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Summary
Description |
The above map shows the subglacial topography and bathymetry of Antarctica. As indicated by the scale on left-hand side, the different shades of blue and purple indicate parts of the ocean floor and sub-ice bedrock, which are below sea level. The other colors indicate Antarctic bedrock lying above sea level. Each colour represents an interval of 2,500 feet in elevation. Map is not corrected for sea level rise or isostatic rebound, which would occur if the Antarctic ice sheet completely melted to expose the bedrock surface. |
Date |
13 March 2008 |
Source |
This map was prepared from BEDMAP gridded data-set for bed-elevation south of 60 degrees S using Global Mapper 7.0.1. The faint rectilinear pattern seen in the shaded relief is an artifact of the gridding of data from linear seismic surveys. The data used to make this map came from "A new ice thickness and subglacial topographic model of the Antarctic" prepared by the BEDMAP Consortium, which is sponsored by the European Ice Sheet Modelling Initiative, Scientific Committee on Antarctic Research. |
Author |
Paul V. heinrich |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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This file is licensed under the Creative Commons Attribution 3.0 Unported license. |
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http://creativecommons.org/licenses/by/3.0 CC-BY-3.0 Creative Commons Attribution 3.0 truetrue
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