Abstract
THE discussion of meteorological observations shows clearly that climates undergo variations of short duration, but such records as the presence of old lake beaches and the existence of well-marked glacial moraines, and other geological evidence distinctly point to climate changes covering long intervals of time. The evidence is not sufficient to characterise the variations as periodic, but the ice ages are sufficient to point to times when the conditions reached were extreme.
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The Origin of Climatic Changes . Nature 92, 479–480 (1913). https://doi.org/10.1038/092479d0
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DOI: https://doi.org/10.1038/092479d0