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The Reference Elevation Model of Antarctica
Open accessAbstract
Abstract. The Reference Elevation Model of Antarctica (REMA) is the first continental-scale digital elevation model (DEM) at a resolution of less than 10 m. REMA is created from stereophotogrammetry with submeter resolution optical, commercial satellite imagery. The higher spatial and radiometric resolutions of this imagery enable high-quality surface extraction over the low-contrast ice sheet surface. The DEMs are registered to satellite radar and laser altimetry and are mosaicked to provide a continuous surface covering nearly 95 % the entire continent. The mosaic includes an error estimate and a time stamp, enabling change measurement. Typical elevation errors are less than 1 m, as validated by the comparison to airborne laser altimetry. REMA provides a powerful new resource for Antarctic science and provides a proof of concept for generating accurate high-resolution repeat topography at continental scales.
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Cited by
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Hugonnet, R., McNabb, R., Berthier, E., Menounos, B., Nuth, C., Girod, L., Farinotti, D., Huss, M., Dussaillant, I., Brun, F., et al. (2021) · Nature · doi:10.1038/s41586-021-03436-z · Cited by 1,910
Deep glacial troughs and stabilizing ridges unveiled beneath the margins of the Antarctic ice sheet
Morlighem, M., Rignot, E., Binder, T., Blankenship, D., Drews, R., Eagles, G., Eisen, O., Ferraccioli, F., Forsberg, R., Fretwell, P., et al. (2020) · Nature Geoscience · doi:10.1038/s41561-019-0510-8 · Cited by 1,048
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Metadata
- Authors
- Howat, I. M., Porter, C., Smith, B. E., Noh, M.-J., & Morin, P.
- Venue
- The Cryosphere
- Publisher
- Copernicus GmbH
- Published
- 2019-02-26
- Volume
- 13
- Issue
- 2
- Pages
- 665-674
- ISSN
- 1994-0416 (ISSN-L)
- 1994-0424
- OpenAlex
- W2900689731
- Cited by
- 758
- References
- 0
- FWCI
- 72.78
- Type
- journal article
- Language
- en
- Open access
- gold
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- Howat, I. M., Porter, C., Smith, B. E., Noh, M.-J., & Morin, P. (2019). The Reference Elevation Model of Antarctica. The Cryosphere. https://doi.org/10.5194/tc-13-665-2019
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