climate change

Question 1

how fast are temperatures warming at the antarctic peninsula

Answer 1

approx. x6 FASTER than the global average

Question 2

how much have air temps increased at the peninsula from 1950-2001

Answer 2

2.5

Question 3

over the last 50 years what has the peninsula become

Answer 3

one of the fastest warming parts of the planet

Question 4

what did scientist allison cook find out about glaciers

Answer 4

87% glaciers around peninsula are receding

Question 5

what year did regional warming begin at the peninsula

Answer 5

1930

Question 6

how much sea levels risen since the 1990s

Answer 6

3mm per yr

Question 7

describe a positive feedback loop due to global warming starting w increasing temps

Answer 7

> sea ice melts > decreased albedo effect > more heat absorbed into ocean > more sea ice melts

Question 8

how much ice has been lost since the 1950s

Answer 8

25,000km2 of ice shelf

Question 9

what is causing the decline in the pH of ocean water

Answer 9

increased amount of atmospheric co2