Observed rapid bedrock uplift in Amundsen Sea Embayment promotes ice-sheet stability-Reference-Cited by-同舟云学术

Observed rapid bedrock uplift in Amundsen Sea Embayment promotes ice-sheet stability

Published:2018-06-22 Issue:6395 Volume:360 Page:1335-1339
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Barletta Valentina R.¹²^ORCID,Bevis Michael²^ORCID,Smith Benjamin E.³^ORCID,Wilson Terry²^ORCID,Brown Abel²^ORCID,Bordoni Andrea⁴,Willis Michael⁵^ORCID,Khan Shfaqat Abbas¹^ORCID,Rovira-Navarro Marc¹⁶^ORCID,Dalziel Ian⁷^ORCID,Smalley Robert⁸^ORCID,Kendrick Eric²^ORCID,Konfal Stephanie²^ORCID,Caccamise Dana J.²^ORCID,Aster Richard C.⁹^ORCID,Nyblade Andy¹⁰^ORCID,Wiens Douglas A.¹¹^ORCID

Affiliation:

1. DTU Space, National Space Institute, Geodynamics Department, Technical University of Denmark, Kgs. Lyngby, Denmark.

2. School of Earth Science, Ohio State University, Columbus, OH, USA.

3. University of Washington, Seattle, WA, USA.

4. DTU Compute, Technical University of Denmark, Kgs. Lyngby, Denmark.

5. University of Colorado Boulder, Boulder, CO, USA.

6. TU Delft, Delft, Netherlands.

7. Institute for Geophysics, University of Texas, Austin, TX, USA.

8. Center for Earthquake Research and Information, The University of Memphis, Memphis, TN, USA.

9. Colorado State University, Fort Collins, CO, USA.

10. Penn State University, State College, PA, USA.

11. Washington University in St. Louis, St. Louis, MO, USA.

Abstract

A quick rebound for Antarctic crust Earth's crust deforms under the load of glaciers and ice sheets. When these masses are removed, the crust rebounds at a time scale determined by the viscosity of the upper mantle. Using GPS, Barletta et al. found that the viscosity of the mantle under the West Antarctic Ice Sheet is much lower than expected. This means that as ice is lost, the crust rebounds much faster than previously expected. Although estimates of total ice loss have to be revised upward, the surprising finding indicates that the ice sheet may stabilize against catastrophic collapse. Science , this issue p. 1335

Funder

National Science Foundation

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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