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Category: Scuba Diving and Underwater Exploration

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2010-01-01

Scientists discover and image explosive deep-ocean volcano NOAA-NSF mission adds to understanding of basic Earth processes

Scientists funded by NOAA and the National Science Foundation recorded the deepest erupting volcano yet discovered, describing high-definition video of the undersea eruption as "spectacular." Eruption of the West Mata volcano, discovered in May, occurred nearly 4,000 feet below the surface of the Pacific Ocean, in an area bounded by Fiji, Tonga and Samoa.

Imagery includes large molten lava bubbles approximately three feet across bursting into cold seawater, glowing red vents explosively ejecting lava into the sea, and the first-observed advance of lava flows across the deep-ocean seafloor. Sounds of the explosive eruption were recorded by a hydrophone and later matched to the video footage.

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Source: NOAA

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2009-11-14

NOAA commissions new fisheries survey ship and dedicates new fisheries service building in Pascagoula, Miss.

Senior NOAA officials have commissioned NOAA Ship Pisces, the nation's most advanced fisheries research vessel, and dedicated a new fisheries laboratory in Pascagoula, Miss. The vessel and the NOAA laboratory will support fisheries research in the Gulf of Mexico, southeastern United States and the Caribbean.

"Our fisheries and the marine ecosystems that support them are vital to our nation's economy," said Jane Lubchenco, Ph.D., under secretary of commerce for oceans and atmosphere and NOAA administrator, who attended today's ceremonies. "The knowledge we'll gain from Pisces and the Pascagoula laboratory will greatly enhance our understanding and stewardship of these precious resources."

Pisces, built by Pascagoula based VT Halter Marine, is equipped with high tech research equipment and quiet-hull technology. The vessel is so quiet and so advanced that scientists can study fish populations and collect oceanographic data with minimal impact on fish and marine mammal behavior. The 208-ft ship is the third of four newly constructed NOAA fisheries survey vessels of the same class. Pisces is operated by the NOAA Office of Marine and Aviation Operations and is homeported in Pascagoula.

Pisces was named by a team of students from Sacred Heart School in Southaven, Miss., and christened by Dr. Annette Nevin Shelby, professor emerita at Georgetown University and wife of U.S. Sen. Richard Shelby.

The new Southeast Fisheries Science Center's Pascagoula laboratory replaces the laboratory that was destroyed by Hurricane Katrina in 2005. At approximately 55,000 square feet, the building contains office space for 104 scientists, a library, and meeting rooms. This enables NOAA to consolidate several previously dispersed programs in the Pascagoula area including the Pascagoula Laboratory; National Seafood Inspection Laboratory; and the Documentation, Approval and Supply Services office.

One new feature at the facility is an environmental laboratory that will allow scientists to analyze environmental data such as temperature/depth profiles, oxygen data, and other environmental data collected on all survey cruises. These data will be useful in monitoring environmental factors such as hypoxia, but also will be incorporated into ecosystem models.

The structure is also designed to be more hurricane resistant, with a first floor elevation of 17 feet and is capable of withstanding winds up to 150 mph. Walton Construction, LLC, based in Kansas City, Mo., with an office in Harahan, La., led the design and construction team which includes partners such as HDR in Alexandria, Va., and Gibbens Drake Scott in Kansas City.

Source: NOAA

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2009-10-20

NASA Portable Hyperbaric Chamber Technology Finds Home on Earth

WASHINGTON - NASA has signed a patent license agreement with a California company to improve the medical community's access to hyperbaric chambers used to treat many medical conditions and emergencies. OxyHeal Medical Systems Inc. of National City, Calif., will develop new products based on technologies NASA originally developed for space.

Hyperbaric chambers create an environment in which the atmospheric pressure of oxygen is increased above normal levels. The high concentrations of oxygen can reduce the size of gas bubbles in the blood and improve blood flow to oxygen-starved tissues.

"These technologies will allow OxyHeal to develop new products capable of providing life-saving treatments and care to patients in remote areas that may not have access to large, fixed-site hyperbaric chamber facilities," said Ted Gurnee, president of OxyHeal. Additionally, the company is working on solutions that involve large portable hyperbaric chambers for possible use in treatment of disaster victims.

The partially exclusive patent license agreement allows the company to use three technologies developed at NASA's Johnson Space Center in Houston that are associated with inflatable spacecraft modules and portable hyperbaric chambers.

NASA developed the technologies as part of a program to plan for how astronauts in space might be treated for decompression sickness. Decompression sickness, commonly called "the bends," can occur in astronauts as they undergo pressure changes returning from spacewalks and in divers as they return to the water's surface.

In addition to treating decompression sickness, hyperbaric chamber therapy on Earth also commonly provides treatment for carbon monoxide poisoning, crush injuries, healing problem wounds, soft tissue infections, significant blood loss and other ailments.

The NASA inventors of the portable hyperbaric chamber, Dr. James Locke, William Schneider and Horacio de la Fuente, recently were recognized by the Federal Laboratory Consortium with a Notable Technology Development Award.

"NASA has a long history of making space-aged technologies available for commercialization, creating new markets that power the economy," said Michele Brekke, director of the Innovation Partnership Program Office at Johnson. "These commercial products and services, known as 'spinoffs,' allow the taxpayers to benefit from space exploration."

For more information about NASA's Innovative Partnerships Program Office, visit: http://www.nasa.gov/offices/ipp/home

Source: NASA

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