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Synthesis of Thwaites Glacier Dynamics: Diagnostic and Prognostic Sensitivity Studies of a West Antarctic Outlet System
Entry ID: blankenship_0636724

Abstract: This award supports a three-year study to isolate essential physical processes affecting Thwaites Glacier (TG) in the Amundsen Sea Embayment (ASE) of West Antarctica using a suite of existing numerical models in conjunction with existing and International Polar Year (IPY)-proposed data sets. Four different models will be utilized to explore the effects of embayment geometry, ice-shelf buttressing, basal-stress distribution, surface mass balance, surface climate, and inland dynamic perturbations on the present and future dynamics of TG.

Purpose: This particular collection of models is ideally suited for the broad nature of this investigation, as they incorporate efficient and complementary simplifications of the stress field (shallow-ice and shelf-stream), system geometry (1-d and 2-d plan-view and flowline; depth-integrated and depth-dependent), and mass-momentum energy coupling (mechanical and thermo-mechanical). The models will be ... View entire text
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Description: Investigator web page
Geographic Coverage
Spatial coordinates   
  N: -75.0   S: -80.0   E: -90.0   W: -120.0
Max Depth: 2800

Temporal Coverage
Start Date: 2004-12-07
Stop Date: 2005-01-29
Paleo Temporal Coverage
Paleo Start Date: 1000 ybp
Paleo Stop Date: 600 ybp
Chrono Unit:
Data Center
National Snow and Ice Data Center Supplemental Info
Data Center URL:

Data Center Personnel
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at
Contact Address:
National Snow and Ice Data Center
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Phone: (512) 471-0489
Fax: (512) 471-8844
Email: blank at
Contact Address:
J.J. Pickle Research Campus, Bldg. 196 | 10100 Burnet Rd.
City: Austin
Province or State: TX
Postal Code: 78758
Country: USA
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Vaughan, D. G and Holt, J. W. and Blankenship, D. D.. "West Antarctic links to sea level estimation," Eos, Transactions of the American Geophysical Union, v.88, 2007, p. 485.

Young, D. A. and Kempf, S. D. and Blankenship, D. D. and Holt, J. W. and Morse, D. L.. "New airborne laser altimetry over the Thwaites Glacier Catchment, West Antarctica," Geochemistry, Geophysics, Geosystems, 2008.
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Creation and Review Dates
DIF Creation Date: 2012-04-03
Last DIF Revision Date: 2017-08-24