نبذة مختصرة : Koeficijent otjecanja odnos je efektivne (neto) oborine i oborine koja padne na sliv. Zbog porasta ekstremnih vremenskih uvjeta potreba za istraživanjem i analizom koeficijenta otjecanja postaje sve veća, posebice zbog problema vezanih uz učestalost poplava. Na temelju dobivenih hidroloških i meteoroloških podataka za 2019. godinu te potrebnih GIS podataka izračunat je koeficijent otjecanja sliva rijeke Bednje. Primjena GIS-a (Geografskog Informacijskog Sustava) vrlo je značajna u upravljanju i istraživanju vodnih resursa, kod modeliranja u slivovima, izradi podloga za vodoopskrbne planove i slično. U GIS-u je dobivena karta sliva rijeke Bednje s izračunatim površinama utjecajnih područja metodom Thiessenovih poligona. ; The runoff coefficient represents the ratio of the effective (net) precipitation to the precipitation that falls to the basin. Due to the increase in extreme weather conditions the need for research and analysis of the runoff coefficient is becoming more important , especially due to problems related to the frequency of floods. The runoff coefficient of the Bednja River basin was calculated based on the obtained hydrological and meteorological data for 2019 and the necessary GIS data. The application of GIS (Geographic Information System) is very important in the management and research of water resources, in modeling of watersheds, in the creation of bases for water supply plans and the like. By using GIS a map of the Bednja River basin is shown with the calculated surface of affected areas using the Thiessen polygon method.
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