GIS-based approach to estimate surface runoff in small catchments: a case study
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Date
2016
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Wydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewicza
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Abstract
The issue of surface runoff assessment is one of the important and relevant topics of hydrological as well as
geographical research. The aim of the paper is therefore to estimate and assess surface runoff on the example of Vyčoma
catchment which is located in the Western Slovakia. For this purpose, SCS runoff curve number method, modeling
in GIS and remote sensing were used. An important task was the creation of a digital elevation model (DEM), which
enters the surface runoff modeling and affects its accuracy. Great attention was paid to the spatial interpretation of
land use categories applying aerial imagery from 2013 and hydrological soil groups as well as calculation of maximum
daily rainfall with N-year return periods as partial tasks in estimating surface runoff. From the methodological point
of view, the importance of the paper can be seen in the use of a simple GIS-based approach to assess the surface runoff
conditions in a small catchment.
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Keywords
surface runoff, GIS, SCS runoff curve number method, land use, small catchment
Citation
Quaestiones Geographicae vol. 35 (3), 2016, pp. 97-116