary Sci. Rev., 53, 111–122, https://doi.org/10.1016/j.quascirev.2012.08.006, 2012.
Lawver, L. A., Royer, J. Y., Sandwell, D. T., and Scotse, C. R.: Evolution of the Antarctic continental margin, in: Geological Evolution of Antarctica, edited by: Thomson, M. R. A., Crame, J. A., and Thomson, J. W., Cambridge University Press, Cambridge, UK, 533–540, 1991.
Licht, K. and Andrews, J. T.: A 14C record of late Pleistocene ice advance and retreat in the central Ross Sea, Antarctica, Arct. Antarct. Alp. Res., 34, 324–333, https://doi.org/10.2307/1552491, 2002.
Licht, K. J., Jennings, A. E., Andrews, J. T., and Williams, K. M: Chronology of late Wisconsin ice retreat from the western Ross Sea, Antarctica, Geology, 24, 223–226, 1996.
Licht, K., Dunbar, N., Andrews, J. T., and Jennings, A. E.: Distinguishing subglacial till and glacial marine diamictons in the western Ross Sea, Antarctica: implications for a last glacial maximum grounding line, Geol. Soc. Am. Bull., 111, 91–103, https://doi.org/ 10.1130/0016-7606(1999)111<0091:DSTAGM>2.3.CO;2, 1999.
Licht, K. J., Lederer, J. R., and Swope, R. J.: Provenance of LGM glacial till (sand fraction) across the Ross Embayment, Antarctica, Quaternary Sci. Rev., 24, 1499–1520, https://doi.org/10.1016/j.quascirev.2004.10.017, 2005.
Lindén, M. and Möller, P.: Marginal formation of De Geer moraines and their implications to the dynamics of grounding-line recession, J. Quaternary Sci., 20, 113–133, https://doi.org/10.1002/jqs.902, 2005.
Livingstone, S. J., O' Cofaigh, C., Stokes, C. R., Hillenbrand, C.-D., Vieli, A., and Jamieson, S. S. R.: Antarctic palaeo-ice streams, Earth-Sci. Rev., 111, 90–128, https://doi.org/10.1016/j.earscirev.2011.10.003, 2012.
Lowe, A. L. and Anderson, J. B.: Evidence for abundant subglacial meltwater beneath the paleo-ice sheet in Pine Island Bay, Antarctica, J. Glaciol., 49, 125–138, https://doi.org/10.3189/172756503781830971, 2003.
MacAyeal, D. R., Scambos, T. A., Hulbe, C. L., and Fahnestock, M. A.: Catastrophic ice-shelf break-up by an ice-shelf-fragment-capsize mechanism, J. Glaciol., 49, 22–36, https://doi.org/10.3189/172756503781830863, 2003.
Matsuoka, K., Hindmarsh, R. C. A., Moholdt, G., Bentley, M. J., Pritchard, H. D., Brown, J., Conway, H., Drews, R., Durand, G., Goldberg, D., Hattermann, T., Kingslake, J., Lenaerts, J. T. M., Martín, C., Mulvaney, R., Nicholls, K. W., Pattyn, F., Ross, N., Scambos, T. A., and Whitehouse, P. L.: Antarctic ice rises and rumples: Their properties and significance for ice-sheet dynamics and evolution, Earth-Sci. Rev., 150, 724–745, https://doi.org/10.1016/j.earscirev.2015.09.004, 2015.
McKay, R. M., Dunbar, G. B., Naish, T. R., Barrett, P. J., Carter, L., and Harper, M.: Retreat history of the Ross Ice Sheet (Shelf) since the Last Glacial Maximum from deep-basin sediment cores around Ross Island, Palaeogeogr., Palaeocl., 260, 245–261, https://doi.org/10.1016/j.palaeo.2007.08.015, 2008.
McKay, R., Golledge, N. R., Maas, S., Naish, T., Levy, R., Dunbar, G., and Kuhn, G.: Antarctic marine ice-sheet retreat in the Ross Sea during the early Holocene, Geology, 44, 7–10, https://doi.org/10.1130/G37315.1, 2016.
Mercer, J. H.: West Antarctic Ice Sheet and CO2 greenhouse effect: a threat of disaster, Nature, 271, 321–325, 1978.
Mosola, A. B. and Anderson, J. B.: Expansion and rapid retreat of the West Antarctic Ice Sheet in Eastern Ross Sea: possible consequence of over extended ice streams?, Quaternary Sci. Rev., 25, 2177–2196, https://doi.org/10.1016/j.quascirev.2005.12.013, 2006.
Nitsche, F. O., Gohl, K., Larter, R. D., Hillenbrand, C.-D., Kuhn, G., Smith, J. A., Jacobs, S., Anderson, J. B., and Jakobsson, M.: Paleo ice flow and subglacial meltwater dynamics in Pine Island Bay, West Antarctica, The Cryosphere, 7, 249–262, https://doi.org/10.5194/tc-7-249-2013, 2013.
