climate models

‘Southern ocean re-routes 40 percent of carbon emissions’


July 31st, 2012 - 5:57 pm ICT by IANS
London, July 31 (IANS) The Southern Ocean re-routes as much as 40 percent of the annual global carbon dioxide (CO2) emissions, helping the world's oceans absorb them, according to a ... Read more...

Posted in Environment |

Global warming may cause Emperor penguins to vanish


June 21st, 2012 - 3:55 pm ICT by IANS
Washington, June 21 (IANS) Scientists have warned that Emperor penguins, Antarctica's largest and most iconic flightless birds, may vanish if global temperatures and sea ice melting continues unabated. "Over ... Read more...

Posted in Environment |

Scientists unravel climate patterns from glacial debris


May 22nd, 2012 - 12:58 pm ICT by IANS
Sydney, May 22 (IANS) Scientists have developed a new diagnostic tool that will enable better understanding of global climate patterns. By distinguishing whether debris in glacial deposits originates from climatic ... Read more...

Posted in World |

Asian mosquitoes to hit Britain with dengue


April 25th, 2012 - 7:24 pm ICT by IANS
London, April 25 (IANS) A mosquito from Asia that spreads tropical diseases, including dengue fever, may soon hit the shores of Britain because of climate change, experts have said.The mosquito, ... Read more...

Posted in World |

Extreme summers will be commonplace by mid-century


February 17th, 2012 - 12:36 pm ICT by IANS
Washington, Feb 17 (IANS) Extreme summers, not unusual in the US today, will become commonplace by mid-century if the emission of greenhouses gases continues unabated.For instance, a 100-ft drop in ... Read more...

Posted in World |

Sea levels will rise by 60 cm by 2100


October 18th, 2011 - 12:10 pm ICT by IANS
London, Oct 18 (IANS) Sea levels will rise by 60 cm by the end of the century and by another 180 cm over the next four centuries, submerging many low-lying ... Read more...

Posted in Environment |

Arctic Sea could become iceless by century-end


October 12th, 2011 - 8:21 pm ICT by IANS
London, Oct 12 (IANS) The Arctic Sea could become iceless by the century-end, according to a chilling scenario forecast by the world's leading scientific institutes. Researchers from CNRS, Universite Joseph ... Read more...

Posted in Uncategorized |

Arctic sea ice hits second-lowest level


October 5th, 2011 - 7:20 pm ICT by IANS
Washington, Oct 5 (IANS) The extent of sea ice covering the Arctic Ocean in September declined to the second-lowest on record, said experts.The Arctic ice cap grows each winter as ... Read more...

Posted in Environment |

Warming ocean layers melt polar ice sheets faster


July 4th, 2011 - 2:50 pm ICT by IANS
Washington, July 4 (IANS) Warming of the ocean's subsurface layers will melt portions of underwater Greenland and Antarctic ice sheets faster than previously thought, increasing sea levels more than projected. ... Read more...

Posted in Uncategorized |

Inflow of salt water from Indian Ocean could stabilize climate in Europe


April 30th, 2011 - 5:04 pm ICT by ANI
London, April 30 (ANI): It has been predicted that global warming will weaken the effects of the Gulf Stream leading to dry climate in Europe, but a new study has suggested that ... Read more...

Posted in Health Science |

Halting greenhouse gas emissions would still make Earth warmer


February 16th, 2011 - 4:50 pm ICT by ANI
Washington, Feb 16 (ANI): A new University of Washington research has suggested that even if all green house gas emissions were stopped now, temperatures would remain higher than pre-Industrial Revolution levels because ... Read more...

Posted in Health Science |

2 severe Amazon droughts in 5 years stir climate fear


February 4th, 2011 - 6:23 pm ICT by ANI
Washington, Feb 4 (ANI): A new study has revealed that two severe and unexpected droughts in the Amazon basin in just five years have devastated the region's rainforests, and could make global ... Read more...

Posted in Health Science |

Amazon droughts alarm scientists


February 4th, 2011 - 4:03 pm ICT by IANS
London, Feb 4 (IANS) The 2010 Amazon drought may have been even more devastating to the region's rainforests than the unusual 2005 drought that was previously billed as a one-in-100 year event.Analyses ... Read more...

Posted in Environment |

Global warming to turn clouds into heat traps


December 12th, 2010 - 6:04 pm ICT by IANS
London, Dec 12 (IANS) Global warming will turn clouds into heat traps, worsening the greenhouse gas effects, and chances that clouds will save us from climate change are low, an expert says. ... Read more...

Posted in Sci-Tech |

‘Cloud feedback’ will play major role in global warming: Study


December 10th, 2010 - 5:49 pm ICT by ANI
Washington, Dec 10 (ANI): Till now, one of the biggest uncertainties in climate change studies was whether clouds trap more heat or offer a net cooling.And researchers were not able to ... Read more...

Posted in Health Science |

Study finds changes in solar activity affect local climate


December 9th, 2010 - 6:02 pm ICT by ANI
Washington, Dec 9 (ANI): There is a lot of debate about whether the sun's activity could have influenced the earth's climate over thousands or millions of years.Now, Swedish researchers have revealed ... Read more...

Posted in Health Science |

Mid-level clouds are especially understudied, says geoscientist


November 27th, 2010 - 5:39 pm ICT by ANI
Washington, Nov 27 (ANI): A Texas A&M University geoscientist has said that clouds are the least-understood variable in the sky-especially the mid-level clouds.Shaima Nasiri said that the mid-level clouds are so understudied ... Read more...

