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The aim of this work is calibration of a 1D numerical model of river flow within the Lower Biebrza Basin. To simulate the flow in the Biebrza valley, a one-dimensional unsteady open – channel flow model UNET, which is a component of computer software HEC-RAS, was applied. The geometry of the river channel and floodplain are described by cross sections in the number of 47. The river cross sections...
The diversity of solute flow was determined according to 1981-2000 data, taking into account environmental factors. The water assessment was based on analysis results from 19 rivers in the area between the Wisła and Bug rivers (Fig. 1). Based on average annual values of six parameters (general mineralisation in the form of dry residue, concentrations of dissolved oxygen and of chloride, phosphate...
Prowadzono monitoring poziomu stężeń wybranych zanieczyszczeń w próbkach wód opadowych, spływnych, gruntowych i rzecznych, pobieranych wzdłuż dróg o różnym natężeniu ruchu pojazdów. Zlokalizowano pięć stałych punktów pobierania próbek wzdłuż dwóch szlaków komunikacyjnych; drogi o małym natężeniu ruchu nr 501 w miejscowości Sztutowo oraz wzdłuż drogi krajowej nr A7 na odcinka Nowy Dwór Gdański - Elbląg...
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