Atmospheric Hazards
Name four atmospheric hazards.
Thunderstorms, Tropical Cyclones, Floods, Sandstorms, Snowstorms, Blizzards
The three most common geological hazards are
Earthquakes, volcanic eruptions and tsunamis.
Primary impacts are
immediate and happen first. They are most likely to cause death or injury.
The four factors affecting vulnerability are
physical factors, economic factors, social and political factors and climate change.
Climate Change is...
The long-term shifts in temperatures and weather patterns due to the burning of fossil fuels, producing gas trapped in the Earth's atmosphere.
What are the four biophysical processes that create atmospheric hazards?
Solar radiation, distribution of land and sea, ocean and air currents (the Coriolis effect), and air pressure.
Transform plate boundaries often cause
One primary impact, one secondary impact and one tertiary impact of Cyclone Alfred would be
Primary - causalities, damage to homes, infrastructure, roads
Secondary - loss of business, schools closed, road blockages, supermarkets empty
Tertiary - loss of tourism, businesses closed down, loss of crops
Adaptation, mitigation and preparedness strategies being expensive to implement relates to...
Economic factors
Explain how climate change increases the Earth's temperatures
teacher discretion
What layer of the atmosphere do atmospheric hazards form?
Troposphere
At what plate boundary do subduction zones occur?
Convergent plate boundary (push)
Explain how the frequency of a natural hazard can affect the impact of a hazard.
If hazards occur with greater frequency, this leaves less time for rebuilding and risk management strategies to be put in place. If they occur infrequently, people may not be well-prepared for an event to occur.
Provide an example of how a physical factor of Cyclone Debbie increased the community's vulnerability to a hazard.
teacher discretion
What are the five main layers of the atmosphere starting from the earth's surface?
What are troposphere, stratosphere, mesosphere, thermosphere and exosphere?
Name three tectonic plates.
Pacific plate, Antarctic Plate, South American plate, Indian plate, Arabian plate, Caribbean plate, Eurasian plate, Australian plate, Nazca plate, North American plate
The eight variables affecting the impact of a natural disaster are... (CAFDDAPS)
Cause, Ability to respond, Frequency, Duration, Damage potential and magnitude, Adaptation, prevention and preparedness, Predictability and Speed of Onset.
Explain how climate change can increase a place's vulnerability to a hazard.
Increased levels of greenhouse gases in the atmosphere are shown to be contributing to a higher frequency of extreme weather events.
Explain how climate change may affect the severity and incidence of atmospheric hazards
teacher discretion
Describe the spatial distribution of thunderstorms in Australia by comparing different states and territories. Explain the reasoning of the distribution by referring to processes that cause atmospheric hazards.
*teacher to show image*
teacher discretion
Name two causes of a volcanic eruption
Rising magmastatic pressure
Lowered lithostatic pressure - Unloading
Hydrothermal alteration
Tectonic Activity
Explain how Japan uses adaptation, prevention and preparedness to mitigate the risks of their natural hazards.
Adaptation - avoiding construction in high risk areas and building infrastructure to withstand earthquakes.
Prevention - Early warning systems, educating the public on safety measures
Preparedness- nationwide disaster drills, encouraging households to maintain emergency kits
Provide a real-life example of when social and political factors reduced a community's vulnerability to a natural hazard.
teacher discretion
How does the CSIRO track the impact of climate change on natural hazards?
teacher discretion