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Chapter 6: Managing natural hazards - Coggle Diagram
Chapter 6: Managing natural hazards
Clasifications
Duration
Short Term
Long term
Origin
Geological
Tectonic plates
"portions of the crust"
Tectonic Boundaries
Destructive
Conservative
Constructive
Earthquakes
Ritcher Scale
Focus is where it begins (UNDERGROUND)
Epicenter is the location on the surface
Tsunamis
Submarine Earthquakes
Volcanos
Shield Volcanos
Composite Volcanos
After the volcanic euruption, te soil is more fertile
Climatic
Tropical Cyclones/Storms
Atlantic ocean and eastern pacific: Hurricane
THE SAME
Wester pacific: Typhoon
Indian ocean and Australia: Cyclones
5 Categories
Conditions needed
Hot water
End of summer
Shallow waters
Near the Ecuator
Little wind
Circular storm
Characteristics
Low pressure
Extreme winds
Heavy Rains
Floods
River Overflows
Due to Human or natural events
Natural
Soil and rock type
Relief
Another natural hazard
Weather
Human
Defosretation
Urbanization
Agriculture
Climate Change
Droughts
Can occur everywhere
Lack of rain or heavy evaporation
Natural reasons
Changes in atmospheric patterns
El Niño
Human reasons
Building a dam
Agriculture
Deforestation
The impact depends of
Lenght
Vulnerability of people affected
People preparation
Protection/Prevention
Earthquakes
Prevention
A earthquake can be prevented seconds before only
Seismometers
Unusual animal activity
Protection
Earthquake proof buildings
No bricks
Flexible pipes
Fire resistant materials
Tropical Cyclones
Prevention
Sateliltes
Protection
Shelters
Building of stilts
Embankments built along coast
Floods
Prevention
Monitoring rainfall
Protection
Engineering projects
Restrict development on flood plains
Higher terrain for buildings
Adapted houses
Droughts
Prevention
Monitoring rain and temperatures
Protection
Water Reserves (tanks)
Planting crops that can resist
Goverment supplies
Building dams and reservoirs
