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24 March 2011 @ 10:01 am
Arctic Oil and Gas Ultimates  


In the context of this article the Arctic is defined as the area of the globe with latitudes north of 66° 33’ 39’’, the present polar circle with an obliquity of 23° 26’ (that can vary from 22° to 24° 30' during a 40 000 years cycle). The Arctic can be also defined as the isotherm of <50°F any month of the year. Both definitions mean that Arctic area is changing slowly with time.



















http://europe.theoildrum.com/node/3666