Antarctica Case study Flashcards

1
Q

Climate

A
  • coldest place on earth
  • average temperature is -49 degrees
  • lowest temperature recorded was -89
  • considered a desert due to its dry climate
  • average under 50mm rainfall inland
  • average winds are 60-70mph
  • 6 months dark, 6 months light
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Natural resources

A
  • marine life
  • fossil fuels
  • oil reserves
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Vulnerability as a Global Common

A
  • high demand for its resources
  • vulnerable to climate change
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Name 4 major threats to Antarctica

A

climate change, fishing/whaling, resource exploitation, tourism/research

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How does climate change pose as a threat to Antarctica?

A
  • warmers temperature melt ice sheets, which cause sea levels to rise
  • CO2 stored in the ice sheets is released into the atmosphere
  • the albedo effect is reduced
  • certain marine species have declined due to changing sea temperatures
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How does Fishing and Whaling pose as a threat to Antarctica

A
  • overfishing causes marine life to go extinct
  • up to 120,000 tonnes fished annually
  • currently bans on whaling, due to their endangered populations
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How has resource exploitation posed as a threat to Antarctica?

A
  • oil exploitation disrupts the natural habitat
  • oil spills cause great damage to Antarctica
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How has tourism and scientific research posed as a threat to Antarctica?

A
  • travel to and from Antarctica has greatly increased fossil fuel emissions
  • cruise ship crashes destroy sea ice
  • research bases can disrupt the environment if not handled properly
How well did you know this?
1
Not at all
2
3
4
5
Perfectly