Causes of Floods
Flooding conditions may occur due to:
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River in spate |
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Snowmelt
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Storm surges
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Short intense storm causing
flash floods
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Flooding in rivers in mainly caused by:
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Inadequate
capacity within the banks of the rivers to contain high flows.
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| •
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River bank erosion and
silting of riverbeds.
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| •
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Landslides leading to
obstruction of flow and change in the river course.
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Synchronization of flood
in the main tributary rivers.
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| •
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Flow retardation due
to tidal and backwater effects.
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| •
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Poor natural drainage.
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Cyclone and heavy rainfall.
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