0 relating to, or happening during, a period of warmer climate between two glacial (= extremely cold) periods: --
1 a period of warmer climate between two glacial (= extremely cold) periods: --
Concentrations of less than 220 ppmv would terminate the current interglacial.
Normal for the last million plus years has been the ice age regime; interglacials such as the Holocene are the exception.
Are we now coming out of an ice age, or merely within an interglacial ?
What caused the interglacial temperatures to crash during the Pleistocene?
In these various ways the interglacial intervals left records of their former existence.
Warm interglacial periods comprised less than 10 per cent of the time and on average lasted only 10,000 years.