8653021
Flood Hydrographs
- 'Flashy' Hydrograph
- Responds
quickly to
rainfall
- Steep rising
and falling
limbs
- High peak
discharge
- Recorded
over a 26
hour period
- Short lag
time
- Responds
quickly to
rainfall
- 'Non-Flashy' Hydrograph
- Responds
slowly to
rainfall
- Gentle rising
and falling
limbs
- Low peak
discharge
- Recorded
over a 4 day
period
- Long lag
time
- Responds
slowly to
rainfall
- Keywords
- Falling Limb
- The period
of time
when the
rivers
discharge is
falling
- Rising Limb -
The period
of rising
river
discharge
following a
period of
rainfall
- Peak Discharge
- The time of
maximum
discharge by the
river
- Normal Flow
- The base
flow of a
river
- Peak rainfall
- the hour of
greatest
rainfall
during a
storm
- Lag Time -
The period
of time
between
peak rainfall
and peak
discharge
- Falling Limb
- The period
of time
when the
rivers
discharge is
falling
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