The winter ice pack in the Arctic was once dominated by multi-year*, thick ice. Today, very little old ice remains. This animation shows maps of sea ice age ...
Since 1988, Arctic sea ice is getting younger, and young ice is not a good thing. In 1988, ice that was at least 4 years old accounted 26 percent of the Arctic’s sea ice. By 2013, ice that age was only 7 percent of all Arctic sea ice.
The vanishing act is occurring because climate change is helping warm the ocean waters in parts of the Arctic. Those warmer temperatures are whittling away at older sea ice during the summer melt season.
Replacing this thicker, harder old ice with young ice, which is generally thinner and melts more easily, is also contributing to the steep decline in summer sea ice extent and could trigger a feedback loop. That’s because less ice means more dark ocean water is exposed to the sun, which absorbs more of the incoming sunlight than white ice. That means warmer waters, which could in turn mean even less old ice and ice cover with each passing year.
Image Source: http://msnbcmedia.msn.com/ Technology has changed the world’s landscape. President Barack Obama explains, “In a 21st-century world where jobs can be shipped wherever there’s an Internet connection ...
As the US struggles with inequity between richer and poorer school districts, Shanghai's stellar urban schools offer hands-on help to rural schools with intensive teaching and administrative mentoring.
The Malay Mail Online Gladiator School Discovery Reveals Hard Lives of Ancient Warriors National Geographic Ancient Rome's gladiators lived and trained in fortress prisons, according to an international team of archaeologists who mapped a school...
By moving the slider, the user can compare 1990 false-color Landsat views (left) with recent true-color imagery (right). Humans are increasingly transforming Earth’s surface—through direct activities such as farming, mining, and building, and indirectly by altering its climate.
This interactive feature includes 12 places that have experienced significant change since 1990. This is an user-friendly way to compare remote sensing images over time. Pictured above is the Aral Sea, which is and under-the-radar environmental catastrophe in Central Asia that has its roots in the Soviet era's (mis)management policies.
Tags: remote sensing, land use, environment, geospatial, environment modify, esri, unit 1 Geoprinciples, zbestofzbest.
Accordingly, if we come to possess religious proofs that reach us by way of revelation and which serve to illuminate wider horizons for us in connection with this issue, not only is there no harm in accepting them, but on the ...
http://www.tedxeuston.com Komla Dumor is one of the most recognised faces voices at the British Broadcasting Corporation. After a successful career in journa... (Telling the African story: #KomlaDumor's talk at TEDxEuston.
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