[GRASS-user] Evaluation of AW3D30 open access global DEM for flood modelling

[Laurent C.]

2017-09-21 14:22 GMT-05:00 Markus Metz <markus.metz.giswork at gmail.com>:
>
> The JPL/NASA website also links to
> http://dds.cr.usgs.gov/srtm/
> where you get the JPL/NASA SRTM products version 1 and 2.1
>
> JPL/NASA SRTM version 3 (completely void-filled version 2.1) is available at
> https://lpdaac.usgs.gov/dataset_discovery/measures/measures_products_table
> JPL/NASA version 3 with 1 arc second resolution is described at
> https://lpdaac.usgs.gov/dataset_discovery/measures/measures_products_table/srtmgl1_v003
> JPL/NASA version 3 with 3 arc seconds resolution is described at
> https://lpdaac.usgs.gov/dataset_discovery/measures/measures_products_table/srtmgl3_v003
>
> Personally, I would prefer SRTM JPL/NASA version 3 over any other SRTM
> version, mainly because according to the documentation it supersedes the NGA
> version 2 available through the USGS EartExplorer.
>
> Markus M

Interesting, thanks. I did not know that there was various versions of
the 1arcsec. I might have a look.

Laurent