[GRASS-user] NASADEM: new global 1 arcsec DEM

[Markus Metz]

Hi all,

NASA via lpdaac has released a new global DEM with 1 arcsec spatial
resolution:
https://lpdaac.usgs.gov/news/release-nasadem-data-products/

"NASADEM extends the legacy of the Shuttle Radar Topography Mission (SRTM)
by improving the digital elevation model (DEM) height accuracy and data
coverage as well as providing additional SRTM radar-related data products.
The improvements were achieved by reprocessing the original SRTM radar
signal data and telemetry data with updated algorithms and auxiliary data
not available at the time of the original SRTM processing."

All layers of the NASADEM_HGT.001 product can be imported into GRASS with
the addon r.in.nasadem:
https://github.com/OSGeo/grass-addons/tree/master/grass7/raster/r.in.nasadem

Enjoy!

Markus M

https://lpdaac.usgs.gov/products/nasadem_hgtv001/
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