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Copy of Copy of Geography of Natural Hazards and Impact minimisation

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Kristy Broadbridge

on 3 March 2017

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Transcript of Copy of Copy of Geography of Natural Hazards and Impact minimisation

There are two types of Natural Hazards:
What are Geomorphic hazards?
Geomorphic or tectonic hazards

Collapsed buildings destroyed in the 2010 Chile earthquake
Source: Flicker upload bot, 2013.
Haiti earthquake damage, 2010.
Source: http://www.whoi.edu/page.do?pid=83377&cl=70973&tid=5122
The Fukushima tsunami - Japan (2011)
Source: http://theconversation.com/we-should-have-been-prepared-for-the-fukushima-tsunami-5735
Volcanic eruption in Mount Sinabung - Indonesia
Source: http://www.mediaconvey.com/Most%20Dynamic%20Volcano%20erupts%20in%20Indonesia.html
These pictures show hazards that are classified as Geomorphic or tectonic hazards.
Definition

Gemorphic/tectonic hazards are hazards that are caused by movement that occur along weak areas in the earth's tectonic plates. These weak areas are called Plate Boundaries.
Description of each type of Geomorphic hazard
Three types of Geomorphic hazards are:
Earthquakes
Tsunamis
Volcanic eruptions
Santa Maria volcanoe, Guatemala.
Source: geology.com
1. Geomorphic hazards
2. Atmospheric hazards
Also known as Tectonic hazards.
What does a hazard look like?
Volcanoes
Earthquakes - What is an earthquake?
Tsunamis - a Japanese word ; 'tsu' meaning harbour and 'nami' meaning wave. It is also known as seismic wave that is caused by a displacement of a large volume of water due to seismic acitivity.
http://www.bbc.co.uk/schools/gcsebitesize/geography/natural_hazards/tsunamis_rev1.shtml
http://www.australiangeographic.com.au/topics/science-environment/2011/03/tsunamis-how-they-form/
1. What do these pictures tell you about Geomorphic hazards?
Learning outcomes:
1) Differentiate between a hazard and a disaster.
2) List the three different types of Geomorphic Hazards.
3) Using a specific case study, explain how a Geomorphic hazard is formed.
4) Describe some of the effects of Geomorphic hazards.
Group activity (Instructions)
Instructions:
Students are to get into groups of three or four
Choose a geomorphic hazard
Research online and select a local/national/international case study where this hazard occured. Think about your World Heritage Site and choose a hazard that occurs in that region.
Important information to be included :
- The title of the event.
- The type of hazard and how it is formed?
- When and where did this event occur?
- Who was affected and why?
- What did authorities do in response to this event?
- What could authorities have done to minimise the impact of this event?
How earthquakes are measured.
(Source: Geoscience Australia)
Source: Wikipedia.
What is a volcano?
How are volcanoes formed?
This image shows the tectonic plate boundaries on the Earth's outer layer.
The size or magnitude of earthquakes is determined by measuring the amplitude of the seismic waves recorded on a seismograph.
Some important instructions:
Materials needed:
- Geography notebook and pen ready to jot down any important points.
Task Description
a) Australian Curriculum links
http://www.scsa.wa.edu.au/files/eBooks/Geography_Y11_Syllabus_AC_ATAR/
Curriculum content description
b) Description of the WA Curriculum
Course Outcomes - SCASA
The Geography course is designed to facilitate the achievement of three outcomes .

Outcome 1: Geographical Inquiry
Students investigate the interactions that occur within natural and cultural environments in order to make informed decisions and communicate findings.

In achieving this outcomes, students:
- Plan ways to gather and organise geographical information.
- Conduct investigations by using geographical inquiry methods;
- Process and translate information gained from geographical investigations to form conclusions; and
- Evaluate, apply and communicate findings of geographical investigations to suit a purpose or an audience.
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