Przedstawiono koncepcję bezzałogowego dronu pływającego po wodach powierzchniowych, ułatwiającego i przyspieszającego wykonywanie pomiarów batymetrycznych. Jest to zdalnie sterowane i w pełni zautomatyzowane urządzenie, będące w fazie testowania. Prezentacja możliwości zastosowania pływającego dronu i pokaz prototypu wzbudziły zainteresowanie na Międzynarodowej Konferencji Naukowej Budownictwa Innowacyjnego Doktorantów i Studentów "InBuild 2013".
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The article presents the concept of an unmanned floating drone, facilitating and accelerating realisation of bathymetric measurements. This fully automated, remotely operated device is currently in the phase of tests. Presentation of the floating drone applications and demonstration of a prototype aroused much interest during the International Scientific Conference of lnnovative Construction for Phd and Msc Students „InBuild 2013”.
One of channel features, which seems to be importantfor river engineering projects, is possibility of existence of natural trends of currents distribution. The recurrence of thalweg direction can be connected among other reasons with the susceptibility to erosion of deposits that build up the channel zone. The aim of the study was determination of alluvia basement influence on channel morphodynamics. The article presents the results of bathymetric measurements that were carried out in two non-engineered sections of the Bug River channel within its Podlaski Gorge and two sections of the Middle Vistula: in the Basonia (Małopolska Gorge) and Dęblin (examples of engineered channel) regions. The study was conducted with the use of sonar coupled with aDGPS receiver. Measurements were performed under conditions of low and medium water levels. The study also included geological research of the river channel (drillings). The analysis of channel morphology changes was performed in GIS environment. The studies have shown a link between morphology of the alluvia basement (composed of erosion-resistant deposits) and the flow directions. This phenomenon is observed in the river channel regardless of the flow rate.
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