Milankovitch cycles
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Milankovitch cycles describe the collective effects of changes in the Earth's movements on its climate over thousands of years. The phenomenon is named after the Serbian geophysicist and astronomer Mi
Tabernas Desert, Spain: Cycles can be observed in the colouration and resistance of different sediment strata
420,000 years of ice core data from Vostok, Antarctica research station, with more recent times on the left
Ice age
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An ice age is a period of time when decreased temperature of Earth's surface and atmosphere results in the prolonged presence or expansion of continental alpine glaciers and polar ice caps. The term i
Milankovitch cycles
…the summer insolation in northern high latitudes. Therefore, he deduced a 41,000-year period for ice ages. However, subsequent research has shown that ice age cycles of the Quaternary glaciation over the last million years have been at a period of 100,000 years, which matches the eccentricity cycle. Various…
An artist's impression of ice age Earth at Pleistocene glacial maximum
Haukalivatnet lake (50 meters—164 feet—above sea level) where Jens Esmark in 1823 discovered similarities to moraines near existing glaciers in the high mountains
Stages of proglacial lake development in the region of the current North American Great Lakes
Scandinavia exhibits some of the typical effects of ice age glaciation such as fjords and lakes.