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Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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This preprint has been withdrawn.

Short summary
We are assessing the spatial organisation of catchments by a flow path orientated analysis of soil and topographical characteristics. These information are used to identify heterogeneous regions within a watershed and, hence, require subdivision. Based on this analysis we developed an algorithm to perform an automated and impartial sub-basin ascertainment. Results can be used for the spatial set up of hydrological models or catchment classification schemes.
Preprints
https://doi.org/10.5194/hess-2016-486
https://doi.org/10.5194/hess-2016-486

  28 Sep 2016

28 Sep 2016

Review status: this preprint has been withdrawn by the authors.

Spatial organisation of catchments – assessment and usage for impartial sub-basin ascertainment and classification

Henning Oppel and Andreas Schumann Henning Oppel and Andreas Schumann
  • Institute of Hydrology, Water Resources Management and Environmental Engineering, Ruhr-University Bochum, Bochum, 44801, Germany

Abstract. A hydrological model should represent the hydrological most relevant catchment characteristics. These are heterogeneously distributed within a watershed but often interrelated and subject of a certain spatial organisation. In order to reproduce the natural rainfall-runoff response the reduction of variance of catchment properties as well as the incorporation of the spatial organisation of the catchment is desirable. In this study the method of the characteristic structure is introduced to detect and visualize the spatial organisation of catchments, based on stream flow length rearrangement of any catchment feature of interest. Moreover, the method is implemented in an algorithm for automated sub-basin ascertainment, which includes the definition of zones within the newly defined sub-basins. The algorithm is applied on two parameters characterising topography and soil of four mid-European watersheds. Results indicate a wide range of applicability for the method and the algorithm. As a limitation of the application for the algorithm the presence of small scale soil enclosures that do not follow the geomorphologic structure of the catchment could be identified. Finally, results of subdivisions based on soil and topography were intersected to gain insight into catchment organisation. Based on this analysis four types of physiographical types could be established.

This preprint has been withdrawn.

Henning Oppel and Andreas Schumann

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Status: closed
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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement

Henning Oppel and Andreas Schumann

Henning Oppel and Andreas Schumann

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This preprint has been withdrawn.

Short summary
We are assessing the spatial organisation of catchments by a flow path orientated analysis of soil and topographical characteristics. These information are used to identify heterogeneous regions within a watershed and, hence, require subdivision. Based on this analysis we developed an algorithm to perform an automated and impartial sub-basin ascertainment. Results can be used for the spatial set up of hydrological models or catchment classification schemes.
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