The study of a project's water distribution based upon a hydrological balance, where inflow (diversion into project) is balanced with outflow (precautionary drawdowns, crop consumptive use, deep seepage, surface return flows, and undefined "losses").
HYDROLOGIC STUDY APPROACH
Meaning of HYDROLOGIC STUDY APPROACH in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012