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Climatically, the Holocene may be divided evenly into the Hypsithermal and Neoglacial periods; the boundary coincides with the start of the Bronze Age in Europe.According to some scholars, a third division, the Anthropocene, has now begun.The Subcommission on Quaternary Stratigraphy quotes Gibbard and van Kolfschoten in Gradstein Ogg and Smith in stating the term 'Recent' as an alternative to Holocene is invalid and should not be used and also observe that the term Flandrian, derived from marine transgression sediments on the Flanders coast of Belgium has been used as a synonym for Holocene by authors who consider the last 10 000 years should have the same stage-status as previous interglacial events and thus be included in the Pleistocene.The International Commission on Stratigraphy however considers the Holocene an epoch following the Pleistocene and specifically the last glacial period.Local names for the last glacial period include the Wisconsinan in North America, The Blytt–Sernander classification of climatic periods initially defined by plant remains in peat mosses, is currently being explored.Geologists working in different regions are studying sea levels, peat bogs and ice core samples by a variety of methods, with a view toward further verifying and refining the Blytt–Sernander sequence.The Holocene climatic optimum (HCO) was a period of warming in which the global climate became warmer.
Human impacts on modern-era Earth and its ecosystems may be considered of global significance for future evolution of living species, including approximately synchronous lithospheric evidence, or more recently atmospheric evidence of human impacts.The International Commission on Stratigraphy Subcommission on Quaternary Stratigraphy’s working group on the 'Anthropocene' (coined by Paul Crutzen and Eugene Stoermer in 2000) note this term is used to denote the present time interval in which many geologically significant conditions and processes have been profoundly altered by human activities.The 'Anthropocene' is not a formally defined geological unit.During the transition from the last glacial to the Holocene, the Huelmo–Mascardi Cold Reversal in the Southern Hemisphere began before the Younger Dryas, and the maximum warmth flowed south to north from 11,000 to 7,000 years ago.
It appears that this was influenced by the residual glacial ice remaining in the Northern Hemisphere until the later date.This article may be confusing or unclear to readers. Sentences are too long, and "big words" are used instead of more understandable ones.