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Vortices
of
water,
called
"eddies,"
form
off
the
northwestern
coast
of
North
America
in
the
winter,
and
are
particularly
large
during
El
Nino
winters.
Users
can
read
and
view
satellite
imagery
which
explains
how
these
eddies
carry
nutrient-rich
water
offshore,
providing
nourishment
for
phytoplankton,
microscopic
plants
which
form
the
foundation
of
the
marine
food
chain.
This
is
part
of
NASA's
Earth
...
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This site provides background information about the relationship between ocean currents and surface winds. There are links to images, JPL missions and instruments, and an El Nino site.
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The
Exploratorium
was
one
of
the
first
science
museums
to
build
a
site
on
the
World
Wide
Web.
This
homepage
provides
a
vast
array
of
links
to
science
resources
of
many
types.
Teachers
can
access
activities,
publications,
information
on
field
trips
to
the
museum,
and
a
digital
library
of
photos
and
movies.
General
interest
materials
include
online
versions
of
exhibits,
a
microscope
imaging
station,
...
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This
is
the
homepage
of
the
U.S.
Global
Research
Program
(USGCRP),
an
initiative
to
support
research
on
the
interactions
of
natural
and
human-induced
changes
in
the
global
environment
and
their
implications
for
society.
Visitors
can
study
overviews
of
the
topics
of
greatest
interest
to
the
USGCRP,
which
include
atmospheric
composition,
climatic
variability
and
change,
global
cycles
for
carbon
and
...
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Users
can
access
an
extensive
selection
of
Earth
Science
materials.
The
institute
itself
sponsors
a
series
of
online
exhibits
on
volcanoes
and
earthquakes,
drinking
water,
El
Nino/
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This resource references :
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Users can access an extensive array of information on coral reefs. Materials presented here include information on reefs in 131 countries, maps and photos, data on coral bleaching, an online mapping system, a bibliography of reef-related references, and downloadable datasets.
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