Spatial Evaluation of a Hydrological Model on Dominant Runoff Generation Processes Using Soil Hydrologic Maps

Author:

Mohajerani Hadis1ORCID,Jackel Mathias12ORCID,Salm Zoé1,Schütz Tobias2ORCID,Casper Markus C.1ORCID

Affiliation:

1. Department of Physical Geography, University of Trier, 54286 Trier, Germany

2. Hydrology Department, University of Trier, 54286 Trier, Germany

Abstract

The aim of this study was to simulate dominant runoff generation processes (DRPs) in a mesoscale catchment in southwestern Germany with the physically-based distributed hydrological model WaSiM-ETH and to compare the resulting DRP patterns with a data-mining-based digital soil map. The model was parameterized by using 11 Pedo-transfer functions (PTFs) and driven by multiple synthetic rainfall events. For the pattern comparison, a multiple-component spatial performance metric (SPAEF) was applied. The simulated DRPs showed a large variability in terms of land use, applied rainfall rates, and the different PTFs, which highly influence the rapid runoff generation under wet conditions.

Funder

Deutsche Forschungsgemeinschaft

Publisher

MDPI AG

Subject

Earth-Surface Processes,Waste Management and Disposal,Water Science and Technology,Oceanography

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