Ocean Change Current Events | Ocean Change News | 11
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Arctic ice on the verge of another all-time low
Following last summer's record minimum ice cover in the Arctic, current observations from ESA's Envisat satellite suggest that the extent of polar sea-ice may again shrink to a level very close to that of last year. view more (2008-08-29)
Earthshine reflects Earth's oceans and continents from the dark side of the Moon
Researchers from the University of Melbourne and Princeton University have shown for the first time that the difference in reflection of light from the Earth's land masses and oceans can be seen on the dark side of the moon, a phenomenon known as earthshine. view more (2009-04-08)
Prenatal Exposure To Mercury In Fish Not Associated With Impaired Neurodevelopment (p 1667, 1686)
Authors of a longitudinal study investigating a possible link between prenatal mercury exposure from ocean fish and impaired neurodevelopment in children report their latest findings in this week's issue of THE LANCET. The results confirm earlier findings that prenatal exposure to mercury in the Seychelles-where fish consumption is the main... view more... (2003-05-14)
Caltech scientists lead deep-sea discovery voyage
Scientists from the California Institute of Technology (Caltech) and an international team of collaborators have returned from a month-long deep-sea voyage to a marine reserve near Tasmania, Australia, that not only netted coral-reef samples likely to provide insight into the impact of climate change on the world's oceans, but also brought to... view more... (2009-02-05)
UI biologist studies ocean plant cell adaptation in climate change
How will plant cells that live in the oceans and serve as the basic food supply for many of the world's sea creatures react to climate change? view more (2009-04-16)
It's not all the parent's fault -- Delinquency in children now linked to biology
A unique study appearing in the June issue of Psychological Science, a journal of the Association for Psychological Science, shows that, in children, a highly reactive autonomic nervous system, which regulates our cardiovascular, digestive and respiratory functions, paired with a stressful family environment leads to increased instances of... view more... (2007-06-11)
Arctic expeditions find giant mud waves, glacier tracks
Scientists gathering evidence of ancient ice sheets uncovered a new mystery about what's happening on the Arctic sea floor today. Sonar images revealed that, in some places, ocean currents have driven the mud along the Arctic Ocean bottom into piles, with some "mud waves" nearly 100 feet across. view more (2007-12-13)
NASA celebrates a decade observing climate impacts on health of world's oceans
The NASA-managed Sea-viewing Wide Field-of-view Sensor (SeaWiFS) instrument settled into orbit around Earth in 1997 and took its first measurements of ocean color. view more (2007-09-20)
Expedition discovers new sea current off African coast
Researchers on board the Pelagia, the research vessel belonging to the Netherlands Institute for Sea Research (NIOZ), have discovered an interesting rotational current in the sea off the coast of South Africa. Unlike previously identified 'Agulhas rings', this one, a cyclone, rotates clockwise. The water in the centre is also about 50 centimetres... view more... (2001-07-26)
Climate swings have brought great CO2 pulses up from the deep sea
May 10, 2007, The Earth Institute at Columbia University—A study released today provides some of the first solid evidence that warming-induced changes in ocean circulation at the end of the last Ice Age caused vast quantities of ancient carbon dioxide to belch from the deep sea into the atmosphere. view more (2007-05-14)
Computer models show major climate shift as a result of closing ozone hole
A new study led by Columbia University researchers has found that the closing of the ozone hole, which is projected to occur sometime in the second half of the 21st century, may significantly affect climate change in the Southern Hemisphere, and therefore, the global climate. view more (2008-06-13)
Some of Earth's climate troubles should face burial at sea, scientists say
Making bales with 30 percent of global crop residues - the stalks and such left after harvesting - and then sinking the bales into the deep ocean could reduce the build up of global carbon dioxide in the atmosphere by up to 15 percent a year, according to just published calculations. view more (2009-01-29)
MIT's ocean model precisely mimics microbes' life cycles
Scientists at MIT have created an ocean model so realistic that the virtual forests of diverse microscopic plants they "sowed" have grown in population patterns that precisely mimic their real-world counterparts. view more (2007-03-30)
20 Thousand Leagues Under The Sea"¦ And Up Into Space
What could an astronaut learn from a crab? In the ocean, detecting depth is crucial. If an animal swims too deep it may be crushed by the immense pressure it encounters. Fortunately for the crab it is able to detect pressure using its balance system and, by exploiting the sensitivity of this system, it may be possible to compensate for the... view more... (2003-03-26)
Climate History Rewritten: Arctic Ice an Early Arrival
For the first time, scientists have pulled up prehistoric geologic records from the frigid vault of the Arctic Ocean. One of the findings, evidence of glacial Arctic ice from 45 million years ago, recasts a critical chapter of global climate history. view more (2006-06-01)
Ancient climate secrets raised from ocean depths
Scientists aboard the research vessel, Southern Surveyor, return to Hobart today with a collection of coral samples and photographs taken in the Southern Ocean at greater depths than ever before. view more (2008-02-04)
The striking deep current reversal in the tropical Pacific Ocean
The ocean's immense heat storage capacity means that it has a dominant role in the regulation of heat exchange and of the Earth's climate. And it is the ocean's currents that drive thermal exchanges between ocean and atmosphere and contribute to climate balance. view more (2006-11-14)
The Rise of Oxygen Caused Earth's Earliest Ice Age
Geologists may have uncovered the answer to an age-old question - an ice-age-old question, that is. view more (2009-05-07)
Geologists Find New Origins of Appalachian Mountains
Geologists have developed a new theory to explain how and when the Appalachian Mountain range was created. Their research redraws the map of the planet from 420 million years ago. view more (2006-11-17)
UBC study may solve age-old mystery of missing chemicals from Earth's mantle
Observations about the early formation of Earth may answer an age-old question about why the planet's mantle is missing some of the matter that should be present, according to UBC geophysicist John Hernlund. view more (2007-12-06)
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