Ocean - page 4

axial_precession

Earth's axial precession regulates life-supporting system of oceans

Researchers from Princeton University and the Swiss Institute of Technology in Zurich (ETH) report that during the past 160 000 years nitrogen fixation rose and fell in a pattern that closely matched the changing orientation of Earth's axis of

September 16, 2013

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China’s massive algae bloom could leave the ocean’s water lifeless

Since 2007, massive algae blooms in the Yellow Sea have been fueled, scientists think, by pollution and increased seaweed farming south of Qingdao, China. The mats of photosynthetic phytoplankton (Enteromorpha prolifera) aren’t

July 12, 2013

ocean_bottom_globe

Touring the ocean bottom - Visualization of our planet without water features

The ocean is the most prominent feature on Earth, and of immeasurable importance to life on the planet. But what would it look like if all of the water was drained out of it?  Though ships have mapped only a small portion of the ocean floor, satellites are used

June 22, 2013

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California sea lion stranding crisis escalates to 'epic proportions'

The mass stranding of sea lions at Californian shores doesn't seem stopping anytime soon and condition has deteriorated even more. The stranding(s) spiked in January and have intensified in recent weeks, the numbers have already surpassed total number of an average

April 07, 2013

North_Pacific_Gyre_World_Map

Ocean Cleanup Array developed by 19-year-old could save millions each year, and impact human health

Plans were unveiled by Boyan Slat, founder of The Ocean Cleanup Foundation, for an Ocean Cleanup Array, brought on after launching a school project that analyzed the amount and size of the plastic particles in the ocean's garbage patches.The Ocean Cleanup Array

March 30, 2013

sea level

GOCE revealed the height of sea is not the same everywhere on Earth

New precision gravity data from ESA’s GOCE satellite revealed that the sea is lower heading north along the east coast of North America. Winds, currents, tides and different temperatures cause seawater to pile up in some regions and dip in others, so in fact, the

February 20, 2013

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Europe's fish stocks at serious risk

More than half the fish consumed in the European Union today comes from imports. The EU hopes that radical reforms to its system of fishing quotas could restore European fisheries by 2020. However, experts are concerned that politicians could yet ignore scientific

February 11, 2013

earth 1

Ozone thinning has influenced ocean circulation

The hole in the Antarctic ozone layer has caused changes in the way that waters in those southern oceans mix, which has the potential to alter the amount of CO2 in the atmosphere and eventually could have an impact on global climate change, according to earth scientist

February 05, 2013

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Anticlockwise rotation of sea-surface height near Norway’s west coast

An unusual anticlockwise rotation of sea-surface height patterns has been observed near Norway’s west coast.  A topographic depression about 3500 m deep in the Norwegian Sea, the Lofoten Basin  is a region of high mesoscale activity and plays an important role

November 21, 2012

SeaFET_mcmurdo

Researchers recover sensor from Antarctic waters having critical data on Ocean acidification

Earlier this month, National Science Foundation's research team successfully retrieved data from a sensor (SeaFET) they had deployed in Antarctic waters at the end of previous research season. It will provide critical baseline data on the changes in chemistry or

October 19, 2012

kelp

Underwater forest off the coast of Alabama

In August 2005, Hurricane Katrina generated massive waves uncovering an underwater cypress forest. 10 miles off the coast of Alabama a fisherman having great success shortly after the storm requested his friend take his diving gear to the bottom and see what lay

October 05, 2012

ocean_acidification

NSF issues grant worth $12 million for research on Ocean acidification

Ocean acidification is a major threat to our marine ecosystems. Provided carbon dioxide levels have considerably risen in the atmosphere, scientists suggest oceans are now acidifying at a rate faster than anytime during past 300 million years. In an attempt to

October 05, 2012

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Planet Earth supports one-third less life than previously thought

New study show that the living biomass on Earth is much lower than previously thought. Scientist estimate Earth’s total number of microbes and total living biomass to be, respectively, 50–78% and 10–45% lower than previous estimates. Biomass is the mass of

August 29, 2012

Marine ecology

Sealife faces risk of large-scale extinctions

Global warming and acidification of the oceans are associated with three of five largest planetary extinction events of the past 500 million years. Loss of oxygen  in seawater, pollution, loss of animal's  habitat, overfishing and overhunting are to blame for ongoing

August 26, 2012

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Sea of Azov turned bloody red

Scientists and citizens are baffled as the waters of the Azov Sea turned bloody red close to Berdyansk village in mid-July, according to an article published online by EnglishRussia. Villagers immediately suspected the great pollution from nearby factories. And...

July 29, 2012

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Stinky red seaweed invades New England beaches in US

An awful odor of a foreign invasive red seaweed is smelling from Long Island Sound to the southern Gulf of Maine, US. A red seaweed originating from Japan is invading New England beaches. Scientists fear the seaweed could harm the coastal ecosystem by growing over

July 11, 2012

plastic ocean trash1

Seabirds study shows plastic pollution reaching surprising levels off coast of Pacific Northwest

New study by a researcher at the University of British Columbia found that plastic pollution off the northwest coast of North America is reaching the level of the notoriously polluted North Sea. The study, published online in the journal Marine Pollution Bulletin,

July 09, 2012