Mapping of the Morava river bed morphology at the locality Kvasice and Bělov

Vol.15,(2008)

Martin Faměra Ondřej Bábek Pablo Rigual Hernández

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Abstract
Sedimentary bodies in recent water courses represent potential accumulations of anthropogenic heavy metals and persistent organic pollutants. Three techniques were used for the mapping of underwater topography of rivers and the shape of the sediment bodies in the Morava River: single-beam sonar bathymetric profiles, flow area measurement using the StreamPro device, and image analysis of aerial photography. In this paper, we compare the above-mentioned methods with respect to their accuracy and time consuming. Despite its limited accuracy, image analysis of aerial photographs can give a quick overview of the distribution and topography of major underwater sedimentary bodies.

Keywords:
river regulation; depositional architecture; image analysis; sonar; StreamPro
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