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Feb 21
A hydrograph is a graph showing the discharge of a river or stream over a period of time. The components of a hydrograph include:
1. Rising limb: The portion of the hydrograph where the discharge is increasing due to rainfall or snowmelt.
2. Peak flow: The highest point on the hydrograph, representing the maximum discharge during a storm event.
3. Recession limb: The portion of the hydrograph where the discharge is decreasing as the storm event subsides.
4. Base flow: The normal, relatively constant flow of a river or stream during dry periods, represented by the flat portion of the hydrograph.
5. Lag time: The time between the peak rainfall and the peak discharge on the hydrograph.
6. Time to peak: The time it takes for the discharge to reach its maximum value after the start of a storm event.
7. Falling limb: The portion of the hydrograph where the discharge is decreasing after the peak flow has occurred.
8. Recurrence interval: The average time between storm events of a similar magnitude that produce the same peak flow.
1. Rising limb: The portion of the hydrograph where the discharge is increasing due to rainfall or snowmelt.
2. Peak flow: The highest point on the hydrograph, representing the maximum discharge during a storm event.
3. Recession limb: The portion of the hydrograph where the discharge is decreasing as the storm event subsides.
4. Base flow: The normal, relatively constant flow of a river or stream during dry periods, represented by the flat portion of the hydrograph.
5. Lag time: The time between the peak rainfall and the peak discharge on the hydrograph.
6. Time to peak: The time it takes for the discharge to reach its maximum value after the start of a storm event.
7. Falling limb: The portion of the hydrograph where the discharge is decreasing after the peak flow has occurred.
8. Recurrence interval: The average time between storm events of a similar magnitude that produce the same peak flow.
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