Sentences with phrase «cycles over hundreds of thousands of years»
To answer this question properly it would be necessary to view climate cycles over hundreds of thousands of years.
http://www.climate-skeptic.com/ Not exact matches
Over hundreds of thousands of years, the Neandertal lineage developed successfully in western Eurasia and survived severe fluctuations between colder and warmer climactic cycles of the Ice Age.
As Don Easterbrook and others note, hardly a significant length in temperatures that can cycle over hundreds and even thousands of years, caused by either solar input changes or circulations within the oceans.
But, he said, the study «clearly could have important implications for better quantifying and characterizing our assessment of climate variations over decadal to tens to hundreds of thousands of years cycles.»
«Although these events played out over hundreds or thousands of years, the magnitude of the changes, in carbon dioxide levels for example, are similar to those of the last 150 years resulting from human influence on the carbon cycle.