global carbon cycle

Scientists estimate sea level rise by studying past carbon dioxide levels


May 2nd, 2011 - 6:19 pm ICT by ANI
London, May 2 (ANI): A team of scientists have found how an estimate of the sea level rise can be made by looking at atmospheric carbon dioxide levels 3 million years ago.The ... Read more...

Posted in Health Science |

Global warming ‘affecting food chain, carbon cycling in Arctic Ocean’


March 3rd, 2011 - 4:43 pm ICT by ANI
Washington, Mar 3 (ANI): Over the past decade, the annual bloom of phytoplankton in the Arctic Ocean has been arriving earlier each year - a change that could hurt the marine food ... Read more...

Posted in Health Science |

First harmful algal bloom species genome sequenced


February 22nd, 2011 - 2:02 pm ICT by ANI
Washington, Feb 22 (ANI): A team of researchers including U. S. Department of Energy (DOE) Joint Genome Institute (JGI) scientists led by Igor Grigoriev has successfully completed and annotated the first genome ... Read more...

Posted in Health Science |

Drought drives decade-long decline in global plant productivity


August 20th, 2010 - 4:25 pm ICT by ANI
Washington, Aug 20 (ANI): A new study of NASA satellite data has revealed that global plant productivity that once was on the rise with warming temperatures and a lengthened growing season 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 |

Sea stars bury much more carbon than anticipated


January 8th, 2010 - 5:58 pm ICT by ANI
London, January 8 (ANI): A new study has determined that animals such as sea stars, sea urchins and sea lilies bury much more carbon than anticipated.Studies of biological carbon in the oceans ... Read more...

Posted in Health Science |

Sediments deposited in oceans by major Arctic rivers hold clues to future global climate


May 19th, 2009 - 2:08 pm ICT by ANI
Washington, May 19 (ANI): A new study has suggested that sediments deposited in the ocean by major Arctic rivers may hold clues to understand how Earth's climate will change in the next ... Read more...

Posted in Health Science |

Scientists disapprove American comet impact theory


January 28th, 2009 - 4:22 pm ICT by ANI
London, Jan 28 (ANI): New data has led scientists to disapprove a theory that a large comet exploded over North America 12,900 years ago, causing a shock wave that traveled at ... Read more...

Posted in Health Science |

Scientists solve important marine puzzle


January 18th, 2009 - 2:44 pm ICT by ANI
Washington, Jan 18 (ANI): An international team of s cientists has solved a marine puzzle, by finding that fish contribute a significant fraction of the oceans'' calcium carbonate production, which affects ... Read more...

Posted in Health Science |

ESA tests laser to measure atmospheric CO2


December 4th, 2008 - 4:41 pm ICT by ANI
Paris, Dec 4 (ANI): A recent ESA (European Space Agency) campaign has demonstrated how a technique using lasers could be employed to measure carbon dioxide (CO2) in the atmosphere.The campaign supports ... Read more...

Posted in Health Science |

Microbes in rivers play important role in the global carbon cycle


December 2nd, 2008 - 5:08 pm ICT by ANI
Washington, Dec 2 (ANI): Microorganisms in rivers and streams play a crucial role in the global carbon cycle that has not previously been considered, resulting in a probable miscalculation in earlier ... Read more...

Posted in Health Science |

Scientists discover life beneath extreme environments


November 18th, 2008 - 3:24 pm ICT by ANI
Washington, Nov 18 (ANI): Scientists have described apparently productive ecosystems in two places where life was not known before, under the Antarctic ice sheet, and above concentrated salt lakes beneath the ... Read more...

Posted in National |

Human generated CO2 emissions register a four-fold increase since 2000


October 3rd, 2008 - 1:26 pm ICT by ANI
Washington, Oct 3 (ANI): The latest figures on the global carbon budget have indicated that emissions of carbon dioxide (CO2) from human activities have been growing about four times faster since ... Read more...

Posted in National |

70,000 yr old ice core analysis shows correlation between CO2 and abrupt climate changes


September 12th, 2008 - 3:34 pm ICT by ANI
Washington, September 12 (ANI): 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 ... Read more...

Posted in National |

Novel approach may help understand methane generation and consumption by microbes


August 18th, 2008 - 4:01 pm ICT by ANI
Washington, August 18 (ANI): A research team has developed a novel approach for extracting single genomes and discerning specific microbial capabilities from mixed community ("metagenomic") sequence data, which may help understand ... Read more...

Posted in National |

Changes in Earths soils is man made


January 28th, 2008 - 4:04 pm ICT by admin
Washington, Jan 28 (ANI): A new study by a scientist has said that human activities have caused Earths soils to change so much that it is now important to formulate policies for ... Read more...

Posted in Health Science |

North America overwhelmed by human-caused emissions


November 15th, 2007 - 5:29 pm ICT by admin
Washington, Nov 15 (ANI): The first State of the Carbon Cycle Report for North America has revealed that the continents carbon budget is increasingly overwhelmed by human-caused emissions.The continents sources release ... Read more...

Posted in Health Science |

Subscribe