Flooding Group presentation to class

2. Table of contents
 What
are Floods? Along with the
facts
 Different types of Floods
 Causes of Floods
 Both Positive and Negative effects of
Floods
 Case study
 Mitigation strategies

3. What is Flooding?
IS AN OUTFLOW OF AN EXPANSE OF
WATER THAT SUBMERGES LAND.
OR
A TEMPORARY COVERING BY WATER OF
LAND NOT NORMALLY COVERED BY
WATER

4. Facts about Floods

Sewerage systems may overflow causing
drinking water to become contaminated
resulting in a outbreak in disease;

People and livestock may be killed,
especially when flash floods occur;

As little as 12 inches of fast moving waters
can sweep away a car;

5. Facts Cont’d

When the soil gets saturated, landslide
may occur;

Six inches of fast moving water can
sweep a person away;

6. Types of Floods
 Riverine
flooding:

7. Types Cont’d
Flash
Floods:

8. Types of floods Cont’d
Groundwater flooding:

9. Surface flooding:

10. Causes of
Flooding

Earthquakes

Hurricanes

Climatic Factors

Tsunamis

11. Unnatural Causes
Blasting
Failure
of hydraulic and
other control structures
Deforestation
Destruction of dams

12. Destruction of dams -

13. Effects of floods
Floods impact on both individuals and
communities, have social, economical,
and environmental consequences. The
consequences of floods, both negative
and positive, vary greatly depending on
the location and extent of flooding, and
the vulnerability and value of the natural
and constructed environments they
affect.

14. POSITIVE EFFECTS OF
FLOODS

Renewal of Ground Water and Wetlands

Maintaining Land Mass Elevation

Recharging low or dying water supplies

Returning nutrients to soil

15. NEGATIVE EFFECTS OF
FLOODING
FLOODING CAN AFFECT VARIOUS
ASPECTS OF LIFE SUCH AS:

ECONOMIC

SOCIAL

ENVIRONMENT

16. ECONOMIC EFFECT
 Job
loss
 Loss of investment
 Loss of property

17. SOCIAL EFFECT
 Damage
to and destruction of
buildings
 Loss of life's
 Health related illnesses
 Damage to local infrastructure i.e.
road, bridges

18. ENVIRONMENT EFFECT
 Damage
to plant communities
 Loss of wildlife, including land
and aquatic species
 Soil erosion

19. Which of the following Negative
factors does the video Fall
under?
 A)Economic
 B)Social
 C)Environment
 D)All
of the above

20. On October 2010 grounds in Haiti
were flooded due to a number of
reasons and with it resulted in a lot
of effects.
CAUSES OF FLOODING IN HAITI:
 Hurricane - TOMAS
 DEFORESTATION

21. EFFECTS
 Loss of lives and properties
 Diseases which will eventually
lead to death
 Damage to infrastructure
 Land slippages

23. Mitigation Strategies at the
Community level
Persons can seek to reduce damage of
floods by implementing these strategies:
 Organize a community task force.
 Organize simple EARLY WARNING SIGNS.
 Ask reliable volunteers to observe the
water level.

24. Tips and Precaution
If a flood warning is given or heavy rain
has been experienced for several days,
you will need to:
 Keep
emergency supply.
 Wrap
all important personal items

25. Tips and Precaution Cont’d
 Ensure
 Listen
the radio is in good working.
to your radio to keep informed
about all that’s happening.

26. Safety Action After a Flood

Listen to your radio to keep informed
about all that’s happening.

Do not listen to rumours and do not pass
any along.

Report illnesses to the nearest health
centre or doctor.

Boil drinking water or purify until given
further instructions.

27. Group 6
Group Leader :Jarvis Dacres
Members:
Dwayne Walker
Jonnelle Johnson
Shanay Campbell
Shanaree Prehay
Monique Gallimore
Josimar Lattibeaudiere