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Ocean Currents Current Events | Ocean Currents News | 5

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Food source threatened by carbon dioxide
Carbon dioxide increasing in the atmosphere may affect the microbial life in the sea, which could have an impact on a major food source, warned Dr Ian Joint at a Science Media Centre press briefing today.   view more (2007-12-11)

Oceans may soon be more corrosive than when the dinosaurs died
Increased carbon dioxide emissions are rapidly making the world's oceans more acidic and, if unabated, could cause a mass extinction of marine life similar to one that occurred 65 million years ago when the dinosaurs disappeared.   view more (2006-02-21)

Biodiversity hotspots, centres of endemicity, and the conservation of coral reefs
Coral reefs are renowned for their spectacularly high biodiversity, yet there is widespread concern for their future in the face of threats from land-clearing, over-fishing and global warming. A new study published in Ecology Letters by Australian scientists - Terry Hughes, David Bellwood and Sean... view more (2002-10-30)

New research may lead to better climate models for global warming
One hundred fifty scientists from more than 40 universities in nine countries are starting a coordinated program aimed at gaining new insights about the Earth's climate and the complex, interconnected system involving the oceans, the atmosphere and the land.   view more (2007-12-10)

Expedition allows teachers to participate in polar research
What better way to engage students in science than to apply lessons learned from fieldwork? This is the philosophy of Alaska teachers participating in the Arctic Expedition for K-12 Teachers, a program organized by the International Arctic Research Center (IARC) at the University of Alaska... view more (2006-09-14)

Short-circuit found in ocean circulation
Scientists have discovered how ocean circulation is working in the current that flows around Antarctica by tracing the path of helium from underwater volcanoes. The details are published in Nature this week.   view more (2007-05-11)

Future climate change in North-Western Europe may come as a shock
North-Western Europe could be in for some sudden climatic surprises in the future, say scientists speaking at the launch of a new book on global environmental change*. North-Western Europe is kept warm by an ocean current known as the North Atlantic Current, an extension of the Gulf Stream which... view more (2004-01-16)

Declining sharks
The transformation of terrestrial and coastal ecosystems by humans is well known, but only recently have the impacts of anthropogenic forces in the open ocean been recognized. In particular, intense exploitation by industrial fisheries is rapidly changing oceanic ecosystems by drastically reducing... view more (2004-02-05)

NASA co-sponsors ocean voyage to probe climate-relevant gases
More than 30 scientists will embark next week on a research mission to the Southern Ocean. Researchers will battle the elements to study how gases important to climate change move between the atmosphere and the ocean under high winds and seas.   view more (2008-02-22)

New technology reveals seal behavior
New technology has allowed an international team including UK scientists from University of St Andrews and British Antarctic Survey to witness for the first time the behaviour of the southern elephant seal (Mirounga leonina) and how it relates to its physical environment.   view more (2007-08-08)

Antarctic expedition provides new insights into the role of the Southern Ocean for global climate
In the Southern Ocean, large quantities of surface-drifting plankton algae are able to significantly reduce the carbon dioxide content of the surface waters, which can affect the global carbon dioxide cycle.   view more (2008-02-06)

Ice core studies confirm accuracy of climate models
An analysis has been completed of the global carbon cycle and climate for a 70,000 year period in the most recent Ice Age, showing a remarkable correlation between carbon dioxide levels and surprisingly abrupt changes in climate.   view more (2008-09-12)

A better understanding of equatorial Atlantic deep currents
One of the main components of the Atlantic's water-mass circulation is a cold water flow (at 4°C on average) -the North Atlantic Deep Water (NADW)- which is conveyed at depth (between 1500 and 4000 m), sweeping from the Labrador Sea, Norway and Greenland in the polar and sub-polar zones towards... view more (2001-04-26)

Surf's up - and one coastal microbe has adapted
California beachgoers may look lazy. But just a few miles off shore, scientists have discovered that a common coastal strain of cyanobacteria works diligently to thrive in choppy, polluted waters.   view more (2006-08-29)

Virtual biopsy cuts out need for diagnostic surgery
A non-invasive diagnostic tool to detect surface cancers quickly and painlessly using technology currently employed by gyms to calculate body composition has been developed by a QUT PhD medical physics researcher.   view more (2008-01-18)

Nitrous oxide from ocean microbes
A large amount of the greenhouse gas nitrous oxide is produced by bacteria in the oxygen poor parts of the ocean using nitrites, Dr Mark Trimmer told journalists at a Science Media Centre press briefing today.   view more (2007-12-11)

Deft diving turtle tactics
How do turtles survive long trips across the ocean? At the Society for Experimental Biology conference on Friday 12 April Ms Corinne Martin (University of Wales Swansea) will present evidence of energy-saving diving patterns adopted by green turtles to survive long ocean trips. The turtles breed at... view more (2002-04-04)

Research around the North Pole
The German research vessel Polarstern has returned today to Bremerhaven from the Arctic Sea. It has cruised as the first research vessel ever both the Northeast and the Northwest Passages and thereby circled the North Pole.   view more (2008-10-21)

Scientists discover new life forms in the Arctic Ocean
An international team of scientists including Université Laval biologist Connie Lovejoy has discovered new life forms in the Arctic Ocean. The team's findings are reported in the January 12 edition of the journal Science.   view more (2007-01-12)

NASA study solves ocean plant mystery
A NASA-sponsored study shows that by using a new technique, scientists can determine what limits the growth of ocean algae, or phytoplankton, and how this affects Earth's climate.   view more (2006-09-01)

Scientists link volcanic eruptions that formed North Atlantic Ocean to ancient global warming
Scientists examining a spike in worldwide ocean temperatures 55 million years ago have linked it to massive volcanic eruptions that pushed Greenland and northwest Europe apart to create the North Atlantic Ocean.   view more (2007-04-27)

Plymouth Leads 'healthy Oceans' Research
Plymouth researchers will be presenting new research findings at an international conference they are hosting in the city next month. Professor Paul Worsfold, Co-director of Plymouth Environmental Research Centre (PERC), heads the Plymouth team working on a three-year research project which... view more (2002-05-28)

Atmosphere threatened by pollutants entering ocean, prof says
A large quantity of nitrogen compounds emitted into the atmosphere by humans through the burning of fossil fuels and the use of nitrogen fertilizers enters the oceans and may lead to the removal of some carbon dioxide from the atmosphere.   view more (2008-05-16)

EUMETSAT to Make Satellite Available for Indian Ocean Tsunami Warning System
Feasibility Study Shows Access Could Be Given Without Delay   view more (2005-01-13)

North Atlantic slows on the uptake of CO2
Further evidence for the decline of the oceans' historical role as an important sink for atmospheric carbon dioxide is supplied by new research by environmental scientists from the University of East Anglia.   view more (2007-10-23)

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