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Assessment of the runoff conditions of small ungauged catchments using GIS and fully distributed hydrologic models

Publication at Faculty of Science |
2014

Abstract

Small river basins are important not only as sources of water during the extreme runoff phases. Especially (je tam 2x za sebou not only) during the quite severe hydrosynoptical situations, it is necessary to determine or at least estimate the production of runoff from these areas.

This is the task facing the hydrological forecast service and floods of 2009-2013 just accented further study of these basins. This case study deals with small basins in NP Czech Switzerland, namely Červený, Jetřichovický and Koutský brook, then the Dlouhá, Suchá and Jetřichovická Bělá.

These basins are characterized by extreme relief rock formations together with basic absence of the monitoring gauges network. For the morphometric and hydrological analyses, particular GIS software products were used, such as ESRI ArcGIS, GRASS GIS and SAGA GIS.

Subsequently, the development of semi-distributed and fully distributed models using HEC-HMS, SIMWE and MIKE SHE/MIKE 11 software packages and mainly industrial standards were the consequent steps. Results of the actual phases of research mentioned above are presented in this article.