<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>A semi-distributed rainfall-runoff Approximate Redistributive Balance (ARB) model is currently in development as a tool for the assessment and analysis of the water management balance at the level of micro-basins on the territory of Slovakia. For the winter season, it is necessary to supplement the model with a sub-model for calculating the snow water equivalent (SWE) with a comparatively low amount of the input data necessary. Since SWE models generally operate in a daily time step, a new sub-model was developed and tested in monthly and weekly time steps in 30 meteorological stations in the north of Slovakia. When compared in a weekly time step with the snow sub-model of the HBV rainfall-runoff model and when the impact of switching from a monthly to weekly time step on the quality of the runoff simulation was evaluated, the results showed that the snow sub-model does react to sudden snowmelt better when compared to the modified version of the HBV snow sub-model used. Using a weekly time step for the snow sub-model in a monthly ARB model runoff simulation showed an increase of accuracy (NSE change from 0.89 to 0.92) in one case, while maintaining the same level of accuracy in the second one.</p>
</abstract>

A semi-distributed rainfall-runoff Approximate Redistributive Balance (ARB) model is currently in development as a tool for the assessment and analysis of the water management balance at the level of micro-basins on the territory of Slovakia. For the winter season, it is necessary to supplement the model with a sub-model for calculating the snow water equivalent (SWE) with a comparatively low amount of the input data necessary. Since SWE models generally operate in a daily time step, a new sub-model was developed and tested in monthly and weekly time steps in 30 meteorological stations in the north of Slovakia. When compared in a weekly time step with the snow sub-model of the HBV rainfall-runoff model and when the impact of switching from a monthly to weekly time step on the quality of the runoff simulation was evaluated, the results showed that the snow sub-model does react to sudden snowmelt better when compared to the modified version of the HBV snow sub-model used. Using a weekly time step for the snow sub-model in a monthly ARB model runoff simulation showed an increase of accuracy (NSE change from 0.89 to 0.92) in one case, while maintaining the same level of accuracy in the second one.

Development of a Conceptual Snow Sub-Model: Application in Meteorological Stations, Slovakia

Dept. of Land and Water Resources Management, Faculty of Civil Engineering

Slovak University of Technology in Bratislava

Slovak Journal of Civil Engineering

This work is licensed under the Creative Commons Attribution 4.0 International License.

A semi-distributed rainfall-runoff Approximate Redistributive Balance (ARB) model is currently in development as a tool for the assessment and analysis of the...

Development of a Conceptual Snow Sub-Model: Application in Meteorological Stations, Slovakia

Publié en ligne: 28 sept. 2023

Pages: 1 - 11

DOI: https://doi.org/10.2478/sjce-2023-0015

Mots clés
Snowmodel, Approximate redistributive balance, Water evaluation and planning, Runoff, Snow water equivalent

© 2023 Miroslav Kandera et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Development of a Conceptual Snow Sub-Model: Application in Meteorological Stations, Slovakia

Publié en ligne: 28 sept. 2023

Pages: 1 - 11

DOI: https://doi.org/10.2478/sjce-2023-0015

Mots clésSnowmodel, Approximate redistributive balance, Water evaluation and planning, Runoff, Snow water equivalent

© 2023 Miroslav Kandera et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Mots clés
Snowmodel, Approximate redistributive balance, Water evaluation and planning, Runoff, Snow water equivalent