globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85062242987
论文题名:
The reference elevation model of antarctica
作者: Howat I.M.; Porter C.; Smith B.E.; Noh M.-J.; Morin P.
刊名: Cryosphere
ISSN: 19940416
出版年: 2019
卷: 13, 期:2
起始页码: 665
结束页码: 674
语种: 英语
英文摘要: 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. © 2019 Copernicus GmbH.All Rights Reserved.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122662
Appears in Collections:气候变化事实与影响

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作者单位: Byrd Polar and Climate Research Center, Ohio State University, Columbus, OH, United States; School of Earth Sciences, Ohio State University, Columbus, OH, United States; Polar Geospatial Center, University of Minnesota, St. Paul, MN, United States; Polar Science Center, Applied Physics Laboratory, University of Washington, Seattle, WA, United States

Recommended Citation:
Howat I.M.,Porter C.,Smith B.E.,et al. The reference elevation model of antarctica[J]. Cryosphere,2019-01-01,13(2)
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