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23 Cards in this Set
- Front
- Back
What is a Hydro-meterological hazard? |
A hazard that results from atmospheric or hydrological processes. E.g. storms, floods and droughts. |
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What is a Geophysical Hazard? |
A hazard that results from Geophysical or Geomorphological processes. E.g. earthquakes, tsunamis and volcanic eruptions. |
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Define vulnerability |
How susceptible a population is to the damage caused by a hazard. |
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What is capacity to cope? |
It's the ability to deal with the consequences of a hazard. |
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Give four reasons why Global Warming is the greatest hazard: |
1) It can cause the spread of diseases such as Malaria into new areas 2) Vulnerable people are more likely to suffer 3) Rising sea levels 4) Worldwide issue |
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Give four human factors that have lead to an increase in Hydro-meterological hazards: |
1) Rapid population growth - increases number of people who are vulnerable to hazards 2) Increasing world poverty 3) Exploitation of resources such as deforestation, increase the risk of flooding |
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Give two physical factors that have lead to an increase in Hydro-meterological hazards: |
1) Global warming 2) El Nino events |
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Why have deaths from disasters been decreasing? |
Improvement in risk strategies such as: - Prediction - Prevention - Preparedness |
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Why are economic losses increasing from disasters? |
- Growing economies |
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At what boundaries do Volcanoes and Earthquakes occur? |
Volcanoes and Earthquakes occur at constructive boundaries. |
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Why is California at risk from earthquakes? |
Because the San Andreas fault runs the length of California - a conservative plate boundary |
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California has ___ or _____ earthquakes each year above 5.5 on the Richter scale. |
Two or Three. |
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California has ___ or _____ earthquakes each year above 5.5 on the Richter scale. |
Two or Three. |
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Name one past earthquake disaster in California. |
The earthquake in 1906, measuring 7.8, destroyed much of the city. |
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Give three reasons Droughts occur in California. |
Can be caused by Anticyclones, La Niña events and increased wind blowing westward from desert areas. |
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Define the Richter scale. |
The measure of energy released during an earthquake. |
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Define the Richter scale. |
The measure of energy released during an earthquake. |
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Give a devastating effect of Drought in California. |
Wildfires, dry vegetation is extremely flammable and spreads quickly. |
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Name one past Drought caused disaster in California. |
Wildfires, in Southern California in October 2007, killed 22 people and destroyed 1300 homes. |
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How can California be affected by a Tsunami? |
Earthquakes under the Pacific Ocean could cause a Tsunami along the California Coastline. |
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Give an example of how California has been affected by a Tsunami? |
In 1964, Northern California was struck by a Tsunami, killing 12 in Cresent City. |
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Give three reasons why California's population is vulnerable: |
1) More than 70% of California's population live within 50km of the fault line. 2) There's a lot of building on unstable land - can lead to soil liquefaction, which damages buildings and increased risk of Landslides. 3) 20% of residents in Los Angeles live below poverty line - have low CTC. |
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List three ways you could research hazard patterns and risk potential: |
1) Use Ordnance Survey (OS) maps, to find where potential hazards could happen. 2) Use OS maps to look for vulnerable populations |