. Flashcards
1
Q
What is a natural event?
A
An event caused by the earth without social impact
2
Q
What is a natural hazard?
A
An natural event that has a social impact
3
Q
5 examples of natural events
A
Volcanic eruptions/earthquakes/storms/tsunamis/floods
4
Q
Factors affecting risk from natural hazards
A
- Poverty
- Urbanisation
- Farming
- Climate change
5
Q
Why live at risk from tectonic hazards
A
- Fertile soils
- Tourism
- Poverty
- Resources
6
Q
Reducing the risks of tectonic hazards
A
- Monitoring
- Planning
- Prediction
- Protection
7
Q
Proof of climate change
A
- Shrinking glaciers and ice sheets
- Rising sea levels
- Seasonal changes
8
Q
Natural causes of climate change
A
- Volcanic activity-Emits sulphur dioxide, a greenhouse gas
- Earths orbit-Earth tilts from 21* to 23*
- Sun heat output-when at maximum the sun is letting out most heat
9
Q
Human causes of climate change
A
- Carbon dioxide emission, eg burning if fossil fuels
- Methane, eg livestock
- Nitrous oxides, eg car exhausts
10
Q
Managing the impacts of climate change
A
- Carbon capture
- Planting trees
- Alternative energy sources
- International agreements
11
Q
Reducing the effects of tropical storms
A
- Monitoring
- Protection
- Planning
12
Q
Economic developments of rainforests
A
Gains
- Development of agriculture
- Tax for government
- Improved infrastructure
- Raw materials
- Hydroelectric power is cheap and renewable.
- Gold can be sold
Losses
- Water shortages
- Fires can burn out of control
- Rising temperatures can ruining farming
- Plants become extinct(medical benefits)
- Tourist number decreases
13
Q
Opportunity and challenges in (Svalbard) Cold Environments
A
Opportunity
- Mineral extraction
- Energy supply
- Fishing
- Tourism
Challenges
- Extreme temperatures
- Construction
- Services
- Accessibility
14
Q
Rivers
Uses
A
- Transport
- Hydroelectricity
- Tourism
- Agriculture
15
Q
- Source
- Confluence
- Meander
- Tributary
- Drainage basin
- River bank
- River bed
- River channel
- Floodplain
- Bed load
- Watershed
- Mouth
A
- Where river starts
- Where two rivers join
- Large corner in river
- Where small river joins a big one
- Area of land drained by a river
- Land on either side of a river
- Base of river
- Where river flows
- Land alongside river
- Rocks transported by the river
- Edge of drainage basin
- Where river meets lake or sea