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The
Antarctic
ice
sheet
changes
in
size
over
the
course
of
a
year.
When
it
is
summer
in
the
southern
hemisphere,
the
ice
sheet
decreases
in
size.
As
the
ice
sheet
melts,
it
releases
fresh
water
into
the
ocean.
In
the
southern
winter
(our
summer),
the
ice
refreezes,
drawing
fresh
water
out
of
the
surrounding
ocean,
leaving
the
salt
behind.
These
seasonal
changes
in
the
ice
sheet
are
examined
in
this
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
Comments and Teaching Tips
Read (1)
Related resources and collections
This resource is included in the following collections:
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The
National
Weather
Service
provides
weather
and
marine
data
from
buoys
surrounding
North
America,
the
Carribean,
and
Great
Britain.
Historical
and
realtime
data
are
featured.
Data
include
wind,
waves,
atmospheric
pressure,
air
and
water
temperature,
and
dewpoint.
Frequently
Asked
Questions
explain
how
the
marine
stations
collect
and
transmit
data,
how
quality
is
assured,
and
how
the
National
Data
...
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Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
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