976 resultados para Shackleton, Richard, d.1792.


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Mode of access: Internet.

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A 13-million-year continuous record of Oligocene climate from the equatorial Pacific reveals a pronounced "heartbeat" in the global carbon cycle and periodicity of glaciations. This heartbeat consists of 405,000-, 127,000-, and 96,000-year eccentricity cycles and 1.2-million-year obliquity cycles in periodically recurring glacial and carbon cycle events. That climate system response to intricate orbital variations suggests a fundamental interaction of the carbon cycle, solar forcing, and glacial events. Box modeling shows that the interaction of the carbon cycle and solar forcing modulates deep ocean acidity as well as the production and burial of global biomass. The pronounced 405,000-year eccentricity cycle is amplified by the long residence time of carbon in the oceans.

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"Written by an anonymous Celestine monk in the 1470s at Notre Dame D'Ambert near Orleans ... an interesting example of devotional literature in the vernacular written by the Celestines for women. The complicated story behind this text (which survives in only two manuscripts), however, is even more interesting, since its source is the Miroir des simples âmes (Mirror of Simple Souls) by the mystical writer, Marguerite Porete, who was burnt at the stake as a relapsed heretic in Paris in 1310"--Textmanuscripts.com

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