Histories of Accumulation, Thickness, and WAIS Divide Location, Antarctica

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Entry ID

NSIDC-0473

Summary

This data set contains radar internal layer and ice sheet topography data for two sites in Antarctica, along with associated model results from two studies. This project used geophysical inverse theory and a 2.5 D flowband ice-flow forward model to extract robust transient accumulation patterns from multiple deeper layers. Histories of divide migration, or the movement of the ice sheet and ice-surface evolution are also provided. The data used to solve the inverse problem, and the model solutions are provided. Internal layers, modern ice-surface velocities, and modern ice-sheet geometry at Taylor Mouth are available, as well as the pattern of accumulation inferred by Waddington et al. (2007).

Data are available via FTP in Matlab (.mat) format. Supporting information is available as text files (.rtf and .txt).

Geographic Coverage

 

Spatial Coordinates:
N: -79.416667°     S: -79.416667°     E: -111.816667°     W: -111.816667°    
N: -77.783333°     S: -77.783333°     E: 158.716667°     W: 158.716667°    

Data Set Citation

Dataset Creator: Waddington, E, and M. Koutnik
Dataset Title: Histories of Accumulation, Thickness, and WAIS Divide Location, Antarctica
Dataset Release Date: 2010-06-20
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC: National Snow and Ice Data Center
Online Resource: http://nsidc.org/data/nsidc-0473.html
Dataset DOI: http://dx.doi.org/10.7265/N5QR4V2J

Temporal Coverage

Start Date: 2002-01-01
Stop Date: 2004-12-31

Location Keywords

  • CONTINENT ANTARCTICA
  • GEOGRAPHIC REGION POLAR

Science Keywords

  • Cryosphere Glaciers/Ice Sheets
  • Cryosphere Glaciers/Ice Sheets Ablation Zones/Accumulation Zones
  • Cryosphere Glaciers/Ice Sheets Glaciers
  • Cryosphere Glaciers/Ice Sheets Ice Sheets
  • Terrestrial Hydrosphere Glaciers/Ice Sheets Glaciers
  • Terrestrial Hydrosphere Glaciers/Ice Sheets Ice Sheets

Ancillary Keywords

  • Accumulation processes
  • Antarctica
  • Glacier
  • Radar
  • Snow Accumulation
  • WAIS

ISO Topic Category (View Definitions)

  • Climatology/Meteorology/Atmosphere

Platform

  • GPS Global Positioning System Satellites
  • MODELS

Instrument

  • GPR Ground Penetrating Radar
  • GPS RECEIVERS

Data Set Progress

complete

Originating Center

AGDC

Data Center

National Snow and Ice Data Center
Data Center URL: http://nsidc.org

Data Center Personnel

Name: NSIDC User Services
Phone: 1 303 492-6199
Fax: 1 303 492-2468
Email: nsidc@nsidc.org
Contact Address:

  • National Snow and Ice Data Center
  • CIRES, 449 UCB
  • University of Colorado

City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA

Antarctic Glaciological Data Center
Data Center URL: http://nsidc.org/agdc/

Data Center Personnel

Name: AGDC User Services
Phone: 1 303 492-6199 x
Fax: 1 303 492-2468 x
Email: nsidc@nsidc.org
Contact Address:

  • National Snow and Ice Data Center
  • CIRES, 449 UCB
  • University of Colorado

City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA

Distribution

Distribution Media: FTP
Distribution Size: 52 KB
Distribution Format: MATLAB

Personnel

Edwin D. Waddington
Role: INVESTIGATOR
Contact Address:

  • University of Washington
  • Department of Earth and Space Sciences
  • Box 351310
  • Seattle, Washington 98195-1310
  • USA

City: Seattle
Province or State: Washington
Postal Code: 98195-1310
Country: USA

Michelle Koutnik
Role: INVESTIGATOR
Contact Address:

  • University of Washington
  • Department of Earth and Space Sciences

City: Seattle
Province or State: WA
Postal Code: 98195
Country: USA

NSIDC User Services
Role: TECHNICAL CONTACT
Phone: 1 303 492-6199 x
Fax: 1 303 492-2468 x
Email: nsidc@nsidc.org
Contact Address:

  • National Snow and Ice Data Center
  • CIRES, 449 UCB
  • University of Colorado

City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA

Reference

Waddington, E. D., T. A. Neumann, M. R. Koutnik, H. P. Marshall, and D. L. Morse. 2007. Inference of accumulation-rate patterns from deep layers in glaciers and ice sheets. Journal of Glaciology 53(183), 694-712.

Neumann, T. A., H. Conway, S. F. Price, E. D. Waddington, G. A. Catania, and D. L. Morse. 2008. Holocene accumulation and ice sheet dynamics in central West Antarctica. Journal of Geophysical Research 113, dio:10.1029/2007JF000764.

Conway, H. and L. A. Rasmussen. 2009. Recent thinning and migration of the Western Divide, central West Antarctica. Geophysical Research Letters 36, doi:10.1029/2009GL038072.

Steen-Larsen, H. C., E. D. Waddington, and M. R. Koutnik. In Press. Formulating an inverse problem to infer the accumulation-rate pattern from deep internal layering in an ice sheet using a Monte-Carlo approach. Journal of Glaciology.

Metadata Name and Version

Metadata Name: CEOS IDN DIF
Metadata Version: 9.7

Creation and Review Dates

DIF Creation Date: 2010-06-20
Last DIF Revision Date: 2013-03-20

Metadata Views

DIF Text-Only

Directory Interchange Format (DIF) in plain text

DIF XML

Directory Interchange Format (DIF) in Extensible Markup Language (XML)

FGDC HTML

U.S. Federal Geographic Data Committee (FGDC) Content Standard for Digital Geospatial Metadata (CSDGM)

ISO HTML

International Organization for Standardization (ISO) 19115:2003 Geographic Information Metadata

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