Journal cover Journal topic
Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/hess-2016-531
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Technical note
09 Nov 2016
Review status
A revision of this discussion paper is under review for the journal Hydrology and Earth System Sciences (HESS).
Cascade of submerged reservoirs as a rainfall-runoff model
Jacek Kurnatowski Department of Hydroengineering, West Pomeranian University of Technology in Szczecin, Al. Piastów 50, 70-311 Szczecin, Poland
Abstract. The rainfall-runoff conceptual model as a cascade of submerged linear reservoirs with particular outflows depending on storages of adjoining reservoirs is developed. The model output contains different exponential functions with roots of Chebyshev polynomials of the first kind as exponents. The model is applied to IUH and recession curves problems and compared with the analogous results of the Nash cascade. Case study is performed on a basis of 46 recession periods. Obtained results show the usefulness of the model as an alternative concept to the Nash cascade.

Citation: Kurnatowski, J.: Cascade of submerged reservoirs as a rainfall-runoff model, Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2016-531, in review, 2016.
Jacek Kurnatowski
Jacek Kurnatowski
Jacek Kurnatowski

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Short summary
The research deals with the problem how a rainfall affects a flow in a catchment. Till present, one of the most popular solutions is to imagine the catchment as a cascade of tanks where the outflow from any tank is the supply to the next one. This idea is modified in the paper and the cascade is shown as a sequence of submerged tanks where each tank can be supplied from both sides. Performed tests show that in some cases this concept may be better than classical cascade.
The research deals with the problem how a rainfall affects a flow in a catchment. Till present,...
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