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Advances in Geosciences An open-access journal for refereed proceedings and special publications

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Adv. Geosci., 9, 115-122, 2006
© Author(s) 2006. This work is licensed under the
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26 Sep 2006
Modelling spring flood in the area of the Upper Volga basin
M. Helms, O. Evdakov, J. Ihringer, and F. Nestmann Institute for Water and River Basin Management, University of Karlsruhe, Germany
Abstract. Integrated river-basin management for the Volga river requires understanding and modelling of the flow process in its macro-scale tributary catchments. At the example of the Kostroma catchment (16 000 km2), a method combining existing hydrologic simulation tools was developed that allows operational modelling even when data are scarce. Emphasis was placed on simulation of three processes: snow cover development using a snow-compaction model, runoff generation using a conceptual approach with parameters for seasonal antecedent moisture conditions, and runoff concentration using a regionalised unit hydrograph approach. Based on this method, specific regional characteristics of the precipitation-runoff process were identified, in particular a distinct threshold behaviour of runoff generation in catchments with clay-rich soils. With a plausible overall parameterisation of involved tools, spring flood events could successfully be simulated. Present paper mainly focuses on the simulation of a 16-year sample of snowmelt events in a meso-scale catchment. An example of regionalised simulation in the scope of the modelling system "Flussgebietsmodell" shows the capabilities of developed method for application in macro-scale tributary catchments of the Upper Volga basin.

Citation: Helms, M., Evdakov, O., Ihringer, J., and Nestmann, F.: Modelling spring flood in the area of the Upper Volga basin, Adv. Geosci., 9, 115-122, doi:10.5194/adgeo-9-115-2006, 2006.