Abstract
Summary Combination of high-resolution seismic and GPR surveys were developed for mapping river bed morphology and characterizing the river bed sediments. Careful survey execution and processing of the recorded data results not only centimeter accurate map of the river bed morphology, but also delineates sediment units with different reflectivity. Calibrating the geophysical attributes with sediment and rock samples collected at the river bottom results a three-dimensional input dataset for dynamic modelling of river bed evolution and sediment transport. Shallow river sections from the Hungarian part of river Danube were selected as study areas and were surveyed with combined seismic and underwater GPR technology.
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