SRTM X-SAR - Digital Elevation Model (DEM) 10° Mosaics - Global

The Shuttle Radar Topography Mission (SRTM, DTS-99) from February 11 to 22, 2000 was an US-German-Italian effort to produce a first global digital elevation model (DEM). The German Aerospace Center (DLR) and the Italian Space Agency (ASI) complemented the US C-band Synthetic Aperture Radar (SAR) payload of NASA/JPL with an additional X-SAR instrument. The SRTM X-SAR DEM was generated at DLR from this instrument’s data using radar interferometry technique.

The data was acquired simultaneously from aboard the Space Shuttle Endeavor employing two SAR antennas, one inside the Space Shuttle’s cargo bay, the other at the end of a 60 m extension pole. A substantial portion of the global land surface between 60° northern and 58° southern latitude was covered.

As the orbit flown and imaging period of the SRTM mission had been optimized for the US C-band system, the German-Italian X-SAR with narrower aperture angle imaged data only along roughly 50 km wide orbital ground traces. Therefore, the dataset available shows a grid-like coverage.

The original SRTM X-SAR DTED DEMs have been merged to 10° by 10° tiles, converted to GeoTIFF format and packaged into zip-archives. Each zip-file contains the DEM dataset, the corresponding height error map (HEM), a quicklook png-image, a kml-overlay and a readme document. The filename of the zip-archive specifies the bottom left coordinate of each tile. The zip-archives can be downloaded via the EOC Download Service.

For more information see: https://geoservice.dlr.de/resources/licenses/srtm_xsar/DLR_SRTM_XSAR_ReadMe.pdf

 
Citation proposal
. SRTM X-SAR - Digital Elevation Model (DEM) 10° Mosaics - Global. http://gdk-inspire-1.ffm.gdi-de.org/geonetwork/srv/api/records/f4d4079a-ada3-41d0-ba95-630ba232e147
 

INSPIRE

Identification

File identifier
f4d4079a-ada3-41d0-ba95-630ba232e147   XML
Hierarchy level
Dataset
Online resource
Protocol
WWW:LINK-1.0-http--link
Protocol
WWW:LINK-1.0-http--link
Resource identifier
code
https://geoservice.dlr.de/catalogue/srv/metadata/f4d4079a-ada3-41d0-ba95-630ba232e147
Metadata language
German
Spatial representation type
Grid
Encoding
Format
GeoTIFF
Projection
 

Classification of data and services

Topic category
  • Elevation
 

Classification of data and services

Coupled resource
Coupled resource
 
 

Classification of data and services

Coupled resource
Coupled resource
 
 

Keywords

GEMET - INSPIRE themes, version 1.0 ( Theme )
  • Höhe
Spatial scope ( Theme )
Other keywords
Keywords ( Theme )
  • DLR
  • Elevation
  • Space Shuttle
  • STS-99
  • SRTM
  • X-SAR
  • Digital Elevation Model (DEM)
  • regional mosaics
  • Global
  • inspireidentifiziert
 
 

Geographic coverage

N
S
E
W


 

Temporal reference

Temporal extent
Temporal extent
Date ( Creation )
2000-01-11T00:00:00
 

Quality and validity

Lineage

Horizontal accuracy (absolute): ±20m 90% circular error

Horizontal accuracy (relative): ±15m 90% circular error

Vertical accuracy (absolute): ±16m 90% circular error

Vertical accuracy (relative): ±6m 90% circular error

Denominator
50000
 

Conformity

Conformity
Conformity
 

Conformity

Conformity
Conformity
Explanation
See the referenced specification.
 

Restrictions on access and use

Access constraints
Nutzungsbedingungen: https://geoservice.dlr.de/resources/licenses/srtm_xsar/DLR_SRTM_XSAR_ReadMe.pdf / Terms of use: https://geoservice.dlr.de/resources/licenses/srtm_xsar/DLR_SRTM_XSAR_ReadMe.pdf
 

Restrictions on access and use

 

Responsible organization (s)

Contact for the resource
Organisation name
German Aerospace Center (DLR)
Email
geoservice@dlr.de
 

Responsible organization (s)

Contact for the resource
Organisation name
German Aerospace Center (DLR)
Email
geoservice@dlr.de
 

Metadata information

Contact for the metadata
Organisation name
German Aerospace Center (DLR)
Email
geoservice@dlr.de
Date stamp
2024-06-20T14:12:25
Metadata language
German
Character set
UTF8
 
 

SDS

Conformance class 1: invocable

Access Point URL
Endpoint URL
Technical specification
 

Conformance class 2: interoperable

Coordinate reference system
 
Quality of Service
 
Access constraints
Limitation
 
Use constraints
Limitation
 
Responsible custodian
Contact for the resource
 
 

Conformance class 3: harmonized

 
 

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