Ó Cofaigh, C., Pudsey, C. J., Dowdeswell, J. A., and Morris, P.: Evolution of subglacial bedforms along a paleo-ice stream, Antarctic Peninsula continental shelf, Geophys. Res. Lett., 29, 41-1–41-4, https://doi.org/10.1029/2001GL014488, 2002.
Ó Cofaigh, C., Dowdeswell, J. A., Allen, C. S., Hiemstra, J., Pudsey, C. J., Evans, J., and Evans, D. J. A.: Flow dynamics and till genesis associated with a marine-based Antarctic palaeo-ice stream, Quaternary Sci. Rev., 24, 709–740, https://doi.org/10.1016/j.quascirev.2004.10.006, 2005.
Ó Cofaigh, C., Dowdeswell, J. A., Evans, J., and Larter, R. D.: Geological constraints on Antarctic palaeo–ice stream retreat rates, Earth Surf. Proc. Land., 33, 513–525, https://doi.org/10.1002/esp.1669, 2008.
Parizek, B. R. and Alley, R. B.: Ice thickness and isostatic imbalances in the Ross Embayment, West Antarctica: model results, Global Planet. Change, 42, 265–278, https://doi.org/10.1016/j.gloplacha.2003.09.005, 2004.
Pollard, D. and DeConto, R. M.: Modelling West Antarctic ice sheet growth and collapse through the past five million years, Nature, 458, 329–332, https://doi.org/10.1038/nature07809, 2009.
Rignot, E. J.: Fast Recession of a West Antarctic Glacier, Science, 281, 549–551, https://doi.org/10.1126/science.281.5376.549, 1998.
Shaw, J., Pugin, A., and Young, R. R.: A meltwater origin for Antarctic shelf bedforms with special attention to megalineations, Geomorphology, 102, 364–375, https://doi.org/10.1016/j.geomorph.2008.04.005, 2008.
Shipp, S., Anderson, J., and Domack, E.: Late Pleistocene-Holocene retreat of the West Antarctic Ice Sheet system in the Ross Sea: Part 1 – geophysical results, Geol. Soc. Am. Bull., 111, 1486–1516, https://doi.org/10.1130/0016-7606(1999)111<1486:LPHROT>2.3.CO;2, 1999.
Shipp, S. S., Wellner, J. S., and Anderson, J. B.: Retreat signature of a polar ice stream: sub-glacial geomorphic features and sediments from the Ross Sea, Antarctica, in: Glacier-influenced Sedimentation on High Latitude Continental Margins, edited by: Dowdeswell, J. A. and O' Cofaigh, C., Geol. Soc. Lond., 203, 277–304, 2002.
Simkins, L. M., Anderson, J. B., and Greenwood, S. L.: Glacial landform assemblage reveals complex retreat of grounded ice in the Ross Sea, Antarctica, in: Atlas of Submarine Glacial Landforms: Modern, Quaternary and Ancient, edited by: Dowdeswell, J. A., Canals, M., Jakobsson, M., Todd, B. J., Dowdeswell, E. K., and Hogan, K. A., Geol. Soc. Lond. Memoirs, 46, 1–4, https://doi.org/10.1144/M46.168, in press, 2016.
Smith, J. A., Hillenbrand, C. D., Larter, R. D., Graham, A. G., and Kuhn, G.: The sediment infill of subglacial meltwater channels on the West Antarctic continental shelf, Quaternary Res., 71, 190–200, https://doi.org/10.1016/j.yqres.2008.11.005, 2009.
Spagnolo, M., Clark, C. D., Ely, J. C., Stokes, C. R., Anderson, J. B., Andreassen, K., Graham, A. C. G., and King, E. C.: Size, shape and spatial arrangement of mega-scale glacial lineations from a large and diverse dataset, Earth Surf. Proc. Land., 39, 1432–1448, https://doi.org/10.1002/esp.3532, 2014.
Stearns, L., Smith, B., and Hamilton, G.: Increased flow speed on a large East Antarctic outlet glacier caused by subglacial floods, Nat. Geosci., 1, 827–831, https://doi.org/10.1038/ngeo356, 2008.
Stokes, C. R. and Clark, C. D.: Geomorphological criteria for identifying Pleistocene ice streams, Ann. Glaciol., 28, 67–74, https://doi.org/10.3189/172756499781821625, 1999.
Stokes, C. R., Clark, C. D., Lian, O. B., and Tulaczyk, S.: Ice stream sticky spots: A review of their identification and influence beneath contemporary and palaeo-ice streams, Earth-Sci. Rev., 81, 217–249, https://doi.org/10.1016/j.earscirev.2007.01.002, 2007.
Stokes, C. R., Clark, C. D., and Storrar, R.: Major changes in ice stream dynamics during deglaciation of the north-western margin of the Laurentide Ice Sheet, Quaternary Sci. Rev., 28, 721–738, https://doi.org/10.1016/j.quascirev.2008.07.019, 2009.
