Kramm, Tanja 
ORCID: 0000-0003-2684-7157 and Hoffmeister, Dirk
.
Comprehensive vertical accuracy analysis of freely available DEMs for different landscape types of the Rur catchment, Germany.
Geocarto Int..
ABINGDON:
TAYLOR & FRANCIS LTD.
ISSN 1752-0762
Abstract
This study evaluates the vertical accuracy of nine freely available digital elevation models (DEMs) with a medium spatial resolution for a typical mid-latitude flat to hilly landscape in the Rur catchment in Germany. All datasets were evaluated with two reference datasets, a 1 m DEM and a highly precise set of elevation control points. The accuracy was evaluated with regard to different slopes, landforms and land use. The results reveal in flat areas an average error of 2-4 m which increases about two to three times in undulated terrain. Areas with dense tree cover show a mean error of 6-10 m. The highest accuracies were achieved by the SRTM DEM, followed by other DEMs that mainly implemented SRTM data. TanDEM-X and Copernicus DEM showed ambivalent results showing a higher ratio of existing errors in the elevation product for vegetation and water areas that prevent a higher overall accuracy of these DEMs.
| Item Type: | Journal Article | ||||||||||||
| Creators: |
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| URN: | urn:nbn:de:hbz:38-562596 | ||||||||||||
| DOI: | 10.1080/10106049.2021.1984588 | ||||||||||||
| Journal or Publication Title: | Geocarto Int. | ||||||||||||
| Publisher: | TAYLOR & FRANCIS LTD | ||||||||||||
| Place of Publication: | ABINGDON | ||||||||||||
| ISSN: | 1752-0762 | ||||||||||||
| Language: | English | ||||||||||||
| Faculty: | Unspecified | ||||||||||||
| Divisions: | Unspecified | ||||||||||||
| Subjects: | no entry | ||||||||||||
| Uncontrolled Keywords: |
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| URI: | http://kups.ub.uni-koeln.de/id/eprint/56259 |
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