ocean chemistry

Radical methods needed to save oceans, say experts


August 21st, 2012 - 1:04 pm ICT by IANS
Sydney, Aug 21 (IANS) Current global efforts to counter the impact of carbon emissions are not enough, say experts, calling for a broader and more radical approach to marine management ... Read more...

Posted in World |

Dust in Earth’s atmosphere has doubled since the beginning of 20th century


January 9th, 2011 - 12:10 pm ICT by ANI
Washington, Jan 09 (ANI): A new study has suggested that the amount of dust in the Earth's atmosphere has doubled since the beginning of the 20th century and the dramatic increase is ... Read more...

Posted in Health Science |

How climate change and pollution affect ocean chemistry


June 20th, 2010 - 12:06 pm ICT by ANI
Washington, June 20 (ANI): In a new study, researchers have evaluated the total impact of climate change, carbon dioxide, pollution and other human-related phenomena on the world's oceans.The study, led by a ... Read more...

Posted in Health Science |

Scientists find evidence of hydrothermal vents on seafloor near Antarctica


March 4th, 2010 - 4:53 pm ICT by ANI
Washington, March 4 (ANI): Scientists at Columbia's Lamont-Doherty Earth Observatory have found evidence of hydrothermal vents on the seafloor near Antarctica, formerly a blank spot on the map for researchers wanting to ... Read more...

Posted in Health Science |

Scientists paint new picture of Earth’s ancient ocean chemistry


February 12th, 2010 - 5:38 pm ICT by ANI
Washington, Feb 12 (ANI): In a new research, a team of scientists has developed a detailed and dynamic three-dimensional model of Earth's early ocean chemistry that can significantly advance our understanding of ... Read more...

Posted in Health Science |

Geoengineering may endanger marine life by decreasing oxygen in lakes


February 8th, 2010 - 2:10 pm ICT by ANI
London, Feb 8 (ANI): A team of scientists has claimed that geoengineering our climate with the help of volcanoes may result in a decrease in the level of oxygen in lakes, threatening ... Read more...

Posted in Health Science |

Carbonate veins reveal chemistry of ancient seawater


February 7th, 2010 - 12:54 pm ICT by ANI
Washington, Feb 7 (ANI): In a new study, scientists have described a novel method for reconstructing past ocean chemistry using calcium carbonate veins that precipitate from seawater-derived fluids in rocks beneath the ... Read more...

Posted in Health Science |

Oxygen production began in Earth’s oceans 100 mln yrs earlier than believed


October 30th, 2009 - 1:25 pm ICT by ANI
Washington, October 30 (ANI): In a new study, scientists have come across evidence that suggests oxygen production began in Earth's oceans at least 100 million years before the "Great Oxidation Event" (GOE).When ... Read more...

Posted in Health Science |

Human impacts and environmental factors changing northwest Atlantic ecosystem


September 2nd, 2009 - 3:36 pm ICT by ANI
Washington, Sept 2 (ANI): A new report by researchers at the National Oceanic and Atmospheric Administration (NOAA) has determined that human impacts and environmental factors are changing the northwest Atlantic ecosystem.According to ... Read more...

Posted in Health Science |

Ocean acidification likely to cause job cuts, huge revenue losses


June 1st, 2009 - 4:37 pm ICT by IANS
Washington, June 1 (IANS) Ocean acidification, activated by increased carbon dioxide emission, is not only on the verge of changing our marine ecosystems forever, but is also likely to cause huge revenue ... Read more...

Posted in Sci-Tech |

Shells of marine creatures thinning due to oceans increasing intake of CO2


March 9th, 2009 - 12:53 pm ICT by ANI
Washington, March 9 (ANI): A new study has shown that the shells of microscopic animals in the ocean are becoming thinner thanks to the oceans increasing absorption of carbon dioxide.As carbon ... Read more...

Posted in Health Science |

Seven new species of bamboo coral discovered in Hawaii’’s deep waters


March 8th, 2009 - 1:06 pm ICT by ANI
Washington, March 8 (ANI): Scientists have identified seven new species of bamboo coral in the deep waters of the Papahanaumokuakea Marine National Monument, in Hawaii, US, among which six may represent ... Read more...

Posted in Health Science |

Climate change alters ocean chemistry much more than previously believed


December 12th, 2008 - 3:36 pm ICT by ANI
Washington, Dec 12 (ANI): In a new research, scientists have discovered that the oceans chemical makeup is less stable and more greatly affected by climate change than previously believed.The research ... Read more...

Posted in Health Science |

Current cutbacks in CO2 emissions not enough to save coral reefs


September 23rd, 2008 - 2:54 pm ICT by ANI
Washington, September 23 (ANI): A new study has indicated that modest cutbacks in CO2 (carbon dioxide) emissions may be too little, and it might be too late to save coral reefs. ... Read more...

Posted in National |

Meteorite that killed dinosaurs was six km wide: study


April 13th, 2008 - 1:28 pm ICT by admin
Washington, April 13 (IANS) The meteorite linked to the mass extinction of dinosaurs and other life forms 65 million years ago was four to six kilometres in diameter. That's the conclusion of ... Read more...

Posted in Environment |

Glacial ice sheets existed on Earth even during ancient global warming


January 11th, 2008 - 12:28 pm ICT by admin
Washington, Jan 11 (ANI): A new research has indicated that glacial ice had existed on Earth even during intense period of global warming 91 million years ago.Carried out by a team ... Read more...

Posted in Health Science |

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