Ottawa RiverRegulationPlanning BoardCommission de planificationde la régularisationde la rivière des Outaouais

See the “River Conditions Forecast” message (Forecasts page) for details about flood risks. Read more

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Glossary

B C D F G H I P R T W
Base Basi

Baseflow

Water in a stream that comes from groundwater discharging into the surface water system.

Basin

An area of land that channels rainfall and snowmelt into a common outlet, such as a body of water or stream.

Synonyms: drainage basin, watershed, and drainage area.