7.2b Impacts of climate change Flashcards
1
Q
What is an example of positive feedback (climate change)?
A
- Increase in temperature
- Increase in evaporation
- Increase in water vapor in atmosphere
- Increase in absorption of infrared radiation
- Increase in temperature
- Increase in evaporation
2
Q
What is an example of negative feedback (climate change)?
A
- Increase in temperature
- Increase in evaporation in the tropics
- Increase in water vapor in atmosphere
- Increase in snow fall at the poles
- Increase in albedo and the reflection of light and heat
- Decrease in temperature
3
Q
What are some impacts of climate change?
A
- ocean and sea levels
- polar ice caps (420bn tonnes of ice melts every year)
- glaciers
- agriculture and food production
- biodiversity and ecosystems
- water supplies
- human health
- human migration
4
Q
How is “Ice + snow” affected?
A
Retreat of polar ice caps and glaciers
5
Q
How are “coastlines” affected?
A
Increase in sea level causing coastal flooding
6
Q
How are “water cycles” affected?
A
Increase in flooding
7
Q
How are “ecosystems” affected?
A
Change in biome distribution and species
8
Q
How are “water resources” affected?
A
Severe water shortage and possible wars over supply
9
Q
How is “agriculture” affected?
A
May shift towards poles (away from drought areas)
10
Q
How is “coastal occupation” affected?
A
Relocation due to flooding and storms
11
Q
How is “human health” affected?
A
Increased disease
