TY JOUR TI Optimization of hydrological calculations for surface and drainage runoff treatment systems KW surface runoff KW treatment facilities KW pollution of a water body KW water body KW precipitation KW hydrological characteristics KW runoff KW water flow KW flood KW rain flood KW dilution factor KW availability KW repeatability KW reliability JO Proceedings of Petersburg Transport University AU Kanciber, Y.A. AU Ponomarev, A.B. AU Shtykov, V.I. PY 2024 IS 21 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"