EurekAlert! - Science News: Marine Science Portal

Showing releases 276-300 out of 425 releases.
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Public Release: 10-Apr-2009

Science
Genes from tiny marine algae suggest unsuspected avenues for new research
By sequencing the DNA of two tiny marine algae, a team of scientists has opened up a myriad of possibilities for new research in algal physiology, plant biology and marine ecology.

National Science Foundation, David and Lucile Packard Foundation, US Department of Energy

Public Release: 9-Apr-2009

Science
Public trust doctrine could aid management of US oceans
Since Congress lifted a moratorium on offshore drilling last year, federal lawmakers have grappled with the issue of how best to regulate US ocean waters to allow oil, wave and wind energy development, while sustainably managing critical fisheries and marine animal habitats.

Public Release: 9-Apr-2009

Science
Genes from tiny algae shed light on big role managing carbon in world's oceans
Scientists from two-dozen research organizations led by the US Department of Energy Joint Genome Institute and the Monterey Bay Aquarium Research Institute have decoded genomes of two algal strains, highlighting the genes enabling them to capture carbon and maintain its delicate balance in the oceans. These findings, published in the April 10 edition of the journal Science, will illuminate cellular processes related to algae-derived biofuels being pursued by DOE scientists.

US Department of Energy

Public Release: 8-Apr-2009

ACS Nano
Ancient diatoms lead to new technology for solar energy
Engineers at Oregon State University have discovered a way to use an ancient life form to create one of the newest technologies for solar energy, in systems that may be surprisingly simple to build compared to existing silicon-based solar cells. The secret: diatoms.

National Science Foundation

Public Release: 8-Apr-2009
GOCE's 'heart' starts beating
GOCE's highly sensitive gradiometer instrument has been switched on and is producing data. Forming the heart of GOCE, the gradiometer is specifically designed to measure Earth's gravity field with unprecedented accuracy.

Public Release: 8-Apr-2009

Nature
A new link between nickel, methane gas and the evolution of complex life forms on Earth
Kurt Konhauser and his team have a new theory on what caused the decline of methane producing bacteria 2.7 billion years ago and the subsequent rise of oxygen levels. This new paper shows that as the planet's mantle cooled there was a sharp decrease in nickel-rich volcanism.

Public Release: 8-Apr-2009

Nature
Did a nickel famine trigger the 'Great Oxidation Event'?
The Earth's original atmosphere held very little oxygen. This began to change around 2.4 billion years ago when oxygen levels increased dramatically during what scientists call the "Great Oxidation Event." The cause of this event has puzzled scientists, but researchers writing in Nature have found indications in ancient sedimentary rocks that it may have been linked to a drop in the level of dissolved nickel in seawater.

NASA, Fond quebecois de la recherche sur la nature et les technologies

Public Release: 6-Apr-2009
Australia, India, New Zealand join integrated ocean drilling program
The Integrated Ocean Drilling Program, the world's largest ocean research program, has expanded its base of international and scientific support by welcoming Australia, India and New Zealand as its newest Associate Members.

Australia Research Council, India's Ministry of Earth Science

Public Release: 6-Apr-2009

Geophysical Research Letters
AGU journal highlights -- April 6, 2009
Featured in this release are research papers on the following topics: "Natural protector for Pacific reefs disputed"; "Pacemaker of major climate shifts revealed"; "How space dust vaporizes in the atmosphere"; "Cyclone locations affect cooling or warming of poles"; "Monitoring aerosols over the world's oceans"; "Refined model mimics speeding ice streams"; "Modeling magnetic humps and dips around planets"; and "Updated model offers aerosol insights."

Public Release: 6-Apr-2009
New Arctic satellite data shows Arctic literally on thin ice
The latest data from NASA and the University of Colorado at Boulder's National Snow and Ice Data Center show the continuation of a decade-long trend of shrinking sea ice extent in the Arctic, including new evidence for thinning ice as well.

NASA

Public Release: 2-Apr-2009

Geophysical Research Letters
NOAA: Ice-free Arctic summers likely sooner than expected
Summers in the Arctic may be ice-free in as few as 30 years, not at the end of the century as previously expected. The updated forecast is the result of a new analysis of computer models coupled with the most recent summer ice measurements.

National Oceanic and Atmospheric Administration

Public Release: 1-Apr-2009

Invertebrate Biology
Scripps scientists help decode mysterious green glow of the sea
Researchers at Scripps Institution of Oceanography at UC San Diego have uncovered key clues about the bioluminescent worms that produce the green glow and the biological mechanisms behind their light production.

Public Release: 1-Apr-2009
NOAA report calls flame retardants concern to US coastal ecosystems
NOAA scientists, in a first-of-its-kind report issued today, state that Polybrominated Diphenyl Ethers, chemicals commonly used in commercial goods as flame retardants since the 1970s, are found in all United States coastal waters and the Great Lakes, with elevated levels near urban and industrial centers. The new findings are in contrast to analysis of samples as far back as 1996 that identified PBDEs in only a limited number of sites around the nation.

National Oceanic and Atmospheric Administration

Public Release: 1-Apr-2009

Science
Simulations and ancient magnetism suggest mantle plumes may bend deep beneath Earth's crust
Computer simulations, paleomagnetism and plate motion histories described in today's issue of Science reveal how hotspots, centers of erupting magma that sit atop columns of hot mantle that were once thought to remain firmly fixed in place, in fact move beneath Earth's crust.

