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2. ANISHA A.M.
GEOGRAPHY
EMMANUEL COLLEGEOF B.Ed
TRAINNING, VAZHICHAL

3. Sometimes a river receives too much extra
water, either from heavy rain or other natural
disasters. When this happens, the water
overflows from its normal path in the river bed
and onto dry land. This is called a flood.

4. AREAL FLOOD
RIVER FLOOD
FLASH FLOOD
COASTAL FLOOD

5. AREAL FLOOD
Gradual flooding of
low-lying areas after a
moderate persistent
rain.

6. RIVER FLOOD
Specific point along a
river surpasses flood
stage, overcoming its
banks.

7. FLASH FLOOD
Fast occurring flood (6 hours
or less as small creeks over
flow their banks.

8. COASTAL FLOOD
An especially high tide,
heavy rain and strong winds
move water on shore.

9. Rains
River overflow
Strong winds in coastal areas
Dam breaking
Ice and snow- melts

10. Sea / Coastal Defence Walls
Retaining walls
Town planning
Vegetation
Education
Detention basin