World Atlas 2010 (4th edition)

(Marvins-Underground-K-12) #1

158 ANTARCTICA


Antarctica


FACTFILE


DATE OF FORMATION: 1961


TOTAL AREA: 5,405,000 sq. miles


(14,000,000 sq. km)


The circumpolar continent of Antarctica is almost entirely covered by


ice, some up to 1.2 miles (2 km) thick. It also contains 90% of the Earth’s


freshwater reserves.


GEOGRAPHY


The bulk of Antarctica’s ice is


contained in the Greater Antarctic Ice


Sheet – a huge dome that rises steeply


from the coast and flattens to a plateau


in the interior.


CLIMATE


Powerful winds create a storm belt


around the continent, which brings cloud,


fog, and blizzards. Winter temperatures


can fall to –112°F (–80°C).


PEOPLE & SOCIETY


No indigenous population.


Scientists and logistical staff work at


the 40 permanent, and as many as


100 temporary, research stations. A


few Chilean settler families live on


King George Island. Tourism is mostly


by cruise ship to the Antarctic Peninsula.


Annual tourist numbers have reached


nearly 50,000.


INSIGHT: If the ice sheets of


Antarctica were to melt, the


world’s oceans would rise by as much


as 200–210 ft (60–65 m)


1000 km

1000 miles

0

0

Permanent Ice

Ice Cap

Weddell
Sea

Amundsen
Sea

Ross
Sea

Ross Ice
Shelf

Ronne Ice
Shelf

SOUTHERN
OCEAN

SOUTHERN
OCEAN

SOUTHERN
OCEAN

Antarctic
Peninsula

Ellsworth
Land

L

an

d^

Q

ue

en

M

au

d^

East
Antarctica

Enderby
Land

West
Antarctica

W

ilk

es

L

a

nd

Tr
an
sa
nt
ar
ct
ic

(^) M
ts
.
V
ic
to
ri
a
L
an
d
South
Orkney Is.
South
Shetland Is.
King
George I.
Balleny Is.
South
Magnetic
Pole
South
Pole
(^) Anta
rctic
Cir
cle


The Antarctic Treaty of 1959


holds all territorial claims in


abeyance in the interest of


international cooperation


Australian
claim

Norwegian undefined limit

Argentinian claim

Chilean claim

Territorial Claims:


British claim

Brazilian zone of interest

French claim
New Zealand claim
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