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Undersea Research Areas |
Fisheries
From the Gulf of Alaska to Gulf of Maine, NURP scientists
are descending in undersea vehicles to study the world's most productive
fishing grounds. Through the viewport of a submersible, NURP scientists
observe where and how fish live and record more precisely how many
fish exist at these depths. While important harvested species are
in decline, their recovery may be impeded because their habitats
are threatened by human activities as well as other factors. This
information is of increasing interest to fisheries managers who
consider essential habitat a critical factor in protecting marine
resources and as a resource to be managed. Fisheries management
and conservation also depends on knowing what naturally regulates
the abundance of marine fishes.
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Healthy Oceans
Healthy coastlines that support life and property,
tourism and trade depend on the preservation of natural resources
and the protection of clean air and water. The Florida Keys serve
as an example of a valuable national asset that is under increasing
pressure from both man-made and natural threats. Teasing out the
natural versus human-caused disturbances so that coral reefs can
be managed effectively is gaining momentum in Florida now. Since
the ocean comprises 98 percent of the free water of Earth-and healthy
coastlines depend on it-determining the many components present
in seawater is a key thrust of scientific research sponsored by
NURP. The discovery that the deep sea may be as species-rich as
a tropical rainforest comes at a time when pressure is mounting
to use every available square foot of coastal land for development.
As the number of land sites dwindles, the oceans are likely to become
more prone to waste management in the future.
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Diversity of Life
Once considered a barren desert, the deep sea now
reveals its richness. From the hydrothermal vents of the mid-ocean
ridges to the cold seeps in the Gulf of Mexico, scientists are discovering
unique life. Here, in total darkness fed by chemicals in the vent
fluids, are virtually undescribed communities-perhaps the precursors
of life on Earth. Called extremophiles for their ability to flourish
in the world's most extreme environments, microbes and animals from
the deep sea can be tapped for potential commercial and biomedical
applications.
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Environmental Change
As the debate intensifies over possible man-made influence
on climate, scientists are working to discover and understand links
between the atmosphere and the ocean, and natural climate variability
across the globe. Global climate change is a recurring theme throughout
Earth's history. The presence of continental ice sheets and concurrent
drops in sea level have left spectacular evidence of past climate
cycling. Follow NURP researchers on a journey to lost continents
beneath the ocean to learn about how past climate history holds
clues about potential climate change in our future. An important
part of our atmosphere, carbon dioxide, contributes significantly
as a greenhouse gas that can effect global climate change. To narrow
the uncertainties about the global effects of carbon dioxide, and
to improve our understanding of the trends and forcing of greenhouse
gases, NURP researchers have focused on the ocean's exchange of
carbon dioxide with the atmosphere, and the ocean's vast reservoir
of carbon. Until it is fully understood how carbon is regulated
by biological, chemical, and physical processes in the ocean, the
many roles of atmospheric carbon dioxide cannot be accurately understood.
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Marine Education
While the primary mission of NURP is scientific research,
a small portion of the program is aimed at sharing the results of
this research through partnerships with education and outreach programs.
NURP programs involve hundreds of scientists each year throughout
the world studying exciting new frontiers. We are uniquely positioned
to meet the challenge of using this excitement to capture public
attention and educate our future leaders. Through the Internet,
the scope of potential involvement and access to information is
expanded to a global scale. Interactive technologies allow students
and teachers to experience and study the oceans without leaving
their schools. A Long-term Ecosystem Observatory (LEO-15) at a 15
m depth in the Atlantic Ocean gives hundreds of K-12 teachers and
their classrooms access to real-time scientific data from the seafloor
observatory. Beginning in 1998, NURP also began funding for the
JASON Project. After discovering the wreck of the RMS Titanic, world-famous
explorer Dr. Robert Ballard received thousands of letters from students
around the world wanting to go with him on his next expedition.
In order to bring the thrill of discovery to millions of students
worldwide, Dr. Ballard founded the JASON Project, a year-round scientific
expedition designed to excite and engage students in science and
technology and to motivate and provide professional development
for teachers.
More
-- Providing Access to Advanced Technologies
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