first flush

English - Turkish

Definition of first flush in English Turkish dictionary: İlk floş
be in the first flush of something: Birşeyin ilk aşamalarda olmak, birşeyin ilk başlarında olmak

English - English

Definition of first flush in English English dictionary: the delivery of a highly concentrated pollutant loading during the early stages of a storm, due to the washing effect of runoff on pollutants that have accumulated on the land; The delivery of a highly concentrated pollutant loading during the early stages of a storm due to the washing effect of runoff on pollutants that have accumulated on the land; the quantity of pollutants, especially nutrients, in water runoff caused by rainfall is higher at the beginning of a storm than later; The initial runoff from a site/catchment following the start of a rainfall event As runoff travels over a catchment it will pick up or dissolve pollutants and the "first flush" portion of the flow may be the most contaminated as a result This is especially the case in small or more uniform catchments, however, in larger or more complex catchments pollution wash off may contaminate runoff throughout a rainfall event; A form of nonpoint source pollution, the first flush is the first inch of stormwater runoff containing the most pollution The pollution content of urban stormwater in the first inch usually exceeds that of untreated sewage
be in the first flush of something: Be at the start of something