Ozone thinning has changed ocean circulation
By Phil Sneiderman | EurekAlert According to a Johns Hopkins earth scientist, the hole in the Antarctic ozone layer has caused changes in the way that waters in those southern oceans mix – a situation that has the potential to alter the amount of CO2 in the atmosphere and eventually could have an impact on global [...]
Read More →Ocean currents play key role in predicting extent of Arctic sea ice
By Jamie Williamson | TopNews Researchers at MIT have developed a new method for optimally combining models and observations to accurately simulate the seasonal extent of Arctic sea ice and the ocean circulation beneath. The team applied its synthesis method to produce a simulation of the Labrador Sea, off the southern coast of Greenland, that [...]
Read More →Ocean still suffering from Fukushima fallout
By Geoff Brumfiel | Nature Radioactivity is persisting in the ocean waters close to Japan’s ruined nuclear power plant at Fukushima Daiichi. New data presented at a conference held on 12–13 November at the University of Tokyo show that levels of radioactivity in the sea around the plant remain stable, rather than falling as expected. Researchers [...]
Read More →Earth on Acid: The Present & Future of Global Acidification
GSA Climate change and extreme weather events grab the headlines, but there is another, lesser known, global change underway on land, in the seas, and in the air: acidification. It turns out that combustion of fossil fuels, smelting of ores, mining of coal and metal ores, and application of nitrogen fertilizer to soils are all [...]
Read More →Oceans could ‘sound’ like dinosaur-era seas by 2100
By Live Science | MNN Scuba divers in the year 2100 might hear what the dinosaurs did, new research suggests. Rising acidity in the oceans could set underwater acoustic conditions back to the Cretaceous period, scientists say, allowing some low-frequency sounds like whale songs to travel perhaps twice as far as they do now. “We [...]
Read More →A new cave-dwelling reef coral discovered in the Indo-Pacific
By Bala Murali Krishna Yelchuri | ZMEscience A new coral species that lives on the ceilings of caves in Indo-Pacific coral reefs has been discovered, shedding new light on the relation of reef corals with symbiotic algae. The species is named Leptoseris troglodyta. The word troglodyta is derived from ancient Greek meaning “one who dwells in holes”, a cave [...]
Read More →Carbon dioxide from water pollution, as well as air pollution, may adversely impact oceans
By Michael Bernstein | EurekAlert Carbon dioxide (CO2) released into the oceans as a result of water pollution by nutrients — a major source of this greenhouse gas that gets little public attention — is enhancing the unwanted changes in ocean acidity due to atmospheric increases in CO2. The changes may already be impacting commercial fish [...]
Read More →How soon can we use the oceans to quench the world’s thirst?
By George Dvorsky | io9 Which each passing year, the world gets thirstier. As the human population continues to grow, and becomes more urbanized, our sources of drinkable water get pushed to their limits. The solution? Desalination — the process of removing salt from ocean water. But given the tremendous costs and energy requirements of doing [...]
Read More →Scientists Propose Dumping Hundreds of Tons of Iron into Ocean to ‘Stop Global Warming’
Anthony Gucciardi | NaturalSociety In an attempt to ‘stop global warming’, scientists have been experimenting with dumping several tons of iron into the Antarctic ocean in order to potentially fertilize the development of plankton. Despite raising a multitude of red flags raised from leading scientific organizations and health watch organizations, a new study is now calling for the [...]
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