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Data Set ID:
NSIDC-0503

GPS-Measured Ice Velocities and Strain Data from the Ross and Amundsen Sea Ice Flow Divide, West Antarctica, Version 1

This data set includes ice flow velocities and strain configurations, from GPS measurements on the West Antarctic Ice Sheet (WAIS) Divide. Ninety markers installed in the firn were measured during two consecutive field seasons running from 2005-2006 and 2006-2007. The markers were located in 150 by 60 km area, with smaller clusters of five markers located within about 10 km of each other. Consecutive GPS measurements were used to derive velocity for each marker. Strain configurations were estimated by differentiating a linear fit of the data at each marker cluster.

Data are available via FTP as ASCII text (.txt ) files in comma separated value format.

Geographic Coverage

Spatial Coverage:
  • N: -78.7489, S: -79.6401, E: -109.128, W: -115.457

Spatial Resolution: Not Specified
Temporal Coverage:
  • 1 November 2005 to 1 March 2006
  • 1 November 2006 to 1 March 2007
Temporal Resolution: Not specified
Parameter(s):
  • Snow/Ice > Ice Velocity
Platform(s) FIELD INVESTIGATION, FIELD SURVEYS, GPS
Sensor(s): GPS
Data Format(s):
  • ASCII Text
Version: V1
Data Contributor(s): Kenichi Matsuoka, Donovan Power, Al Rasmussen

Data Citation

As a condition of using these data, you must cite the use of this data set using the following citation. For more information, see our Use and Copyright Web page.

Matsuoka, K., D. Power, and A. Rasmussen. 2011. GPS-Measured Ice Velocities and Strain Data from the Ross and Amundsen Sea Ice Flow Divide, West Antarctica, Version 1. [Indicate subset used]. Boulder, Colorado USA. NSIDC: National Snow and Ice Data Center. doi: http://dx.doi.org/10.7265/N5222RQ8. [Date Accessed].