runoff

UK
/ˈrʌn.ɒf/
US
/ˈrʌn.ɔf/

Exemples

If there were not enough surface runoff injected to groundwater system, ground water would eventually become unusable.

Si le système d’eau souterraine ne recevait pas assez de ruissellement de surface, les eaux souterraines finiraient par devenir inutilisables.