Presentations text content in TYPES OF HAZARD
Slide1
TYPES OF HAZARD
WORLD AT RISK
Slide2What you should achieve this lesson
Know some key terms in relation to the topic
Understand how to classify different hazard types
Recognise the difference between a natural hazard and a disaster
Slide3Key terms
With a partner I want you to try to come up with and write a definition of the following:
Natural Hazard
Disaster
Risk
Vulnerability
Hydro-meteorological hazard
Geophysical hazard
Slide4Natural hazard
A
natural hazard
is a naturally occurring
process
or
event
which
affects people, e.g
.
causing loss of life or injury, economic damage, disruption to people’s lives or environmental degradation.
Without people it is just a natural event
not a hazard, it needs the interaction of people to make it a hazard.
Slide5Natural hazard
Hazardous geophysical event e.g. flood or earthquake
Vulnerable population: susceptible to human and economic loss
NO NATURAL HAZARD
No interaction of human and physical systems
Slide6Natural hazard(Dregg’s model)
Hazardous geophysical event e.g. flood or earthquake
Vulnerable population: susceptible to human and economic loss
NATURAL HAZARD
Interaction of human and physical systems
DISASTER
Slide7Disaster
“The
realisation
of a hazard, although there is no universally agreed definition of the scale on which loss has to occur to qualify as a disaster.”
(Smith 1996)
Slide8Risk
Risk is the
exposure of people
to a hazardous event which may present a potential threat to people or their possessions, including buildings and structures.
Slide9Vulnerability
Vulnerability is the
degree
to which you are
susceptibl
e to physical or emotional injury or attack
Slide10What is the connection?
GROUP 1ALL ARE HYDRO-METEROLOGICAL HAZARDS
Slide11What is the connection?
GROUP 2ALL ARE GEOPHYSICAL HAZARDS
Slide12What is the connection?
GROUP 3COULD FIT INTO EITHER
Slide13Hydro-meteorological hazard
Discuss with your partner what you think this means
Hydro-meteorological Hazard
Natural processes or phenomena of
atmospheric, hydrological or oceanographic nature
, which may cause the loss of life or injury, property damage, social and economic disruption or environmental degradation
Slide14HYDRO-meteorological hazards
Examples:
Cyclones, droughts
, floods
, storm surges, thunder/hailstorms, rain and wind storms, blizzards and other severe storms; desertification,
wildland
fires, temperature extremes, sand or dust storms; permafrost and snow or ice
avalanches.
Hydrometeorological
hazards can be single, sequential or combined in their origin and effects.
Slide15Geophysical hazards
Discuss with your partner what you think this means
Geophysical Hazard
Natural hazards where the principal causal agent is
geological, geomorphological
(e.g. landslides, tsunamis, volcanoes and earthquakes). They
do not
include biological hazards
.
Slide16Chronic hazards
Discuss with your partner what you think this means
Chronic Hazard
A hazard that is
long-term and persistent
Examples:
El Nino
Global Warming
Slide17What do you think?
Are hazards really ‘natural’?
Slide18homework
Create a mini case study on Hurricane Irene
Watch the news
Read the papers
Look online
Where and why
What impacts have there been (short and long term; local, national, international)
Cost
Were any precautionary measures in place
Slide19
TYPES OF HAZARD
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