Antartica: a global common - climate and evironment Flashcards
1
Q
it is the southern most…
A
contintnet
2
Q
how much area does it cover?
A
14 million km2
3
Q
majority is covered in…
A
ice
4
Q
it is the largest..
A
ice sheet in the world
5
Q
how much of the earth’ surface freshwater does it house?
A
90%
6
Q
what kind of environments..
A
most extreme
7
Q
temperature
A
coldest place on earth, -40oC
8
Q
how dry is it
A
priests places on earth
9
Q
where receives the most precipitation?
A
the coast
10
Q
how much precipitation on the coast?
A
400 mm - 600 mm+ a year
11
Q
how is precipitation inland?
A
barely any, under 50 mm a year
12
Q
uk average annual rainfall compared to Antartica
A
5x larger than antatricas, but antartrica is 58x bigger than UK
13
Q
it is so dry it is considered a….
A
desert
14
Q
The McMurdo Dry Valleys thought not see rain in…
A
nearly 2 million years
15
Q
what are the winds known as?
A
Katabatics winds
