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Description
This data set consists of an enhanced resolution digital elevation model (DEM) for the Greenland Ice Sheet, derived from sub-meter resolution, panchromatic stereoscopic imagery collected by the GeoEye-1, WorldView-1, -2, and -3 satellites operated by Maxar Technologies.
The DEM was created from in-track image pairs (i.e., both images collected minutes apart along the same orbital pass) and cross-track images (i.e., from different orbits) within the in-track imaging geometry and maximum time separation criteria. The DEM is registered to ATLAS/ICESat-2 L3A Land Ice Height, Version 5 (ATL06, V5) data collected in the summers of 2019 and 2020.
Version 2 includes the following changes:
* DEM generated from both in-track image pairs and cross-track images.
* DEM registered to ATLAS/ICESat-2 L3A Land Ice Height, Version 5 (ATL06, V5)
* Algorithm revised to utilize large increase in available DEM data since Version 1
* Data set consists of a single DEM created from all available data ("fit," "reg," and quarterly DEMs are not provided)
Product Summary
Platforms
GEOEYE-1
,
WORLDVIEW-1
,
WORLDVIEW-2
,
WORLDVIEW-3
Instruments
CAMERAS
Spatial Extent
N: 83S: 60E: -14W: -75
Spatial Resolution
30 Meters x 30 Meters
Spatial Reference System(s)
WGS 84 / NSIDC Sea Ice Polar Stereographic North (EPSG:3413)
Location
GREENLAND
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2008-05-15 to 2020-11-19
Concept ID
C3298020488-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
30
Processing Level
3
Published
Science Keywords
Glacier Elevation/Ice Sheet Elevation
Citation
Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.
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Citation Copied
Howat, I., Negrete, A., & Smith, B. (2022). MEaSUREs Greenland Ice Mapping Project (GrIMP) Digital Elevation Model from GeoEye and WorldView Imagery, Version 2 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/BHS4S5GAMFVY Date Accessed: 2026-06-08
Howat, I., Negrete, A., & Smith, B. (2022). MEaSUREs Greenland Ice Mapping Project (GrIMP) Digital Elevation Model from GeoEye and WorldView Imagery, Version 2 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/BHS4S5GAMFVY Date Accessed: 2026-06-08
Howat, Ian, et al. “MEaSUREs Greenland Ice Mapping Project (GrIMP) Digital Elevation Model from GeoEye and WorldView Imagery, Version 2.” NASA National Snow and Ice Data Center Distributed Active Archive Center, 2022, https://doi.org/10.5067/BHS4S5GAMFVY. Date Accessed: 2026-06-08
Mankoff, Kenneth D., Colgan, William, Solgaard, Anne, Karlsson, Nanna B., Ahlstrm, Andreas P., van As, Dirk, Box, Jason E., Khan, Shfaqat Abbas, Kjeldsen, Kristian K., Mouginot, Jeremie, Fausto, Robert S.