Oceanography News

Courtesy of Science Daily

Welcome to Sea and Sky's Oceanography News. Here you can find links to the latest ocean news headlines in the topic of oceanography. Click on any yellow title below to view the full news article. The news article will open in a new browser window. Simply close the browser window when you are finished reading the article to return to the news article listing. You can use the "Click for More" link to go to a page with more news headlines.

 

Tiny fraction of oceans could meet world's fish demand
Covering 70 percent of Earth's surface, the world's oceans are vast and deep. So vast, in fact, that nearly every coastal country has the potential to meet its own domestic seafood needs through aquaculture. In fact, each country could do so using a tiny fraction of its ocean territory.
Publ.Date : Mon, 14 Aug 2017 12:53:40 EDT

Marine noise pollution stresses and confuses fish
Increased noise pollution in the oceans is confusing fish and compromising their ability to recognise and avoid predators.
Publ.Date : Thu, 10 Aug 2017 10:49:17 EDT

New technique offers clues to measure the deoxygenation of the ocean
The living, breathing ocean may be slowly starting to suffocate. More than two percent of the ocean's oxygen content has been depleted during the last half century, according to reports, and marine 'dead zones' continue to expand throughout the global ocean. This deoxygenation, triggered mainly by more fertilizers and wastewater flowing into the ocean, pose a serious threat to marine life and ecosystems.
Publ.Date : Wed, 09 Aug 2017 14:20:44 EDT

Cause of Atlantic coastline's sea level rise hot spots now revealed
Seas rose in the southeastern US between 2011 and 2015 by more than six times the global average sea level rise that is already happening due to human-induced global warming, new research shows. The combined effects of El NiƱo (ENSO) and the North Atlantic Oscillation (NAO), both of which are naturally occurring climate processes, drove this recent sea level rise hot spot, according to the study.
Publ.Date : Wed, 09 Aug 2017 14:01:49 EDT

Not all glaciers in Antarctica have been affected by climate change
The effects of climate change, which are apparent in other parts of the Antarctic continent, are not yet observed for glaciers in the western Ross Sea coast, new research indicates.
Publ.Date : Tue, 08 Aug 2017 18:23:30 EDT

No longer water under the bridge, statistics yields new data on sea levels
While the scientific community has long warned about rising sea levels and their destructive impact on some of the United States' most populous cities, researchers have developed a new, statistical method that more precisely calculates the rate of sea level rise, showing it's not only increasing, but accelerating.
Publ.Date : Tue, 08 Aug 2017 14:59:33 EDT

Laser mapping project shows effects of physical changes in Antarctica's Dry Valleys
Researchers have publicly released high-resolution maps of Antarctica's McMurdo Dry Valleys, a globally unique polar desert.
Publ.Date : Tue, 08 Aug 2017 14:53:35 EDT

Some land conservation measures unpopular among property owners
While popular with conservation groups, coastal easements that prevent development in order to protect marshland from changes brought about by climate change and rising sea levels are not favored by property owners. The findings, based on the results of surveys conducted in 2015 of 1,002 owners of Connecticut coastal properties, suggest that relying on education about sea level rise and the ecosystem benefits of marshes alone will not protect land from future changes.
Publ.Date : Mon, 07 Aug 2017 15:52:03 EDT

Marine reserves a solution to bycatch problem in oceans
Commercial fishermen may be able to catch more of the profitable fish they want with marine reserves than without them, according to a study.
Publ.Date : Mon, 07 Aug 2017 15:17:26 EDT

Complex causes of Maldives flooding
The causes of coastal flooding in the Maldives are more complex than previously thought, according to a new study. Researchers examined wave and sea level data around historic flood events and found that multiple factors contribute to flooding in the Indian Ocean island chain, which has an average land elevation of just one meter.
Publ.Date : Mon, 07 Aug 2017 08:23:32 EDT

Current threats to our oceans revealed
A survey of tens of thousands of marine studies from the last decade reveals current threats to our marine environment. These include: the effects of climate change, marine plastic pollution, conservation, as well as social and economic impacts. It is hoped the method used to obtain this information, which has only just been made possible with advances in computational power, will enable the development of robust policies that ensure the future health of our seas.
Publ.Date : Thu, 03 Aug 2017 09:59:59 EDT

Microscopic body snatchers infest our oceans
Predatory microbes which enslave prey to acquire photosynthetic capability are abundant in our oceans, according to new research.
Publ.Date : Wed, 02 Aug 2017 10:30:45 EDT

Update on the Larsen-C iceberg breakaway
Since an iceberg four times the size of London broke free earlier this month, scientists have continued to track its progress using satellites. Their observations show the Larsen-C story might not be over yet.
Publ.Date : Wed, 02 Aug 2017 08:29:09 EDT

High tsunami danger in Alaska, perhaps elsewhere
Scientists probing under the seafloor off Alaska have mapped a geologic structure that they say signals potential for a major tsunami in an area that normally would be considered benign. They say the feature closely resembles one that produced the 2011 Tohoku tsunami off Japan, killing some 20,000 people and melting down three nuclear reactors. Such structures may lurk unrecognized in other areas of the world, say the scientists.
Publ.Date : Tue, 01 Aug 2017 10:17:30 EDT

Glaciers may have helped warm Earth
Weathering of Earth by glaciers may have warmed the planet over eons by aiding the release of carbon dioxide into the atmosphere. A new study shows the cumulative effect may have created negative feedback that prevented runaway glaciation.
Publ.Date : Mon, 31 Jul 2017 16:44:40 EDT

Loss of Arctic sea ice impacting Atlantic Ocean water circulation system
Arctic sea ice is not merely a passive responder to the climate changes occurring around the world, according to new research. Scientists say the ongoing Arctic ice loss can play an active role in altering one of the planet's largest water circulation systems: the Atlantic Meridional Overturning Circulation (AMOC).
Publ.Date : Mon, 31 Jul 2017 11:46:46 EDT

Project to save the Belize coast provides valuable framework
A coastal zone management plan designed to safeguard Belize's natural assets has produced a win-win opportunity for people and the environment, providing a valuable framework for other coastal nations around the world where overfishing, development, and habitat degradation are increasingly serious problems.
Publ.Date : Thu, 27 Jul 2017 10:29:35 EDT

Coral gardening is benefiting Caribbean reefs, study finds
A new study found that Caribbean staghorn corals (Acropora cervicornis) are benefiting from 'coral gardening,' the process of restoring coral populations by planting laboratory-raised coral fragments on reefs.
Publ.Date : Tue, 25 Jul 2017 15:41:51 EDT

Seawalls: Ecological effects of coastal armoring in soft sediment environments
For nearly a century, the O'Shaughnessy seawall has held back the sand and seas of San Francisco's Ocean Beach. At work even longer: the Galveston seawall, built after America's deadliest hurricane in 1900 killed thousands in Texas.
Publ.Date : Mon, 24 Jul 2017 13:31:56 EDT

Summer sea ice melt in the Arctic
Earlier this year Arctic sea ice sank to a record low wintertime extent for the third straight year. Now NASA is flying a set of instruments north of Greenland to observe the impact of the melt season on the Arctic's oldest and thickest sea ice.
Publ.Date : Mon, 24 Jul 2017 13:31:53 EDT