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Politics : Formerly About Advanced Micro Devices

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To: Brumar89 who wrote (864142)	6/10/2015 11:24:09 AM
From: Wharf Rat	Read Replies (1) of 1580037

*Where are the orange groves of Virginia* Drowned by rising sea levels. *Where are the cotton fields of Iowa?* Gone to magical baseball fields, every one. *Is Siberia the greatest farming country in the world?* Pingo Sources of Natural Gas Within Permafrost North-West Siberia: arlis.org . “Sudden gas blowouts originating within permafrost intervals have been encountered during well drilling in different parts of the polar region… Some cores [taken at depths of 70-120 m – too shallow to be in the gas hydrate stability zone- LP] liberated remarkable volumes of gas when melted in liquid. The total volume of liberated gas was in excess of 10 times the volume of available pore space in the cores… Therefore, it was concluded that gas…had been transformed into gas hydrate…. … It is obvious, however, that substantial volumes of methane are trapped in relatively shallow permafrost (down to 150 m) [outside the gas hydrate stability zone – LP]. …Thus the estimated free gas volume at this depth interval should be no less than … 50,000 m3/km2. This is the minimum value: actual methane content may be an order of magnitude greater… Gas can accumulate within permafrost as free gas or in hydrate form. Evidence suggests that hydrates can be distributed throught the permafrost section even without favorable thermodynamic conditions for hydrate stability (self-preserved hydrates). … Elevated gas content at depth intervals of 50-120 m in the Bovanenkovo field, 50-100 m in the Yamburg field, 60-400 m in the Taglu field, in comparison with other permafrost intervals at these fields, suggests the possibility of regional layers with extremely high methane content which could potentially liberate huge volumes of methane gas during global warming” This possible layer of relict gas hydrate could be the source of the gas blowouts we have been seeing in Yamal leaving those mysterious craters that apparently evolve by subsidence into circular lakes.. These blowouts have been encountered at Bovanenkovo, within a few kilometers of the most famous gas blowout crater.

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