<abstract xmlns="http://www.w3.org/1999/xhtml">
<p>Spatially distributed hydrological model Mike SHE was used as a diagnostic tool to provide information on possible overland flow source areas in the mountain catchment of Jalovecký Creek (area 22.2 km<sup>2</sup>, elevation range 820–2178 m a.s.l.) during different rainfall-runoff events. Selected events represented a sequence of several smaller, consecutive events, a flash flood event and two large events caused by frontal precipitation. Simulation of hourly runoff was better for runoff events caused by heavy rainfalls of longer duration than for the flash flood or consecutive smaller runoff events. Higher soil moisture was simulated near the streamflow network and larger possibly saturated areas were located mainly in the upper parts of mountain valleys. The most pronounced increase in the areal extent of possibly saturated areas (from 6.5% to 68.6% of the catchment area) was simulated for the event with high peak discharge divided by a short rainfall interruption. Rainfall depth exceeding 100 mm caused a large increase in the potentially saturated areas that covered subsequently half of the catchment area or more. A maximum integral connectivity scale representing the average distance over which individual pixels were connected varied for the selected events between 45 and 6327 m.</p>
</abstract>

Spatially distributed hydrological model Mike SHE was used as a diagnostic tool to provide information on possible overland flow source areas in the mountain catchment of Jalovecký Creek (area 22.2 km2, elevation range 820–2178 m a.s.l.) during different rainfall-runoff events. Selected events represented a sequence of several smaller, consecutive events, a flash flood event and two large events caused by frontal precipitation. Simulation of hourly runoff was better for runoff events caused by heavy rainfalls of longer duration than for the flash flood or consecutive smaller runoff events. Higher soil moisture was simulated near the streamflow network and larger possibly saturated areas were located mainly in the upper parts of mountain valleys. The most pronounced increase in the areal extent of possibly saturated areas (from 6.5% to 68.6% of the catchment area) was simulated for the event with high peak discharge divided by a short rainfall interruption. Rainfall depth exceeding 100 mm caused a large increase in the potentially saturated areas that covered subsequently half of the catchment area or more. A maximum integral connectivity scale representing the average distance over which individual pixels were connected varied for the selected events between 45 and 6327 m.

Spatial and temporal variability of saturated areas during rainfall-runoff events

Institute of Hydrology, Slovak Academy of Sciences

Institute of Hydraulic Engineering and Water Resources Management

Journal of Hydrology and Hydromechanics

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

Spatially distributed hydrological model Mike SHE was used as a diagnostic tool to provide information on possible overland flow source areas in the mountain...

Spatial and temporal variability of saturated areas during rainfall-runoff events

Publié en ligne: 14 nov. 2023

Pages: 439 - 448

Reçu: 02 juin 2023

Accepté: 08 août 2023

DOI: https://doi.org/10.2478/johh-2023-0025

Mots clés
Mountain catchment, Hourly runoff simulation, Saturated area, Integrated connectivity scale.

© 2023 Patrik Sleziak et al., published by Sciendo

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

Spatial and temporal variability of saturated areas during rainfall-runoff events

Publié en ligne: 14 nov. 2023

Pages: 439 - 448

Reçu: 02 juin 2023

Accepté: 08 août 2023

DOI: https://doi.org/10.2478/johh-2023-0025

Mots clésMountain catchment, Hourly runoff simulation, Saturated area, Integrated connectivity scale.

© 2023 Patrik Sleziak et al., published by Sciendo

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

Mots clés
Mountain catchment, Hourly runoff simulation, Saturated area, Integrated connectivity scale.