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Simon Harrison

Arctic Melt Raises Sea Levels and Reinforces Global Warming - 0 views

earthobservatory.nasa.gov/...-and-reinforces-global-warming

global warming arctic sea ice

shared by Simon Harrison on 17 Jun 11 - No Cached
  • Simon Harrison on 17 Jun 11
     
    If you want to see global warming's signature, look to the Arctic. Up north, the air is warming and the ice is melting. As all of that reflective ice goes away, the Arctic Ocean is soaking up more sunlight, further enhancing warming. Melting Arctic ice is also contributing significantly to sea level rise.
Simon Harrison

Arctic melt releasing ancient gas - 0 views

www.bbc.co.uk/...science-environment-18120093

Methane arctic

shared by Simon Harrison on 05 Jun 12 - No Cached
  • Simon Harrison on 05 Jun 12
     
    Scientists have identified thousands of sites in the Arctic where methane that has been stored for many millennia is bubbling into the atmosphere. The methane has been trapped by ice, but is able to escape as the ice melts. Writing in the journal Nature Geoscience, the researchers say this ancient gas could have a significant impact on climate change.
Simon Harrison

Release of Arctic methane could accelerate warming - environment - 21 May 2012 - New Sc... - 1 views

feeds.newscientist.com/...story01.htm

Arctic methane

shared by Simon Harrison on 05 Jun 12 - No Cached
  • Simon Harrison on 05 Jun 12
     
    Melting Arctic permafrost could put even more methane - a potent greenhouse gas - into the atmosphere than previously thought, with worrying implications for the pace of global warming. Many ice sheets that sit like caps over rock crevices trap natural seeps of methane; when they melt, the gas can quickly be released into the atmosphere in "burps".
Simon Harrison

Arctic Sea Ice - 0 views

earthobservatory.nasa.gov/...view.php

Actic Ice

shared by Simon Harrison on 17 Jun 11 - No Cached
  • Simon Harrison on 17 Jun 11
     
    Layers of frozen sea water, known as sea ice, cap the Arctic Ocean. The ice grows dramatically each winter, and melts just as dramatically each summer. In the past decade, the melting has grown more dramatic, while growth has become less so, as you can see in our World of Change feature.
Simon Harrison

NASA measure ice thickness at the North Pole - 1 views

www.nasa.gov/...thick-melt.html

Arctic

shared by Simon Harrison on 25 Jun 12 - No Cached
  • Simon Harrison on 25 Jun 12
     
    › View 1980 image › View 2012 image This interactive illustrates how perennial sea ice has declined from 1980 to 2012. The bright white central mass shows the perennial sea ice while the larger light blue area shows the full extent of the winter sea ice including the average annual sea ice during the months of November, December and January.
Simon Harrison

Hidden treasures - 0 views

www.economist.com/...daily-chart-9

Arctic

shared by Simon Harrison on 18 Jun 12 - No Cached
  • Simon Harrison on 18 Jun 12
     
    The melting of the Arctic is both a blessing and a curse THE Arctic's glaciers, including those of Greenland's vast ice cap, are retreating (see map above).
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