Thursday, December 17, 2015

Air temperature in Arctic hottest in 115-years: walrus habitats threatened


It is an undisputed fact that the air in the Arctic is heating up, with the temperatures being the hottest in 115 years. As a result, the melting ice is destroying walrus habitat and forcing some fish northward as indicated in a global scientific report. Air temperature anomalies over land were 2.3 degrees Fahrenheit (1.3 Celsius) above average. It was the highest since records began to be kept in 1900 as per the 2015 Arctic Report Card which is an annual peer-reviewed study issued by the National Oceanic and Atmospheric Administration.
This has been reported in ibnlive.com dated 16 December 2015.
The annual sea ice maximum occurred on February 25, about two weeks earlier than average, and was "the lowest extent recorded since records began in 1979."
The NOAA chief scientist has cautioned that warming is happening more than twice as fast in the Arctic than anywhere else in the world. This is attributed to climate change, and its impacts are creating major challenges for Arctic communities. He added that what happens in the Arctic doesn't stay in the Arctic.
NOAA chief scientist Rick Spinrad made these observations at the annual American Geophysical Union fall meeting in San Francisco.
The average annual air temperature was measured over land between October 2014 and September 2015 and it showed a 5.4 degree Fahrenheit (three degrees Celsius) increase since the beginning of the 20th century. Moreover, the minimum sea ice extent, measured on September 11, 2015, was the fourth lowest in the satellite record since 1979 and the snow cover across the Arctic has also been declining, and is down 18 per cent per decade since 1979. This year, Greenland experienced its first significant melting event since 2012, and lost more than half of its surface area.

(Image courtesy wikimediacommons.org)

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