Preprint Article Version 1 This version is not peer-reviewed

Test of a Modified Rainfall-runoff Model in Large-scale River Basins

Version 1 : Received: 8 October 2019 / Approved: 9 October 2019 / Online: 9 October 2019 (10:16:32 CEST)

How to cite: Giakoumakis, S.; Tigkas, D. Test of a Modified Rainfall-runoff Model in Large-scale River Basins. Preprints 2019, 2019100096 (doi: 10.20944/preprints201910.0096.v1). Giakoumakis, S.; Tigkas, D. Test of a Modified Rainfall-runoff Model in Large-scale River Basins. Preprints 2019, 2019100096 (doi: 10.20944/preprints201910.0096.v1).

Abstract

In this work a modified version of the well-known Simple Water Balance (SWB) model, comprising here three parameters instead of one, was used. Although simple, the model was tested in large-scale river basins in east-central Greece, upstream two hydrometric stations. The available historic runoff records comprised 19 hydrologic years each, on a monthly basis. Thirteen among them were used for calibrating the model, whereas the six subsequent, for validating it. Two different efficiency criteria were used as a measure of performance of the modified model. Their values, calculated for both calibration and validation stages, were close and relatively high. Thus, keeping in mind both the size and complexity of the river basins studied, one can conclude that the modified model, despite its simplistic concept and lumped form, fits satisfactorily the historic runoff series.

Subject Areas

Rainfall-runoff model; large-scale river basins; calibration; validation

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