• New Paper Finds Solar Amplification By Which Sun Controlled Climate Over Past 250 years

    • Date: 01/04/14
    • The Hockey Schtick

    A new paper published in Nature Communications finds a “clear correlation” between solar and volcanic activity and a 5-year lagged response of the Atlantic Multidecadal Oscillation [AMO] over the past 250 years, which in turn drives the climate of the Northern Hemisphere. This may represent yet another solar amplification mechanism by which tiny variations in solar activity have large-scale […]

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  • New Paper Finds Precipitation Over Greenland Has Increased Since 1890

    • Date: 30/03/14
    • The Hockey Schick

    A new paper published in the International Journal of Climatology finds precipitation over Greenland shows an increasing trend from 1890-2012. According to the paper, “The coastal meteorological stations showed on average increasing trends for 1890–2012 (3.5 mm water equivalent per year) and 1961–2012 (1.3 mm water equivalent per year). Increased precipitation offsets Greenland ice sheet mass loss from increased snowfall. Increased precipitation […]

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  • Warming Interruptus: Causes For The Pause

    • Date: 26/03/14
    • Dr David Whitehouse

    What is the reason for the lack of warming observed at the surface of the Earth since about 1997? Many causes have been proposed, and with increasing frequency, but most only represent partial explanations. There are clearly more putative causes than can possibly be the case. The pause has given climate science several things. It […]

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  • Global Sea Level Rise Has Decelerated 31% Since 2002, New Paper

    • Date: 24/03/14
    • The Hockey Schtick

    A paper published today in Nature Climate Change finds that global sea level rise has greatly decelerated 31% since 2002 from 3.5 mm/yr to 2.4 mm/yr. According to the authors, “This decreasing Global Mean Sea Level [GMSL] rate coincides with the pause observed over the last decade in the rate of Earth’s global mean surface temperature increase, […]

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  • Greenhouse Gas Rise ‘Will Boost Crop Yield’

    • Date: 20/03/14
    • Ben Webster and Hannah Devlin, The Times

    Rising greenhouse gas emissions may result in better harvests of wheat and soya beans even after allowing for the damage caused to crops by more frequent heat waves, researchers say. Their findings appear at odds with the Intergovernmental Panel on Climate Change, which said in a leaked draft of a report due later this month […]

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  • Cloudy Forecast: Growing Uncertainty Over Cloud Behaviour

    • Date: 16/03/14
    • Gabriel Popkin, Science News

    The biggest source of climate uncertainty is white and fluffy. In recent years, the uncertainty has actually grown. UP IN THE AIR  Clouds can both warm and cool the planet. How clouds will respond to global warming is the largest source of uncertainty in climate change predictions. From space, clouds appear to perform an intricate and never-ending […]

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  • The Long Way To Solar Maximum

    • Date: 09/03/14
    • Russ Steele, The Next Grand Minimum

    Everybody has noticed it: Over the last few months, solar activity has shifted into a higher gear. Since October last year, more and bigger sunspot groups have appeared on the solar disk, gradually driving the monthly sunspot number to new heights. Indeed, in February, preliminary values (SILSO) for the international sunspot number reached 102.8, the […]

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  • Official: Great Lakes Ice Coverage Headed For Record

    • Date: 04/03/14
    • Liam Ford, Chicago Tribune

    The ice on the Great Lakes this week covered more of the lakes’ surface than at any other time since the record-setting year of 1979, and could break that year’s record this week. The Great Lakes were 90.5 percent ice-covered as of Sunday, the greatest percentage of ice cover since the record-setting year of 1979, according to […]

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