ice cores

Ice age to interglacial period: Greatest climate change


July 24th, 2012 - 6:21 pm ICT by IANS
Copenhagen, July 24 (IANS) The greatest climate change ever recorded by the world over the last 100,000 years has been the transition from the ice age to the warm interglacial ... Read more...

Posted in Uncategorized |

Evidence confirms CO2 spikes ended ice age


April 8th, 2012 - 7:28 pm ICT by IANS
Washington, April 8 (IANS) Harvard scientists are helping show the fullest picture of how global spikes in carbon dioxide (CO2) combined to finish off the last ice age 20,000 to ... Read more...

Posted in Uncategorized |

CO2 hidden in ocean during Ice Age


March 30th, 2012 - 3:14 pm ICT by IANS
Berlin, March 30 (IANS) Much of the CO2 was hidden in the ocean, which explains its low atmosphere concentration during the last Ice Age 20,000 years ago, researchers say.Climate researchers ... Read more...

Posted in World |

Climate played big role in Vikings’ disappearance


May 31st, 2011 - 1:35 pm ICT by IANS
Washington, May 31 (IANS) A sudden, short spell of cold weather known as The Little Ice Age gripped Greenland in the beginning of the 1400s, wiping out its Norse population.Now, ... Read more...

Posted in World |

Earth’s rotation, not human activity caused ‘methane level increase’


February 7th, 2011 - 1:20 pm ICT by ANI
Melbourne, Feb 7 (ANI): A new study has suggested that it's not human activity but the Earth's rotation patterns that caused an increase in methane levels 5000 years ago.Dr Joy Singarayer of ... Read more...

Posted in Health Science |

Earth is ‘twice as dusty’ now as it was a century ago


January 14th, 2011 - 12:04 pm ICT by ANI
London, Jan 14 (ANI): A new study by U.S. scientists has revealed that the amount of dust in the Earth's atmosphere has doubled over the last century.And researchers believe that the increase ... Read more...

Posted in Health Science |

Indian scientists traversed shortest path to South Pole


January 11th, 2011 - 5:49 pm ICT by IANS
New Delhi, Jan 11 (IANS) Braving temperatures as low as minus 54 degrees Celsius and navigating jagged sharp ice hills, India's first scientific expedition team to the South Pole took a ... Read more...

Posted in Sci-Tech |

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 |

Scientific expedition completed to mark 30 years of Indian presence in Antarctica


December 1st, 2010 - 8:50 pm ICT by ANI
New Delhi, Dec 1(ANI): A scientific expedition to South Pole was launched from the Indian Station 'Maitri' at Antarctica to mark 30 years of Indian presence in the Earth's southernmost continent.An eight-member ... Read more...

Posted in National |

Antarctic icecaps could help scientists predict Earth’s future weather


November 28th, 2010 - 1:36 pm ICT by ANI
London, Nov 28 (ANI): London's Science Museum will feature three pieces of ice core, drilled from the Antarctic icecap, which could help scientists predict Earth's future weather.They will be installed in a ... 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 |

Indonesian ice fields could vanish within the next few years


August 15th, 2010 - 4:59 pm ICT by ANI
Washington, Aug 15 (ANI): Ohio State University researchers who drilled through an ice cap perched precariously on the edge of a 16,000-foot-high Indonesian mountain ridge say that the ice field could vanish ... Read more...

Posted in Health Science |

Huge carbon ‘burp’ that helped end last ice age detected


May 28th, 2010 - 10:53 am ICT by ANI
Washington, May 28 (ANI): The possible source of a huge carbon dioxide 'burp' that happened some 18,000 years ago and which helped to end the last ice age has been discovered by ... Read more...

Posted in Health Science |

Ancient ’space blast’ over Antarctica similar to Tunguska event of 1908


March 4th, 2010 - 3:00 pm ICT by ANI
London, March 4 (ANI): A new research has suggested that a large space rock may have exploded over Antarctica thousands of years ago, showering a large area with debris, similar to the ... Read more...

Posted in Health Science |

Scientists reveal new method of detecting past comet strikes upon Earth


December 14th, 2009 - 2:33 pm ICT by ANI
Washington, December 14 (ANI): An investigation by scientists at the University of Kansas (KU) has revealed a promising new method of detecting past comet strikes upon Earth and gauging their frequency."Comet impacts ... Read more...

Posted in Health Science |

Mystery volcano eruption solves ‘cool decade in the early 1800s’ puzzle


December 10th, 2009 - 4:24 pm ICT by ANI
London, Dec 10(ANI): Researchers believe that a newly detected 19th-century volcanic eruption may solve the mystery of the 'cool decade in the early 1800s'.Scientists have long blamed the 1815 eruption ... Read more...

Posted in Health Science |

Supervolcano eruption in Sumatra deforested India 73,000 years ago


November 24th, 2009 - 1:05 pm ICT by ANI
Washington, November 24 (ANI): In a new study, scientists have come across what they call "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago ... Read more...

Posted in Health Science |

Drilling 130,000 years of ice in Greenland may unlock secrets of climate history


October 20th, 2009 - 5:33 pm ICT by ANI
Washington, October 20 (ANI): An international group of scientists is all set to drill down through 130,000 years of accumulated ice in Greenland to unlock the secrets of climate history from what ... Read more...

