Withinicecrystalswhicharedeformedunderstress

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Unformatted text preview: r
pressure
melts
 at
temperatures
below
0oC.

 
 
 Q:
what
do
you
think
the
funnel‐shaped
region
at
the
top
of
these
plots
represents?
 ‐changing
ice
temperature
related
to
seasonal
air
temperature
fluctuations
 ‐you
can
see
that
the
warm
temps
of
the
summer
and
cold
temps
of
the
winter
only
penetrate
so
far
into
 the
ice
 ‐the
amount
that
the
temperature
penetrates
and
warms
a
glacier
depends
onits
thickness….thick
 glaciers
take
much
longer
for
temperatures
to
penetrate
 ‐this
is
why
some
glaciers
respond
more
quickly
to
temperature
changes
than
others
(there
are
other
 reasons
for
this
too)
 
 ‐cold
glaciers
tend
to
move
more
slowly
than
temperate
glaciers
and
form
steep
cliffs
at
their
termini
 
 
 ‐temperate
glaciers
have
a
more
rounded
terminus
because
of
melting
on
their
surface
and
differences
in
 how
they
flow
at
the
base
of
the
glacier
–we...
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This note was uploaded on 10/11/2012 for the course UGS 302 taught by Professor Staff during the Fall '08 term at University of Texas.

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