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The Grindelwald Fluctuation is a period (in a wider cooling phenomenon) when glaciers in Grindelwald, Switzerland, expanded significantly. Temperatures were 1-2 degrees Celsius lower than twentieth-century averages during this period, which is thought to have lasted from the 1560s to the 1630s.
Climate changes of 535-536 (535–536 AD), sudden cooling and failure of harvests, perhaps caused by volcanic dust 900–1300 Medieval Warm Period , wet in Europe, arid in North America, may have depopulated the Great Plains of North America, associated with the Medieval renaissances in Europe
The penultimate glacial period expanded ice sheets and shifted temperature zones worldwide, which had a variety of effects on the world's environment, and the organisms that lived in it. [4] At its height, the penultimate glacial period was a more severe glaciation than the Last Glacial Maximum . [ 2 ]
The next cooling to follow the Younger Dryas phase was the Preboreal Oscillation. It is thought by some that this period was caused by freshwater outbursts from the Baltic Ice Lake to the Nordic Sea, [16] [17] but this cooling also closely followed the Lake Agassiz outbursts that occurred 11.7 and 11.2 ka calendar years. The outflow from Lake ...
Late Cenozoic Ice Age, the geologic period of the last 33.9 million years Little Ice Age , a period of relative cold in certain regions from roughly 1450–1480 Pleistocene , a geologic epoch, often colloquially referred to as the "Ice Age", that includes the world's most recent repeated glaciations (2,580,000 to 11,700 years ago)
The Older Dryas is a period of cooling during the Bølling–Allerød warming, estimated to be from 13,900 to 13,600 years before present (BP), [7] and the estimated ages can vary using different age dating methods. Numerous studies on chronology and palaeoclimate of last deglaciation show a cooling event within Bølling–Allerød warming that ...
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A "greenhouse Earth" is a period during which no continental glaciers exist anywhere on the planet. [6] Additionally, the levels of carbon dioxide and other greenhouse gases (such as water vapor and methane) are high, and sea surface temperatures (SSTs) range from 28 °C (82.4 °F) in the tropics to 0 °C (32 °F) in the polar regions. [7]