Posted in Health Science |

Sediments show climate changes in remote Arctic lake a result of human activities


October 20th, 2009 - 4:54 pm ICT by ANI
Washington, October 20 (ANI): A new study has determined that an analysis of sediment cores indicates that biological and chemical changes occurring at a remote Arctic lake are unprecedented over the ... Read more...

Posted in Health Science |

Scientists map melting history of Greenland’s ice sheet


September 17th, 2009 - 2:11 pm ICT by ANI
Washington, September 17 (ANI): Researchers from the Niels Bohr Institute at the University of Copenhagen have mapped the history of the melting of the Greenland ice sheet.Numerous drillings have been made through ... Read more...

Posted in Health Science |

Indo-Pacific warm pool may have been as hot during medieval times as it is today


August 28th, 2009 - 3:35 pm ICT by ANI
Washington, August 28 (ANI): A new 2,000-year-long reconstruction of sea surface temperatures (SST) from the Indo-Pacific warm pool (IPWP) suggests that temperatures in the region may have been as warm during the ... Read more...

Posted in Health Science |

Current sea ice least in 800 years


July 2nd, 2009 - 2:20 pm ICT by ANI
Washington, July 2 (ANI): A new research, which has reconstructed the extent of ice in the sea between Greenland and Svalbard from the 13th century to the present indicates that there has ... Read more...

Posted in Health Science |

Traces of microbes in shallow ice layers may help find life on icy worlds


June 26th, 2009 - 3:59 pm ICT by ANI
Washington, June 26 (ANI): A new research has indicated that living microorganisms and the food that sustained them can be detected in shallow ice layers, which will help find life on icy ... Read more...

Posted in Health Science |

Ancient drought and rapid cooling drastically altered climate 4500 yrs ago


June 19th, 2009 - 1:49 pm ICT by ANI
Washington, June 19 (ANI): Scientists are analyzing two abrupt and drastic climate events, 700 years apart and more than 45 centuries ago, which drastically altered the climate.The events - one, a massive, ... Read more...

Posted in Health Science |

Abrupt global warming can cause a shift in monsoon patterns


June 12th, 2009 - 1:27 pm ICT by ANI
Washington, June 12 (ANI): A new study has determined that an abrupt change in climate, like global warming, can cause a shift in monsoon patterns and hurt agriculture.The study took into account ... Read more...

Posted in Health Science |

Methane more stable in a warming world than previously thought


April 24th, 2009 - 12:22 pm ICT by ANI
Washington, April 24 (ANI): In a new research of ice cores by scientists, it has been revealed that a vast, potential source of the potent greenhouse gas, methane, is more stable in ... Read more...

Posted in Health Science |

Antarctic dust helps scientists unravel details of past climate change


March 30th, 2009 - 12:32 pm ICT by ANI
Washington, March 30 (ANI): In a new study, dust trapped deep in Antarctic ice sheets is helping scientists unravel details of past climate change.The study, carried out by the Universities of Edinburgh, ... Read more...

Posted in Health Science |

Drilling Greenland ice may reveal how global warming will change world in 100 years


March 23rd, 2009 - 1:08 pm ICT by ANI
London, March 23 (ANI): A team of scientists is planning to dig up ice dating back more than 100,000 years in Greenland, to shed light on how global warming will change ... Read more...

Posted in Health Science |

Missing radioactive signals in Himalayan ice cores spells danger for part of Asia


November 19th, 2008 - 1:06 pm ICT by ANI
Washington, Nov 19 (ANI): Glaciologists have been unable to find the expected radioactive signals in the latest core they drilled from a Himalayan ice field, which suggests absence of accumulation of ... 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 |

Short-term spikes, long-term warming linked to tropical Pacific


August 13th, 2008 - 5:36 pm ICT by ANI
Washington, August 13 (ANI): A new analysis of ice cores has determined that dramatic year-to-year temperature swings and a century-long warming trend across West Antarctica are linked to conditions in the ... Read more...

Posted in Health Science |

Now, pocket-sized MRI scanners


July 9th, 2008 - 5:45 pm ICT by ANI
Washington, July 9 (ANI): Scientists at the Fraunhofer Institute for Biomedical Technology Engineering IBMT in Sankt Ingbert have invented pocket-sized scanners that can perform magnetic resonance imaging (MRI) scans in the ... Read more...

Posted in South Asia |

Global climate models have overstated warming in Antarctica


May 8th, 2008 - 12:20 pm ICT by admin
Washington, May 8 (ANI): A new research by scientists at the National Center for Atmospheric Research (NCAR) and Ohio State University has determined that computer analyses of global climate have consistently ... Read more...

Posted in South Asia |

Scientists head to warming Alaska to recover ice cores from glaciers


April 30th, 2008 - 3:24 pm ICT by admin
Washington, April 30 (ANI): A team of scientists is heading to warming Alaska to recover ice cores from glaciers, in an effort to better understand how the Pacific Northwest fits into ... Read more...

Posted in National |

Before fossil fuels, Earths minerals kept CO2 in check


April 30th, 2008 - 2:36 pm ICT by admin
Washington, April 30 (ANI): A new study has suggested that before the era of fossil fuels, the carbon dioxide (CO2) in the atmosphere was checked by Earths minerals.Carried out by researchers ... Read more...

Posted in Life Style |

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