News tagged with ocean models

Sea Level Rise Due to Global Warming Poses Threat to New York City

(PhysOrg.com) -- Global warming is expected to cause the sea level along the northeastern U.S. coast to rise almost twice as fast as global sea levels during this century, putting New York City at greater ...

Space & Earth / Earth Sciences

created Mar 13, 2009 | popularity 4.3 / 5 (139) | comments 34

Study shows strong evidence that cloud changes may exacerbate global warming

The role of clouds in climate change has been a major question for decades. As the earth warms under increasing greenhouse gases, it is not known whether clouds will dissipate, letting in more of the sun's ...

Space & Earth / Earth Sciences

created Jul 23, 2009 | popularity 4.4 / 5 (56) | comments 15

Study: Earth more sensitive to carbon dioxide than previously thought

In the long term, the Earth's temperature may be 30-50% more sensitive to atmospheric carbon dioxide than has previously been estimated, reports a new study published in Nature Geoscience this week.

Space & Earth / Earth Sciences

created Dec 06, 2009 | popularity 3.1 / 5 (53) | comments 91

Climate change to continue to year 3000 in best case scenarios: research

New research indicates the impact of rising CO2 levels in the Earth's atmosphere will cause unstoppable effects to the climate for at least the next 1000 years, causing researchers to estimate a collapse of the West Antar ...

Space & Earth / Earth Sciences

created Jan 09, 2011 | popularity 2.8 / 5 (58) | comments 127 | with audio podcast

Oceans losing ability to absorb greenhouse gas

(PhysOrg.com) -- Like a dirty filter, the Earth's oceans are growing less efficient at absorbing vast amounts of carbon dioxide, the major greenhouse gas produced by fossil-fuel burning, reports a study co-authored ...

Space & Earth / Earth Sciences

created Jan 11, 2010 | popularity 3.9 / 5 (35) | comments 4

Thawing permafrost 50 million years ago led to extreme global warming events

In a new study reported in Nature, climate scientist Rob DeConto of the University of Massachusetts Amherst and colleagues elsewhere propose a simple new mechanism to explain the source of carbon that fed a ...

Space & Earth / Earth Sciences

created Apr 04, 2012 | popularity 4.3 / 5 (28) | comments 47 | with audio podcast

Team finds subtropical waters flushing through Greenland fjord

Waters from warmer latitudes -- or subtropical waters -- are reaching Greenland's glaciers, driving melting and likely triggering an acceleration of ice loss, reports a team of researchers led by Fiamma Straneo, ...

Space & Earth / Earth Sciences

created Feb 14, 2010 | popularity 3.9 / 5 (30) | comments 82 | with audio podcast

Oceans' uptake of manmade carbon may be slowing

The oceans play a key role in regulating climate, absorbing more than a quarter of the carbon dioxide that humans put into the air. Now, the first year-by-year accounting of this mechanism during the industrial ...

Space & Earth / Earth Sciences

created Nov 18, 2009 | popularity 3.9 / 5 (25) | comments 10

Rising oceans - too late to turn the tide?

Melting ice sheets contributed much more to rising sea levels than thermal expansion of warming ocean waters during the Last Interglacial Period, a UA-led team of researchers has found. The results further ...

Space & Earth / Earth Sciences

created Jul 15, 2011 | popularity 4.8 / 5 (20) | comments 45 | with audio podcast

What caused a giant arrow-shaped cloud on Saturn's moon Titan?

(PhysOrg.com) -- Why does Titan, Saturn's largest moon, have what looks like an enormous white arrow about the size of Texas on its surface?

Space & Earth / Space Exploration

created Aug 16, 2011 | popularity 4.5 / 5 (20) | comments 36 | with audio podcast

Atmospheric warming altering ocean salinity

The warming climate is altering the saltiness of the world's oceans, and the computer models scientists have been using to measure the effects are underestimating changes to the global water cycle, a group ...

Space & Earth / Earth Sciences

created Apr 27, 2012 | popularity 3.8 / 5 (21) | comments 67 | with audio podcast

Study: Small fluctuations in solar activity, large influence on the climate

(PhysOrg.com) -- Subtle connections between the 11-year solar cycle, the stratosphere, and the tropical Pacific Ocean work in sync to generate periodic weather patterns that affect much of the globe, according ...

Space & Earth / Earth Sciences

created Aug 27, 2009 | popularity 4.8 / 5 (16) | comments 9

Dust plays larger than expected role in determining Atlantic temperature

(PhysOrg.com) -- 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.

Space & Earth / Earth Sciences

created Mar 26, 2009 | popularity 4.4 / 5 (17) | comments 13

Geoscientists Drill Deepest Hole in Ocean Crust in Scientific Ocean Drilling History

(PhysOrg.com) -- For eight weeks beginning in November 2009, off the coast of New Zealand, an international team of 34 scientists and 92 support staff and crew on board the scientific drilling vessel JOIDES ...

Space & Earth / Earth Sciences

created Jan 25, 2010 | popularity 4.3 / 5 (16) | comments 11 | with audio podcast

Geologist says there's no need to fight over mineral resources

It's easy to be a pessimist in a world full of calamities. But for those worried about the continuing availability of natural resources, data from the ocean makes a good case for optimism, says economic geologist Lawrence ...

Space & Earth / Earth Sciences

created Oct 07, 2010 | popularity 4.7 / 5 (13) | comments 18 | with audio podcast