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Global DEMs vary from one to another: an evaluation of newly released Copernicus, NASA and AW3D30 DEM on selected terrains of China using ICESat-2 altimetry data

A good understanding of the quality of digital elevation model (DEM) is a perquisite for various applications. This study investigates the accuracy of three most recently released 1-arcsec global DEMs (GDEMs, Copernicus, NASA and AW3D30) in five selected terrains of China, using more than 240,000 hi...

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Principais autores: Hui Li, Jiayang Zhao, Bingqi Yan, Linwei Yue, Lunche Wang
Formato: Artigo
Idioma:Inglês
Publicado em: Taylor & Francis Group 2022-12-01
coleção:International Journal of Digital Earth
Assuntos:
copernicus dem
nasadem
aw3d30 dem
vertical accuracy
terrain representation
icesat-2 altimetry
Acesso em linha:http://dx.doi.org/10.1080/17538947.2022.2094002
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