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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.
The list of periods and events in climate history includes some notable climate events known to paleoclimatology. Knowledge of precise climatic events decreases as the record goes further back in time.
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]
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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)
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The most recent cooling event was the Little Ice Age. The same cooling events are detected in sediments accumulating off Africa, but the cooling events appear to be larger: 3–8 °C (6–14 °F). [75] δ 18 O values from chironomid remains in the Azores reflect the cooling of the LIA. [76]