Posted in Health Science |

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 |

Huge parts of world drying up due to land ‘evapotranspiration’: Study


October 11th, 2010 - 2:44 pm ICT by ANI
London, Oct 11 (ANI): A group of researchers examining 'evapotranspiration' on a global basis have concluded that the soils in large areas of the Southern Hemisphere, including major portions of Australia, Africa ... Read more...

Posted in Health Science |

Does a stronger Sun actually cool Earth?


October 7th, 2010 - 4:48 pm ICT by IANS
London, Oct 7 (IANS) An increase in the Sun's solar activity actually cools the Earth, suggests a new research that will renew the debate over the science behind climate change. The ... Read more...

Posted in Environment |

Stronger Sun ‘makes Earth cool, not hot’


October 7th, 2010 - 12:03 pm ICT by ANI
London, Oct 7 (ANI): Contrary to the belief that an increase in solar activity from the Sun heats up Earth too, scientists have found that it's quite the opposite.Based on a three-year ... Read more...

Posted in Health Science |

New software enhances climate change research


August 19th, 2010 - 5:52 pm ICT by ANI
Washington, Aug 19 (ANI): A new powerful computer software will allow scientists to study the climate change in a more detailed manner.The Community Earth System Model (CESM) will be one of the ... Read more...

Posted in Health Science |

Why Antarctic sea ice is increasing despite warming climate


August 17th, 2010 - 12:55 pm ICT by ANI
Washington, Aug 17 (ANI): While the Arctic sea ice has been decreasing over the years, the Antarctic sea ice extent has been increasing slightly - a phenomenon that has left scientists baffled."We ... Read more...

Posted in Health Science |

How honeycomb clouds exhibit self-organization


August 15th, 2010 - 2:59 pm ICT by ANI
London, Aug 15 (ANI): Researchers have shown how honeycomb clouds disappear in one place and reappear in another.Researchers claimed that rain causes air to move vertically, which breaks down and builds up ... Read more...

Posted in Health Science |

Cutting soot emissions best hope for saving Arctic ice


July 30th, 2010 - 5:49 pm ICT by IANS
Washington, July 30 (IANS) Soot from the burning of fossil fuels contributes far more to global warming than has been thought. But, unlike carbon dioxide (CO2), soot lingers only a few weeks ... Read more...

Posted in Environment |

Soot emissions key factor in global warming, says expert


July 29th, 2010 - 1:13 pm ICT by ANI
Washington, July 29 (ANI): A new study has found that the quickest, best way to slow the rapid melting of Arctic sea ice is to reduce soot emissions from the burning of ... Read more...

Posted in Health Science |

World on course for hottest year since 1880


July 21st, 2010 - 4:49 pm ICT by IANS
London, July 21 (IANS) The world is on course for the hottest year since records began in 1880 after record-breaking temperatures in four of the first six months of the year, according ... Read more...

Posted in Sci-Tech |

Hot cities getting hotter faster


June 23rd, 2010 - 2:15 pm ICT by ANI
Washington, June 23 (ANI): With the summer sun baking up the earth and cities growing in number, hot cities will grow even hotter, says a new study.It is known that cities retain ... Read more...

Posted in Health Science |

Early Earth haze similar to Titan may have been UV shield for planet


June 4th, 2010 - 2:38 pm ICT by ANI
Washington, June 4 (ANI): A new study shows a thick organic haze that covered the Earth several billion years ago, similar to that on Saturn's largest moon, Titan, may have provided ultraviolet ... Read more...

Posted in Health Science |

700 years of Asian monsoons mapped via tree rings


April 23rd, 2010 - 2:36 pm ICT by ANI
London, Apr 23 (ANI): By analysing tree-ring data from more than 300 sites in Asia, researchers could piece together a year-by-year history of the region's monsoon rains as far back as 1300 ... Read more...

Posted in Health Science |

Global warming likely to impact rainfall patterns


March 1st, 2010 - 1:43 pm ICT by IANS
Washington, March 1 (IANS) Climate models project that the global average temperature will rise about 1 degree C by mid-century, if we continue with business as usual and emit greenhouse gases. The ... Read more...

Posted in Sci-Tech |

More tropical cyclones in ancient past could play role in Earth’s warmer future


February 25th, 2010 - 5:01 pm ICT by ANI
Washington, Feb 25 (ANI): A team of climate scientists has determined that more frequent tropical cyclones in Earth's ancient past have contributed to persistent El Nino-like conditions, which could have implications for ... Read more...

Posted in Health Science |

Increased snowfall in Antarctica linked to Australian drought


February 8th, 2010 - 2:59 pm ICT by ANI
Sydney, Feb 8 (ANI): Reports indicate that scientists have discovered a link between the ongoing drought in the south western corner of Australia and increased snowfall in parts of Antarctica.Dr Tas van ... Read more...

Posted in Health Science |

Soot from India triggers retreat of Himalayan glaciers


February 4th, 2010 - 3:41 pm ICT by IANS
Washington, Feb 4 (IANS) Nobody disputes that glaciers in the Himalayas are thinning. Now a physicist at the Lawrence Berkeley National Lab, Surabhi Menon has set out to isolate the impacts of ... Read more...

Posted in Sci-Tech |

Puzzling drop in water vapour may be behind warming slowdown


January 29th, 2010 - 3:48 pm ICT by ANI
London, January 29 (ANI): Scientists have suggested that a puzzling drop in the amount of water vapour in the Earth's atmosphere may be responsible for a slowdown in average global temperatures.Although the ... Read more...

Posted in Health Science |

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