Copernicus Digital Elevation Model (DEM) for Europe at 3 arc seconds (ca. 90 meter) resolution derived from Copernicus Global 30 meter DEM dataset

The Copernicus DEM is a Digital Surface Model (DSM) which represents the surface of the Earth including buildings, infrastructure and vegetation. The original GLO-30 provides worldwide coverage at 30 meters (refers to 10 arc seconds). Note that ocean areas do not have tiles, there one can assume height values equal to zero. Data is provided as Cloud Optimized GeoTIFFs. Note that the vertical unit for measurement of elevation height is meters.

The Copernicus DEM for Europe at 3 arcsec (0:00:03 = 0.00083333333 ~ 90 meter) in COG format has been derived from the Copernicus DEM GLO-30, mirrored on Open Data on AWS, dataset managed by Sinergise (https://registry.opendata.aws/copernicus-dem/).

Processing steps:

The original Copernicus GLO-30 DEM contains a relevant percentage of tiles with non-square pixels.

We created a mosaic map in https://gdal.org/drivers/raster/vrt.html format and defined within the VRT file the rule to apply cubic resampling while reading the data, i.e. importing them into GRASS GIS for further processing. We chose cubic instead of bilinear resampling since the height-width ratio of non-square pixels is up to 1:5. Hence, artefacts between adjacent tiles in rugged terrain could be minimized:

gdalbuildvrt -input_file_list list_geotiffs_MOOD.csv -r cubic -tr 0.000277777777777778 0.000277777777777778 Copernicus_DSM_30m_MOOD.vrt

In order to reduce the spatial resolution to 3 arc seconds, weighted resampling was performed in GRASS GIS (using r.resamp.stats -w) and the pixel values were scaled with 1000 (storing the pixels as integer values) for data volume reduction.

In addition, a hillshade raster map was derived from the resampled elevation map (using r.relief, GRASS GIS).

Eventually, we exported the elevation and hillshade raster maps in Cloud Optimized GeoTIFF (COG) format, along with SLD and QML style files.

Simple

Date ( Publication )
2022-02-21
Identifier
10.5281/zenodo.6211701
Status
Completed
Point of contact
mundialis GmbH & Co. KG - ( )

Maintenance and update frequency
As needed
Keywords ( Theme )
  • digital terrain modell
  • elevation
  • Copernicus
  • geomorphometry
  • environment
  • MOOD-H2020
Keywords ( Place )
  • Europe
GEMET - INSPIRE themes, version 1.0 ( Theme )
  • Elevation
Keywords ( Discipline )
  • radar
  • remote sensing
Use limitation
None
Access constraints
Other restrictions
Use constraints
License
Other constraints
Creative Commons Namensnennung - Weitergabe unter gleichen Bedingungen 4.0 International (CC-BY-SA 4.0)
Other constraints
{ "id": "cc-by-sa/4.0", "name": "Creative Commons Namensnennung - Weitergabe unter gleichen Bedingungen 4.0 International", "url": "http://creativecommons.org/licenses/by-sa/4.0/", "quelle": "Source: mundialis" }
Other constraints
EO data provided under COPERNICUS by the European Union and ESA. For more information see: https://data.mundialis.de/geonetwork/srv/eng/catalog.search#/metadata/55df6882-8593-4123-b738-3558c20ad98c
Aggregate Datasetindentifier
55df6882-8593-4123-b738-3558c20ad98c
Association Type
Source
Aggregate Datasetindentifier
9a382836-47a9-4dac-ad62-f0021e455ab8
Association Type
Cross reference
Aggregate Datasetindentifier
e4c14079-1dd3-44e7-9b9b-a5f8593abfee
Association Type
Cross reference
Aggregate Datasetindentifier
74d0e58f-9f51-444e-a5a7-eff4c20f05b1
Association Type
Cross reference
Aggregate Datasetindentifier
948c3313-9957-4581-a238-812439d44397
Association Type
Cross reference
Aggregate Datasetindentifier
f576cda8-d598-478c-b8fe-ad2634c927e8
Association Type
Cross reference
Spatial representation type
Grid
Distance
90 meters
Metadata language
en
Character set
UTF8
Topic category
  • Elevation
Description
Europe
Begin date
2010-01-01
End date
2015-12-31
N
S
E
W
thumbnail


Reference system identifier
Latitude-Longitude/WGS84 (EPSG: 4326)
Distribution format
  • GeoTIFF ( )

OnLine resource
https://doi.org/10.5281/zenodo.6211701 ( WWW:LINK-1.0-http--related )
Hierarchy level
Dataset

Conformance result

Date ( Publication )
2010-12-08
Other citation details
http://data.europa.eu/eli/reg/2010/1089/2014-12-31
Explanation
See specified reference
Pass
Yes
Statement
derived from Copernicus DEM GLO-30

gmd:MD_Metadata

File identifier
c1b4ca8b-81ce-40f1-9100-c7ff5ca44069 XML
Metadata language
en
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2022-05-20T10:46:15
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0.0
Point of contact
mundialis GmbH & Co. KG - ( )

https://www.mundialis.de/en/

Citation proposal


(2022) . Copernicus Digital Elevation Model (DEM) for Europe at 3 arc seconds (ca. 90 meter) resolution derived from Copernicus Global 30 meter DEM dataset.
https://data.opendatascience.eu/geonetwork/srv/api/records/c1b4ca8b-81ce-40f1-9100-c7ff5ca44069

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