Flow duration definition

Flow duration means the aggregate time that peak flows are at or above a particular flow rate of interest.

Flow duration means the aggregate time that peak flows are at or above a particular

Flow duration means the time period over which flows occur.

Examples of Flow duration in a sentence

• Flow duration discharges are the representative average flow characteristics for a specified period of time.

• Flow duration curve analysis looks at the cumulative frequency of historic flow data over a specified time period.

• Flow duration curves are a type of cumulative distribution function.

• Flow duration curves serve as the foundation of LDCs and are graphical representations of the flow characteristics of a stream at a given site.

• Flow duration is defined in Attachment C of the permit as “The long-term period of time that flows occur above a threshold that causes significant sediment transport and may cause excessive erosion damage to creeks and streams (not a single storm event duration).

• Flow duration curve for observed and simulated daily streamflows during calibration, Elgin gage (WY 1991-1999).

• Do these performance or design standards require that pre-development hydrology be met for:Flow volumes Yes No Peak discharge rates Yes No Discharge frequency Yes No Flow duration Yes No F.

• Flow duration curve for observed and simulated daily streamflow during calibration, Yorkville gage (WY 1993-2000).

• Flow duration curve for mean annual flow of the Red River at Emerson for the period 1912-2009.

• Flow duration statistics indicate the percentage of time stream flows are equaled or exceeded at a given stream location.

More Definitions of Flow duration

Flow duration means the aggregate time that peak