tree rings

Climate change strips Arctic of much snow cover


May 5th, 2011 - 4:00 pm ICT by IANS
London, May 5 (IANS) Climate change is showing its ugly hand in the Arctic -- a much reduced snow cover, shorter winters and thawing tundra.And the changes are taking place ... Read more...

Posted in Uncategorized |

Volcanic eruptions affect rainfall over Asian region


November 5th, 2010 - 2:04 pm ICT by IANS
Washington, Nov 5 (IANS) Large volcanic eruptions affect rainfall over the Asian monsoon region where seasonal storms water crops for nearly half the population of the earth.The eruptions are also believed to ... Read more...

Posted in Environment |

Volcanic eruptions affect Asian rainfall


November 4th, 2010 - 6:11 pm ICT by ANI
Washington, Nov 4 (ANI): A new research has revealed that volcanic eruptions affect rainfall over the Asian monsoon region, where seasonal storms water crops for nearly half of earth's population.Tree-ring researchers at ... Read more...

Posted in Health Science |

Evidence of ‘cosmic climate change’ discovered


November 3rd, 2010 - 4:03 pm ICT by ANI
Washington, Nov 03 (ANI): Newly discovered evidence suggests that the universe may have gone through a warming trend early in its history.Astronomers measured the temperature of the gas that lies in between ... Read more...

Posted in Health Science |

American researchers unearth mammoth’s tusk


June 7th, 2010 - 5:54 pm ICT by ANI
Washington, June 7 (ANI): University of Michigan researchers have unearthed a mammoth's tusk at Morrison Lake Country Club in Saranac.The clue will help with the research of the Morrison Lake Country Club ... Read more...

Posted in Health Science |

Did climatic conditions trigger Angkor’s collapse?


March 30th, 2010 - 4:41 pm ICT by IANS
Washington, March 30 (IANS) Decades of drought, alternating with intense monsoon rains, may have sounded the death knell for Cambodia's ancient Khmer civilization at Angkor nearly 600 years ago. Columbia University researchers say ... Read more...

Posted in Sci-Tech |

Carbon and oxygen isotopes in tree rings may shed new light on past climate events


December 4th, 2009 - 4:58 pm ICT by ANI
Washington, December 4 (ANI): Scientists have determined that the analysis of carbon and oxygen isotopes embedded in tree rings may shed new light on past climate events.Scientists have long looked at the ... Read more...

Posted in Health Science |

Increasing temperatures make world’s oldest trees grow faster


November 18th, 2009 - 2:03 pm ICT by ANI
Washington, November 18 (ANI): A new research has concluded that increasing temperatures at high altitudes are fueling the post-1950 growth spurt seen in bristlecone pines, the world's oldest trees.Pines close to treeline ... Read more...

Posted in Health Science |

Rainmaker ritual helps date droughts in Iron Age Africa


January 21st, 2009 - 2:15 pm ICT by ANI
London, Jan 21 (ANI): Scientists have uncovered ashes within archaeological remains in Zimbabwe, which are indicative of ancient rainmaking fires, and can help date droughts in Iron Age Africa.According to a ... Read more...

Posted in Health Science |

Animal bones are better markers for environmental change than plants


August 17th, 2008 - 2:22 pm ICT by ANI
Washington, August 17 (ANI): Scientists have found that the bones of animals like wolves provide a much better record of environmental change than by analysis of plants.To track atmospheric change caused ... Read more...

Posted in South Asia |

Climate change can be measured daily through corals


March 25th, 2008 - 1:55 pm ICT by admin
Canberra, March 25 (ANI): An Australian geoscientist has said that climate change can be measured on a daily basis by monitoring changes in coral.According to Luke Nothdurft, a geoscientist with Brisbane's ... Read more...

Posted in Health Science |

Boreholes on moon to help estimate solar energy in the past


January 7th, 2008 - 1:30 pm ICT by admin
London, Jan 7 (ANI): Scientists have calculated that boreholes on the moon just 10 metres deep would provide a temperature record stretching back to the 1600s, which would help researchers gauge solar ... Read more...

Posted in Health Science |

Boreholes on moon to help estimate solar energy in the past


January 7th, 2008 - 12:45 pm ICT by admin
London, Jan 7 (ANI): Scientists have calculated that boreholes on the moon just 10 metres deep would provide a temperature record stretching back to the 1600s, which would help researchers gauge solar ... Read more...

Posted in Health Science |

New ‘mud technique’ reveals Arctic sea ice record


November 14th, 2007 - 2:21 am ICT by admin
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Posted in Sci-Tech |

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