TITLE

Antarctic ice-shelf thickness from satellite radar altimetry

AUTHOR(S)
GRIGGS, J. A.; BAMBER, J. L.
PUB. DATE
June 2011
SOURCE
Journal of Glaciology;2011, Vol. 57 Issue 203, p485
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The article presents a study which examined the ice-shelf thickness of all ice shelves in the Antarctic based on the satellite radar altimeter data from the geodetic stages of the European Remote-sensing Satellite (ERS-1) in 1994-1995. Ice-shelf thickness is a vital boundary condition for ice-sheet and sub-ice-shelf cavity modelling. The data were supplemented by Ice, Cloud, and land Elevation Satellite (ICESat) information for regions south of the ERS-1 latitudinal limit. The ice thickness calculation is carried out using the principle of hydrostatic equilibrium.
ACCESSION #
67183725

 

Related Articles

  • Committed near-future retreat of Smith, Pope, and Kohler Glaciers inferred by transient model calibration. Goldberg, D.; Heimbach, P.; Joughin, I.; Smith, B. // Cryosphere Discussions;2015, Vol. 9 Issue 4, p4459 

    A glacial flow model of Smith, Pope and Kohler Glaciers has been calibrated by means of inverse methods against time-varying, annualy resolved observations of ice height and velocities, covering the period 2002 to 2011. The inversion - termed "transient calibration" - produces an optimal set of...

  • An exact solution for a steady, flowline marine ice sheet. BUELER, Ed // Journal of Glaciology;2014, Vol. 60 Issue 224, p1117 

    G. Böðvarsson's 1955 plug-flow solution for an Icelandic glacier problem is shown to be an exact solution to the steady form of the simultaneous stress-balance and mass-continuity equations widely used in numerical models of marine ice sheets. The solution, which has parabolic ice...

  • Fracture field for large-scale ice dynamics. Albrecht, Torsten; Levermann, Anders // Journal of Glaciology;2012, Vol. 58 Issue 207, p165 

    The article presents a study involving a macroscopic fracture-density field that was introduced into a prognostic continuum ice-flow model. It notes that fractures can lessen the buttressing effect on ice shelves by disturbing the mechanical integrity of the ice body. It adds that the...

  • Overview of areal changes of the ice shelves on the Antarctic Peninsula over the past 50 years. Cook, A. J.; Vaughan, D. G. // Cryosphere;2010, Vol. 4 Issue 1, p77 

    The article provides information on the areal changes of the ice shelves in the Antarctic Peninsula (AP) over the past 50 years before 2010. It presents an overview of the characteristics of the twelve ice shelves on the AP during the covered period as well as the overall reduction in total...

  • Last Glacial snowlines in the Tibetan Plateau: an argument against an extensive coalescing icesheet. Z.-D Feng // GeoJournal;Apr1998, Vol. 44 Issue 4, p355 

    Two opposing theories are circulating with regard to the extent of the Last Glacial ice cover in the Tibetan Plateau. One says that only less than 20% of plateau was covered with ice, and another insists that the plateau be completely covered with an extensive coalescing icesheet. The extent of...

  • Recent ice dynamic and surface mass balance of Union Glacier in theWest Antarctic Ice Sheet. Rivera, A.; Zamora, R.; Uribe, J. A.; Jaña, R.; Oberreuter, J. // Cryosphere;2014, Vol. 8 Issue 4, p1445 

    Here we present the results of a comprehensive glaciological investigation of Union Glacier (79°46' S/83°24' W) in the West Antarctic Ice Sheet (WAIS), a major outlet glacier within the Ellsworth Mountains. Union Glacier flows into the Ronne Ice Shelf, where recent models have indicated...

  • Ocean-Ice Shelf Interaction in East Antarctica. Silvano, Alessandro; Rintoul, Stephen R.; Herraiz-Borreguero, Laura // Oceanography;Dec2016, Vol. 29 Issue 4, p130 

    Assessments of the Antarctic contribution to future sea level rise have generally focused on ice loss in West Antarctica. This focus was motivated by glaciological and oceanographic observations that showed ocean warming was driving loss of ice mass from the West Antarctic Ice Sheet (WAIS)....

  • 2001-2009 elevation and mass losses in the Larsen A and B embayments, Antarctic Peninsula. SHUMAN, Christopher A.; BERTHIER, Etienne; SCAMBOS, Ted A. // Journal of Glaciology;2011, Vol. 57 Issue 204, p737 

    The article focuses on a study on the elevation and mass losses recorded in the Larsen A and B embayments in the Antarctic Peninsula from 2001 to 2009. The losses in the ice shelf within the study area are said to be caused by two mechanisms which are increases in air temperature that led to...

  • Simulated melt rates for the Totten and Dalton ice shelves. Gwyther, D. E.; Galton-Fenzi, B. K.; Hunter, J. R.; Roberts, J. L. // Ocean Science Discussions;2013, Vol. 10 Issue 6, p2109 

    The Totten Glacier drains a large proportion of the East Antarctic ice sheet, much of it marine based (grounded below sea level), and is rapidly losing mass. It has been suggested that this mass loss is driven by changes in oceanic forcing; however, the details of the ice-ocean interaction are...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics