Antarctic ice rises and rumples: Their properties and significance for ice-sheet dynamics and evolution
Kenichi Matsuoka,Richard C. A. Hindmarsh,Geir Moholdt,Michael J. Bentley,Hamish D. Pritchard,Joel Brown,Howard Conway,Reinhard Drews,Gaël Durand,Daniel Goldberg,Tore Hattermann,Jonathan Kingslake,Jan T. M. Lenaerts,Carlos Martín,Robert Mulvaney,Keith W. Nicholls,Frank Pattyn,Neil Ross,Ted Scambos,Pippa L. Whitehouse +19 more
TL;DR: In this article, the authors evaluate and improve prognostic numerical models and parameterizations of the effects of small-scale pinning points on grounding-zone dynamics, which is needed to assess their impact on ice-sheet behavior.
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About: This article is published in Earth-Science Reviews. The article was published on 01 Nov 2015. and is currently open access. The article focuses on the topics: Ice shelf & Ice divide.
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Citations
Quantarctica, an integrated mapping environment for Antarctica, the Southern Ocean, and sub-Antarctic islands
Kenichi Matsuoka,Anders Skoglund,George Roth,Jean de Pomereu,Huw J. Griffiths,R. K. Headland,Brad Herried,Katsuro Katsumata,Anne M. Le Brocq,Kathy J. Licht,Fraser Morgan,Fraser Morgan,Peter Neff,Catherine Ritz,Mirko Scheinert,Takeshi Tamura,Anton Van de Putte,Michiel R. van den Broeke,Angela von Deschwanden,César Deschamps-Berger,Brice Van Liefferinge,Stein Tronstad,Yngve Melvær +22 more
TL;DR: Quantarctica provides an integrated environment to view and analyse multiple Antarctic datasets together conveniently and with a low entry barrier.
280
Observing and Modeling Ice Sheet Surface Mass Balance
TL;DR: This review presents the state‐of‐the‐art knowledge and recent advances in ice sheet SMB observations and models, highlight current shortcomings, and propose future directions.
250
Antarctic surface temperature and elevation during the Last Glacial Maximum
Christo Buizert,Tyler J. Fudge,William H. G. Roberts,Eric J. Steig,Sam Sherriff-Tadano,Catherine Ritz,Eric Lefebvre,J. S. Edwards,Kenji Kawamura,Kenji Kawamura,Kenji Kawamura,Ikumi Oyabu,Hideaki Motoyama,Emma C. Kahle,Tyler R. Jones,Ayako Abe-Ouchi,Takashi Obase,Carlos Martín,Hugh F. J. Corr,Jeffrey P. Severinghaus,R. Beaudette,Jenna Epifanio,Edward J. Brook,Kaden Martin,Jérôme Chappellaz,Shuji Aoki,Takakiyo Nakazawa,Todd A Sowers,Richard B. Alley,Jinho Ahn,Michael Sigl,Mirko Severi,Nelia Dunbar,Anders Svensson,John M. Fegyveresi,Chengfei He,Zhengyu Liu,Jiang Zhu,Bette L. Otto-Bliesner,Vladimir Ya. Lipenkov,Masa Kageyama,Jakob Schwander +41 more
TL;DR: In this paper, the authors reconstruct the magnitude and spatial pattern of Last Glacial Maximum surface cooling in Antarctica using borehole thermometry and firn properties in seven ice cores, and show that East Antarctic sites show a range from 4° to 7°C cooling, consistent with the results of global climate models when the effects of topographic changes indicated with ice core air-content data are included, but less than those indicated with the use of water-stable isotopes calibrated against modern spatial gradients.
Extensive retreat and re-advance of the West Antarctic Ice Sheet during the Holocene
Jonathan Kingslake,Reed P. Scherer,Torsten Albrecht,J.J. Coenen,Ross D. Powell,Ronja Reese,Nathan D. Stansell,Slawek Tulaczyk,M. Wearing,Pippa L. Whitehouse +9 more
TL;DR: Radiocarbon dating of sediment cores and ice-penetrating radar observations are used to demonstrate that the West Antarctic Ice Sheet has not retreated progressively during the Holocene epoch, but has instead showed periods of retreat and re-advance.
Glacial isostatic adjustment modelling: historical perspectives, recent advances, and future directions
Pippa L. Whitehouse
- 29 May 2018
TL;DR: Glacial isostatic adjustment (GIA) describes the response of the solid Earth, the gravitational field, and the oceans to the growth and decay of the global ice sheets as mentioned in this paper.
References
Derived Characteristics of the Ross Ice Shelf, Antarctica
TL;DR: In this paper, the authors used the Ross Ice Shelf Geophysical and Glaciological Survey (RIGGS) data to calculate some of the ice-shelf characteristics, including steady-state particle trajectories through the ice shelf and the depth of isochronous surfaces, which are of particular importance in choosing a drilling site where ice from the grounded West Antarctic ice sheet is likely to be near the surface.
Basal channels on ice shelves
TL;DR: In this article, the formation of the channels, their evolution over time, and their impact on ice-shelf flow were investigated using a fully-coupled IC/SIS ocean model.
88
Late Holocene ice-flow reconfiguration in the Weddell Sea sector of West Antarctica
TL;DR: In this paper, the authors report Late Holocene ice sheet and grounding line changes to the Weddell Sea sector of West Antarctica and reveal that the internal layers can be explained by adjustment to the flow path of the Institute Ice Stream, during either a phase of ice sheet retreat not longer than ∼4000 years ago or by wholesale expansion of the grounding line from an already retreated situation not sooner than ∼400 years ago.
88
Oceanographic conditions south of Berkner Island, beneath Filchner-Ronne Ice Shelf, Antarctica
TL;DR: In this paper, the authors made oceanographic measurements at two sites beneath the southern Filchner-Ronne Ice Shelf and estimated the (summer) flux of water between the two sites to be 2×106 m3 s−1.
85
In‐situquantification of ice rheology and direct measurement of the Raymond Effect at Summit, Greenland using a phase‐sensitive radar
Fabien Gillet-Chaulet,Fabien Gillet-Chaulet,Richard C. A. Hindmarsh,Hugh F. J. Corr,Edward C. King,Adrian Jenkins +5 more
TL;DR: In this paper, a phase-sensitive radar was used to measure vertical strain rates of around 10−4 yr−1 within the top 1000 m of ice across ice divides at Summit and NEEM, Greenland.
84
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