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The Biebrza River valley is covered by different types of vegetation as grasses, sedges, reeds, shrubbery and trees. In compliance with the elements of methodology of the river-bed flow capacity calculations has been distinguishable oneself three types of vegetation height. High vegetation is considered as higher than the water level flow. Vegetation which height is equal to water level, mainly is...
The influence of shrubs and trees growing on the floodplain was based on results of the discharge calculation. The discharges in described examples were calculated assuming the decrease of shrubs’ surface and concentration of vegetation. Ali the calculations of discharges were based on the guidelines of hydraulic applied by Union of Engineers of Water Management and Engineering Environment in German...
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