Relation:
DEM90_USGS
Theme:
Digital Elevation Model of
Source:
The Digital Elevation Model (DEM) was generated
from the Shuttle Radar Topography Mission (SRTM) available at the United States
Geological Survey (USGS) website (http://srtm.usgs.gov/).
For more information, please visit: http://spatialnews.geocomm.com/features/shuttle/srtmdataupdate03/index.html
Date of the data: 2000
Quality of data: good but with some local artefacts
Data exhaustiveness: There are some voids corresponding to the water stretches (as the
DEM is derived from a radar image)
Datum and ellipsoid of the mosaic: Indian 1954, Everest
Projection of the mosaic: UTM; Central Meridian 99, Zone 47
Description of the processes performed on
the image:
The DEM is composed from a set of tiles
which were mosaicked in the Savamer
module. The original format of the DEM is hgt.
Original Resolution: The original DEM is 90 metres spatial
resolution.
Resolution of the mosaic: 100 metres per pixel
Person in charge of the
rectification and integration: Marc Souris, IRD
Person in charge of the
metadata: Florent
Demoraes, IRD
Integration Date: 2004
Description of the attribute
Altitude = numerical attribute = elevation in metre above sea level