Articles | Volume 13, issue 2
https://doi.org/10.5194/tc-13-665-2019
https://doi.org/10.5194/tc-13-665-2019
Research article
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26 Feb 2019
Research article | Highlight paper |  | 26 Feb 2019

The Reference Elevation Model of Antarctica

Ian M. Howat, Claire Porter, Benjamin E. Smith, Myoung-Jong Noh, and Paul Morin

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Short summary
The Reference Elevation Model of Antarctica (REMA) is the first continental-scale terrain map at less than 10 m resolution, and the first with a time stamp, enabling measurements of elevation change. REMA is constructed from over 300 000 individual stereoscopic elevation models (DEMs) extracted from submeter-resolution satellite imagery. REMA is vertically registered to satellite altimetry, resulting in errors of less than 1 m over most of its area and relative uncertainties of decimeters.