EurekAlert! - Science News: Marine Science Portal

Showing releases 251-275 out of 432 releases.
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Public Release: 5-May-2009

Geology
New Antarctic seabed sonar images reveal clues to sea-level rise
Motorway-sized troughs and channels carved into Antarctica's continental shelves by glaciers thousands of years ago could help scientists to predict future sea-level rise according to a report in the journal Geology this month.

British Antarctic Survey

Public Release: 5-May-2009
'Coral Disease Handbook: Guidelines for Assessment, Monitoring and Management'
University of Guam Associate Professor Laurie Raymundo is senior editor and co-author of a new book on the etiology and management of coral diseases, "Coral Disease Handbook: Guidelines for Assessment, Monitoring & Management."

Public Release: 1-May-2009

Global Biogeochemical Cycles
Landmark USGS study
A new landmark study published today documents for the first time the process in which increased mercury emissions from human sources across the globe, and in particular from Asia, make their way into the North Pacific Ocean and as a result contaminate tuna and other seafood.

US Geological Survey

Public Release: 30-Apr-2009
The first DFG research centers to be funded for another 4 years
Following a successful second funding period, the first three DFG Research Centres will again be extended and will continue for another four years. This decision was made by the Joint Committee of the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) at its spring session in Bonn.

Public Release: 29-Apr-2009

Geology
Contrary to recent hypothesis, 'chevrons' are not evidence of megatsunamis
Geologist and tsunami expert debunks persistent idea that so-called "chevrons," large U- or V-shaped formations found in some of the world's coastal areas, are evidence of megatsunamis caused by asteroids or comets slamming into the ocean.

Public Release: 28-Apr-2009
Satellite imagery shows fragile Wilkins Ice Shelf destabilized
Satellite images show that icebergs have begun to calve from the northern front of the Wilkins Ice Shelf, indicating that the huge shelf has become unstable. This follows the collapse three weeks ago of the ice bridge that had previously linked the Antarctic mainland to Charcot Island.

Public Release: 28-Apr-2009
Seaglider monitors waters from Arctic during record-breaking journey under ice
The University of Washington has surpassed its own world record for operating a glider under the ice, this time by successfully operating one of its seagliders for six months as it made round trips hundreds of miles in length under the ice at Davis Strait. The result contributes to the longest continuous measurement of fresh water exiting the Arctic through Davis Strait and into the Labrador Sea.

National Science Foundation

Public Release: 27-Apr-2009

Restoration Ecology
Large sponges may be reattached to coral reefs
A new study appearing in Restoration Ecology describes a novel technique for reattaching large sponges that have been dislodged from coral reefs. The findings could be generally applied to the restoration of other large sponge species removed by human activities or storm events.

Public Release: 23-Apr-2009
G. Unger Vetlesen Foundation funds purchase of state-of-the-art equipment for UM's Rosenstiel School
The University of Miami's Rosenstiel School has received a gift from the G. Unger Vetlesen Foundation. The $950,000 grant will be divided into two parts; $750,000 will be used to purchase a highly sensitive Inductively Coupled Plasma Mass Spectrometer (ICP-MS) capable of determining the elemental composition of rocks, marine sediments and ocean water samples, and the remaining $200,000 will support the School's interdisciplinary research projects in climate science and the development of long term environmental data sets.

G. Unger Vetlesen Foundation

Public Release: 23-Apr-2009

Science
Ancient Greenland methane study good news for planet, says CU-Boulder scientist
An analysis of ancient Greenland ice suggests a spike in the greenhouse gas methane about 11,600 years ago originated from wetlands rather than the ocean floor or from permafrost, a finding that is good news according to the University of Colorado at Boulder scientist who led the study.

National Science Foundation, American Chemical Society

Public Release: 23-Apr-2009

Science
Study rules out ancient bursts of seafloor methane emissions
Measurements made from the largest Greenland ice sample ever analyzed have confirmed that an unusual rise in atmospheric methane levels about 12,000 years ago was not the result of a catastrophic release of seafloor "hydrate deposits," as some scientists had feared.

