TY JOUR TI Plotting water flow rates in small watercourses by means of an above-water unmanned vehicle in order to find the source of pollutant discharges KW surface unmanned vehicle KW geographic information systems KW hydrological post KW flow rate curves KW water flow sensor KW wastewater disposal KW stream flow KW flow velocity JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Naumenko, N.. AU Shiryaeva, M.. AU Pilipenko, T.. PY 2024 IS 2024 PB Astrakhan State Technical University