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8653021
Flood Hydrographs
Description
A level Geography - Physical Mind Map on Flood Hydrographs, created by Liam Cooney on 24/04/2017.
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geography - physical
a level
Mind Map by
L C
, updated more than 1 year ago
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Created by
L C
over 7 years ago
112
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Resource summary
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
'Non-Flashy' Hydrograph
Responds slowly to rainfall
Gentle rising and falling limbs
Low peak discharge
Recorded over a 4 day period
Long lag time
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
Media attachments
A01c003c2445f4946103ae49c84306d08a9c1bab (image/gif)
Picture2 (image/jpeg)
Storm%20 Hydrograph%20 %20 Low%20 Peak%20 Discharge (image/png)
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