Calculation of bottom sediment discharge in trapezoidal channels Shakhboz Latipov, Isroil Gayimnazarov, Sobir Eshev, Iroda Babajanova, Yuldash Babajanov and Bobur Shodiev E3S Web Conf., 264 (2021) 03070 Published online: 02 June 2021 DOI: 10.1051/e3sconf/202126403070