Catchment area size of depth lines (25 m grid data) (WMS service)
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Provided by Bundesamt für Kartographie und Geodäsie
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Dataset information
Catalog
Country of origin
Updated
Created
Available languages
German
Keywords
Höhe, infoManagementService, NIBIS-Metadaten, infoMapAccessService, OGC::WMS
Datasource
Quality scoring
195
Dataset description
The complex relief parameter ‘intake area size’ describes the size of the catchment area of a grid cell in the depth line. The calculation was carried out using a ‘multiple flow-direction’ algorithm according to the Freeman (1991). The catchment area size of the depth lines was determined in order to obtain an indication for the separation of the valley forms with fluvial or colluvial (flood masses) filling. Depth lines with a catchment area greater than 40 ha are shown.
Freeman, T.G. (1991): Calculating catchment area with divergent flow based on a regular grid. Computers and Geoscience, vol. 17, 3: 413-422.
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