Natural Hazards
Example of a natural hazard
tropical storm, earthquake, volcanic eruption, tsunami, flood
Thar Desert
Sahara Desert
Name a tropical rainforest
The Amazon, Brazil
what is erosion
wearing away of rock
what is the fancy name for sand?
Define a natural hazard
a natural event that has negative impacts on people
How much precipitation in a desert?
less than 250mm per year
How much precipitation in the TRF?
More than 2,000mm per year
what is deposition
building up of rock
Name a type of erosion
hydraulic action, attrition, abrasion, solution
Where are most earthquakes and volcanoes found?
tectonic plate boundaries
Temperature in desert?
40 degrees + in day
below 0 degrees at night
Plant adaptation
drip tip leaves to allow water to run off
tall trees to get light
what is a meander?
bend in a river
what are hard and soft engineering?
stop erosion
Which earthquake case studies did we look at?
Haiti & L'Aquila
Give an adaptation of an animal
- camel stores fat because there is no food, because less than 250mm rainfall
- Camel thick skin on feet so don't burn 40 degrees +
How to stop deforestation?
education, ecotourism, selective logging
Flood event?
Boscastle
example hard engineering
groynes, rock armour, gabions, sea wall
Why was Haiti more damaged than L'Aquila?
Haiti is an LIC: houses poor quality, don't have money to repair, don't have money to prepare
Opportunities for development in desert
tourism, energy, farming, mining
Causes of deforestation
commercial logging, cattle farming, road building, building houses
name a landform in upper coursed
water fall, gorge, interlocking spurs
example soft engineering
beach nourishment, dune regeneration, beach reprofiling