A conventional flow duration curve is a plot between

Flow and percentage time flow is exceeded
Duration of flooding and ground level elevation
Duration of water supply in a city and proportion of area receiving supply exceeding this duration
Flow rate and duration of time taken to empty a reservoir at that flow rate

Correct answer: Flow and percentage time flow is exceeded

Solution

A conventional flow duration curve illustrates the relationship between streamflow rates and the percentage of time that those rates are equaled or exceeded, providing insights into water availability over time.

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