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JustTeach

A-Level Geography Resource File

Natural Hazards
Simon Ross Tim Bayliss Lawrence Collins




Licensed to:
cross Academe

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JustTeach

A-LeveL GeoGrAphy resource FiLe
A-Level Geograph y Resourc e F i l e
Natural Hazards
Simon Ross Tim Bayliss Lawrence Collins




crossAcademe
Natural Hazards
Topic 1 Recent trends in natural hazards . . . . . . . . . . . . . . . . . .…

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recent trends in natural Ha za rdS
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1 Lesson ideas for teachers

Considering the big picture
With a rapidly growing population, the world's exposure to natural hazards is inevitably
increasing. This is particularly true in coastal areas, where greater exposure to floods,
tropical cyclones and tsunamis…

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recent trends in natural Ha za rdS
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1 Lesson ideas for teachers
(continued)
Student activities

1 There are lots of possible questions that can be considered:
What is the meaning of `events'?
Is it really likely that the number of earthquake events is increasing?
Why is…

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recent trends in natural Ha za rdS
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1 Lesson ideas for teachers
(continued)
Impact of climate change
Resource 4 considers the possible impacts of climate change on the Ferghana Valley
in Central Asia. It seems likely that climate change will have an effect on the spatial…

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RE C EN T TRE N DS IN N ATUR AL Ha z ardS
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Trends in the number of reported
hazard events, 1900­2000


Number of events
per year
450 Trends in number of reported events
Much of the increase in the…

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RE C EN T TRE N DS IN N ATUR AL Ha z ardS
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Global variations in natural disasters,
1974­2003




H

Disaster Distributed
frequency
H




L-M
Total number
0­30 31­120 121­500
of disasters




Source: EM-DAT ­ the OFDA/CRED International Disaster Database…

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RE C EN T TRE N DS IN N ATUR AL Ha z ardS
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Global natural catastrophes, 2009




Hazard location Geophysical events Hydrological events
(earthquake, tsunami, (flood, mass movement)
Costliest/deadliest events volcanic eruption)
Climatological events
Meteorological events (extreme temperature, drought,
(storm)…

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RE C EN T TRE N DS IN N ATUR AL Ha z ardS
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Possible impact of climate change on
natural hazards: the Ferghana Valley




Topography 0 km 200
Lowlands and piedmont areas
Mountainous regions (above 1500 metres) Potential impacts of…

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recent trends in natural Ha za rdS
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1 Student questions

Trends in disasters
1 Study Resource 1.

aCompare the trends for `Earthquakes' and `All disasters' (1900­2000).

bSuggest reasons for the differences you have observed.

cSuggest the likely changes for both lines to 2010.

2 Suggest reasons…

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