Stone, J. O., Balco, G. A., Sugden, D. E., Caffee, M. W., Sass, L. C., Cowdery, S. G., and Siddoway, C.: Holocene Deglaciation of Marie Byrd Land, West Antarctica, Science, 299, 99–102, https://doi.org/10.1126/science.1077998, 2003.
Taviani, M., Reid, D. E., and Anderson, J. B.: Skeletal and isotopic composition and paleoclimatic significance of Late Pleistocene carbonates, Ross Sea, Antarctica, J. Sediment. Petrol., 63, 84–90, 1993.
Todd, B. J., Valentine, P. C., Longva, O., and Shaw, J.: Glacial landforms on German Bank, Scotian Shelf: evidence for late Wisconsinan ice-sheet dynamics and implications for the formation of De Geer moraines, Boreas, 36, 148–169, https://doi.org/10.1111/j.1502-3885.2007.tb01189.x, 2007.
Tulaczyk, S. M., Scherer, R. P., and Clark, C. D.: A ploughing model for the origin of weak tills beneath ice streams: a qualitative treatment, Quatern. Int., 86, 59–70, https://doi.org/10.1016/S1040-6182(01)00050-7, 2001.
Waddington, E. D., Conway, H., Steig, E. J., Alley, R. B., Brook, E. J., Taylor, K. C., and White, J. W. C.: Decoding the dipstick: thickness of Siple Dome, West Antarctica, at the last glacial maximum, Geology, 33, 281–284, https://doi.org/10.1130/G21165.1, 2005.
Walker, R. T., Parizek, B. R., Alley, R. B., Anandakrishnan, S., Riverman, K. L., and Christianson, K.: Ice-shelf tidal flexure and subglacial pressure variations, Earth Planet. Sci. Lett., 361, 422–428, https://doi.org/10.1016/j.epsl.2012.11.008, 2013.
Wellner, J. S., Lowe, A. L., Shipp, S. S., and Anderson, J. B.: Distribution of glacial geomorphic features on the Antarctic continental shelf and correlation with substrate: implications for ice behaviour, J. Glaciol., 47, 397–411, https://doi.org/10.3189/172756501781832043, 2001.
Wellner, J. S., Heroy, D. C., and Anderson, J. B.: The death mask of the Antarctic Ice Sheet: Comparison of glacial geomorphic features across the continental shelf, Geomorphology 75, 157–171, https://doi.org/10.1016/j.geomorph.2005.05.015, 2006.
Winkelmann, D., Jokat, W., Jensen, L., and Schenke, H.-W.: Submarine end moraines on the continental shelf off NE Greenland – Implications for Lateglacial dynamics, Quaternary Sci. Rev., 29, 1069–1077, https://doi.org/10.1016/j.quascirev.2010.02.002, 2010.
Winsborrow, M. C., Stokes, C. R., and Andreassen, K.: Ice-stream flow switching during deglaciation of the southwestern Barents Sea, Geol. Soc. Am. Bull., 124, 275–290, https://doi.org/10.1130/B30416.1, 2012.
Witus, A. E., Branecky, C. M., Anderson, J. B., Szczuciński, W., Schroeder, D. M., Blankenship, D. D., and Jakobsson, M.: Meltwater intensive glacial retreat in polar environments and investigation of associated sediments: example from Pine Island Bay, West Antarctica, Quaternary Sci. Rev., 85, 99–118, https://doi.org/10.1016/j.quascirev.2013.11.021, 2014.
Yokoyama, Y., Anderson, J. B., Yamane, M. Simkins, L. M., Miyairi, Y., Yamazaki, T., Koizumi, M., Suga, H., Kusahara, K., Prothro, L., Hasumi, H., Southon, J. R., and Ohkouchi, N.: Widespread collapse of the Ross Ice Shelf during the late Holocene, P. Natl. Acad. Sci. USA, 113, 2354–2359, https://doi.org/10.1073/pnas.1516908113, 2016.
Zwally, H. J., Abdalati, W., Herring, T., Larson, K., Saba, J., and Steffen, K.: Surface Melt-Induced Acceleration of Greenland Ice-Sheet Flow, Science, 297, 218–222, https://doi.org/10.1126/science.1072708, 2002.
Short summary
Geomorphic features on the Ross Sea sea floor provide a record of ice-sheet behaviour during the Last Glacial Maximum and subsequent retreat. Based on extensive mapping of these glacial landforms, a large embayment formed in the eastern Ross Sea. This was followed by complex, late-stage retreat in the western Ross Sea where banks stabilised the ice sheet. Physiography and sea floor geology act as regional controls on ice-sheet dynamics across the Ross Sea.
Geomorphic features on the Ross Sea sea floor provide a record of ice-sheet behaviour during the...
