During the 2010 flood in the Odra basin a measuring campaign was executed that produced a set of data on peak discharges. Flow measurements located near gauging stations were taken from a boat with an Acoustic Doppler Current Profiler (ADCP) equipped with a GPS. The paper presents a detailed analysis of the records, including referencing to ortophotomaps, to assess the quality of ADCP recording, local flow characteristics and finally to re-evaluate the total discharge values. Further, the flow is divided between the main channel and the floodplains, while the main channel in the case of the presence of groynes is additionally divided into a central zone between the groynes and zones of groynes. Partitioning of particular zones to the total discharge is calculated along with average and maximum local flow velocities. The study delivers data for the development of more reliable numerical modelling tools, which in turn may fulfil the measuring gaps in situ. It is shown that the modern field data acquisition GIS post processing, and numerical modelling support each other and improve the final overall result, bringing hydrologic products to a higher standard. The synergy of hydraulics and geoinformatics in hydrology is therefore highly recommendable.
Abstract. For Polish municipalities -basic units of local government (LGU), flood constitutes a significant source of material losses resulting both from flood damages and from the costs of restoring the regular functioning of the municipalities after the disaster is gone. Authors stated a thesis that the municipality, despite its constitutional obligations connected with providing the safety for its citizens, is not capable to bear the financial burden shaping the flood protection system in the basin. It is, however, due to support the flood protection system by strengthening its adaptive potential and adaptive capacity for efficient limitation of adverse consequences of flood. To justify this thesis, the financial condition of the municipalities threatened with flood was compared to the size of potential flood losses for floods of the medium probability of occurrence (p = 1%). Authors have shown that the municipality's structure, more than its budget size decides about its financial potential. Especially the municipality's own revenue is an evidence for the determined financial potential, at the same time, it can be a source of the undertaken actions in order to increase the level of the municipality's adaptability in the context of flood hazard. Conducted analyses allow to shape the flood risk management policy, both at the municipal level and on a national scale.
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