National Science Foundation

Public Release: 31-Mar-2009

Geology
April 2009 Geology and GSA Today media highlights
Geology covers multiple aspects of life on Earth, including extinctions and diversifications, "tool" use by the first creatures to walk on land, sirenians (manatees) in the Tethys-Mediterranean, the last refuge of the woolly mammoth, and Edwards Aquifer development as seen through cave spider DNA. Other topics include glaciation, mineralization, mineral decomposition, degassing, climate change, tectonics, volcanics, current velocity and seafloor structure, and giant earth-surface wind ripples. GSA Today focuses on the Great Ordovician Biodiversification Event.

Public Release: 31-Mar-2009
Antarctic marine biodiversity data now online
The International Polar Year concluded in March 2009 with a tangible legacy in the form of a network of databases on marine biodiversity that will serve as clearinghouse for all biodiversity-related data gathered since the very first Antarctic research expeditions. The network gathers data describing the species themselves as well as information about their collection history, allowing scientists and conservationists to access the first rigorous census of Antarctic marine life.

Public Release: 30-Mar-2009

Proceedings of the National Academy of Sciences
New images of marine microbe illuminate carbon and nitrogen fixation
How marine microbe Trichodesmium fixes nitrogen and carbon dioxide apparently at the same time has long puzzled scientists. Using NanoSIMS imaging technology, this study supports the theory that the cyanobacteria separates the processes by time, among other findings.

National Science Foundation, US Department of Energy

Public Release: 29-Mar-2009
UM scientist's innovative current mapping satellite technique garners ONR grant
Working closely with UM's Center for Southeastern Tropical Advanced Remote Sensing, Dr. Roland Romeiser, has been awarded a $500,000 grant by the Office of Naval Research. The project marks the first ever use of this type of InSAR (interferometric synthetic aperture radar) satellite imagery to determine surface current fields in rivers and in the ocean. Measurements will be valuable in monitoring global river runoff, bathymetric changes in coastal waters, and the spreading of pollutants.

US Office of Naval Reserach

Public Release: 27-Mar-2009
'Growing' solid science through diversity at University of Miami
Two assistant professors from the Division of Meteorology and Physical Oceanography at UM's Rosenstiel School of Marine and Atmospheric Science, Paquita Zuidema and Lisa Beal, have been granted funding as part of the first-ever "You Choose" Leadership Awards designed to help establish and encourage collaborations and exchanges between scientists, especially those from traditionally underrepresented groups. The awards are sponsored by UM's NSF-ADVANCE funded Scientists and Engineers Expanding Diversity and Success program.

University of Miami, National Science Foundation

Public Release: 27-Mar-2009
Research plane Polar 5 on Arctic campaign
The research aircraft Polar 5 belongs to the Alfred Wegener Institute. It will start on Monday, March 30 at 10 a.m. from the regional airport Bremerhaven on an Arctic measurement campaign which will last about four weeks. Measurements of sea ice thickness and atmospheric variables in an area between Spitsbergen, Greenland, northern Canada and Alaska are at the center of the project PAM-ARCMIP (Pan-Arctic Measurements and Arctic Climate Model Inter comparison Project).

Public Release: 26-Mar-2009

5th Elisabeth and Henry Morss Jr. Colloquium
Deep sea floor mining is subject of international colloquium at WHOI
Scientists, policymakers, environmentalists, and industry representatives will gather next week at Woods Hole Oceanographic Institution to discuss the issue of mining precious metals from the seafloor.

Public Release: 26-Mar-2009

Science
Dust plays larger than expected role in determining Atlantic temperature
The recent warming trend in the Atlantic Ocean is largely due to reductions in airborne dust and volcanic emissions during the past 30 years, according to a new study.

Public Release: 25-Mar-2009

Geophysical Research Letters
AGU journal highlights -- March 25, 2009
Featured in this release are research papers on the following topics: Coral reefs may start dissolving when atmospheric carbon dioxide doubles; Ocean proximity aggravates Houston's ozone pollution; Underground subatomic-particle measurements yield meteorological clues; Airborne acid may help soot turn into cloud seeds; Understanding sea temperature-atmospheric pressure links in North Atlantic; and New tool differentiates man-made from natural nitrogen-oxide pollution.

Public Release: 24-Mar-2009
Coral reef expedition to Farasan Banks of the Red Sea set to launch
The final expedition of a four-year collaborative coral reef research program along the Red Sea coast of Saudi Arabia will occur April 4-28, 2009, in an area known as the Farasan Banks. This will be the first time this area has been scientifically surveyed since Jacques Cousteau visited it on the Calypso in 1951. The expedition will be conducted from the Khaled bin Sultan Living Oceans Foundation's research support vessel M/Y Golden Shadow.

Khaled bin Sultan Living Oceans Foundation

Public Release: 24-Mar-2009
Elgar named National Security Science and Engineering Faculty Fellow
Steve Elgar, a senior scientist in the Woods Hole Oceanographic Institution Applied Ocean Physics and Engineering department, was recently named a 2009 National Security Science and Engineering Faculty Fellow by the Department of Defense.

US Department of Defense

Showing releases 276-300 out of 425 releases.
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