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An interglacial period (or alternatively interglacial, interglaciation) is a geological interval of warmer global average temperature lasting thousands of years that separates consecutive glacial periods within an ice age. The current Holocene interglacial began at the end of the Pleistocene, about 11,700 years ago.
Graph of Pleistocene glacial cycles in Europe from 600-100,000 years ago, with the Holstein interglacial labelled. The Holstein or Holsteinian interglacial (German: Holstein-Warmzeit or Holstein-Interglazial), also called the Mindel-Riss interglacial (Mindel-Riß-Interglazial) in the Alpine region, is the third to last major interglacial in Europe before the Holocene, the present warm period.
A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances.
The Last Interglacial climate is believed to have been warmer than the current Holocene. [8] [9] The temperature of the Last Interglacial peaked during the early part of the period, around 128,000 to 123,000 years Before Present, before declining during the latter half of the period. [10]
The third ice age, and possibly most severe, is estimated to have occurred from 720 to 635 Ma (million years) ago, [3] in the Neoproterozoic Era, and it has been suggested that it produced a second [4] "Snowball Earth", i.e. a period during which Earth was completely covered in ice.
Evidence for the Quaternary glaciation was first understood in the 18th and 19th centuries as part of the scientific revolution.Over the last century, extensive field observations have provided evidence that continental glaciers covered large parts of Europe, North America, and Siberia.
Deglaciation is the transition from full glacial conditions during ice ages, to warm interglacials, characterized by global warming and sea level rise due to change in continental ice volume. [1]
5-million-year history, representing the Lisiecki and Raymo (2005) LR04 Benthic Stack Sections of sedimentary cores from off Greenland. Marine isotope stages (MIS), marine oxygen-isotope stages, or oxygen isotope stages (OIS), are alternating warm and cool periods in the Earth's paleoclimate, deduced from oxygen isotope data derived from deep sea core samples.