National Science Foundation

Public Release: 22-Apr-2009
Sea Grant report synthesizes recent research on New York's clams
New York Sea Grant announces the release of "The Hard Clam Research Initiative: Factors Controlling Mercenaria mercenaria Populations in South Shore Bays of Long Island, NY," a 43-page technical report that summarizes the key results of five research projects funded through NYSG's Hard Clam Research Initiative which began in 1999.

New York Sea Grant, National Marine Fisheries Service

Public Release: 22-Apr-2009
Researchers report 'moderately large' potential for red tide outbreak in Gulf of Maine region
The potential for an outbreak of the phenomenon commonly called "red tide" is expected to be "moderately large" this spring and summer, according to researchers with the Woods Hole Oceanographic Institution and North Carolina State University.

National Oceanic and Atmospheric Administration, National Institutes of Health, National Science Foundation

Public Release: 21-Apr-2009

European Geophysical Union Assembly
International honor for University of East Anglia ocean researcher
An environmental scientist from the University of East Anglia has won a prestigious international prize for her outstanding contribution to oceanography.

German Society for Marine Research/Springer Verlag

Public Release: 21-Apr-2009

Geophysical Research Letters
Increasing Antarctic sea ice extent linked to the ozone hole
Increased growth in Antarctic sea ice during the past 30 years is a result of changing weather patterns caused by the ozone hole according to new research published this week.

Natural Environment Research Council

Public Release: 17-Apr-2009

Science
Increasing carbon dioxide and decreasing oxygen make it harder for deep-sea animals to 'breathe'
New calculations made by marine chemists from the Monterey Bay Aquarium Research Institute suggest that low-oxygen "dead zones" in the ocean could expand significantly over the next century. These predictions are based on the fact that, as more and more carbon dioxide dissolves from the atmosphere into the ocean, marine animals will need more oxygen to survive.

David and Lucile Packard Foundation

Public Release: 16-Apr-2009
'Ocean glider' home after 2-month voyage
Scientists are celebrating the first successful deployment and retrieval in Australia of a remotely controlled, deep ocean-going robotic submarine destined to play a central role in measuring changes in two of Australia's most influential ocean currents.

CSIRO Wealth from Oceans National Research Flagship, Integrated Marine Observation System

Public Release: 16-Apr-2009

Science
Microbes thrive in harsh, isolated water under Antarctic glacier
A reservoir of briny liquid buried deep beneath an Antarctic glacier supports hardy microbes that have lived in isolation for millions of years, researchers report this week in the journal Science. The discovery of life in a place where cold, darkness, and lack of oxygen would previously have led scientists to believe nothing could survive comes from a team led by researchers at Harvard University and Dartmouth College.

National Science Foundation, NASA, Harvard University

Public Release: 16-Apr-2009

Science
Megadroughts in sub-Saharan Africa normal for the region
Devastating droughts worse than the infamous Sahel drought are part of the normal climate regime for sub-Saharan West Africa, according to new research. Scientists have developed the first almost year-by-year record of the last 3,000 years of West Africa's climate. In that period, catastrophic droughts occurred every 30 to 65 years, and the pattern can be expected to continue in the future, the team reports in the April 17 issue of the journal Science.

National Science Foundation

Public Release: 15-Apr-2009

AGU 2009 Joint Assembly
AGU Joint Assembly: Abstracts now online and searchable
All 379 sessions and 2,548 abstracts for the 2009 Joint Assembly have been posted on the AGU Web site. Field trip to Niagara Falls planned. Deadline for booking hotel rooms at preferential meeting rates is Wednesday, April 22.

Public Release: 15-Apr-2009
Harnessing cloud computing for data-intensive research on oceans, galaxies
The University of Washington will apply cloud computing to analyze climate simulation results and astronomical images. The new grants are part of a program sponsored by the National Science Foundation, Google and IBM that brings cloud computing to US universities.

National Science Foundation

Public Release: 15-Apr-2009
2009 underwater photography contest winners announced
In its fifth annual Underwater Photography Contest, the University of Miami Rosenstiel School of Marine and Atmospheric Science attracted talent representing 23 countries and 918 images. The competition is open to all amateur photographers who earn no more than 20 percent of their income from their photography.

Univeristy of Miami, Rosenstiel School

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

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