@ARTICLE{Aberle_Jochen_The_2020, author={Aberle, Jochen}, number={Nr 2 (66) Water}, journal={ACADEMIA. The magazine of the Polish Academy of Sciences}, pages={46-50}, howpublished={online}, year={2020}, publisher={Polish Academy of Sciences}, language={eng}, abstract={Environmental hydraulics is a sub-branch of environmental fluid mechanics that deals with the movement of water and transport processes in both natural water bodies and engineered waterways. Techniques developed to evaluate flow resistance in man-made conduits can be successfully applied to natural waterways.}, type={Article}, title={The roughness of waterways}, URL={http://journals.pan.pl/Content/117875/PDF/46-50_Aberle_ang.pdf}, doi={10.24425/academiaPAS.2020.134859}, keywords={environmental hydraulics, watercourses, water movement, roughness, flow resistance}, }