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Recent observations indicate that curious closed depressions in carbonate sediments overlying basement edifices are widespread in the equatorial Pacific. A possible mechanism for their creation is dissolution by fluids exiting basement vents from off-axis hydrothermal flow. Quantitative analysis based on the retrograde solubility of calcium carbonate and cooling of basement fluids during ascent provides an estimate for the dissolution capacity of the venting fluids. Comparison of the dissolution capacity and fluid flux with typical equatorial Pacific carbonate mass accumulation rates shows that this mechanism is feasible. By maintaining sediment-free basement outcrops, the process may promote widespread circulation...
Categories: Publication;
Types: Citation;
Tags: Sediments,
carbonate,
hydrothermal,
pelagic,
solubility,
Addressing energy poverty rather than energy equity conveniently evades the problem of the gap in energy consumption per capita in the developed and developing world. For energy security policies to adequately address energy poverty it requires a widening of scope from national to global. This is a comment to the forthcoming presentation of IEA's proposition for a new architecture for financing universal modern energy access to be presented at the conference ‘Energy for all—Financing access for the poor’ held in Oslo in October 2011.
Addressing energy poverty rather than energy equity conveniently evades the problem of the gap in energy consumption per capita in the developed and developing world. For energy security policies to adequately address energy poverty it requires a widening of scope from national to global. This is a comment to the forthcoming presentation of IEA's proposition for a new architecture for financing universal modern energy access to be presented at the conference ‘Energy for all—Financing access for the poor’ held in Oslo in October 2011.
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