from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Occurring between glacial epochs.
- n. A comparatively short period of warmth during an overall period of glaciation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Occurring between ice ages.
- n. The relatively warm period between ice ages.
from The Century Dictionary and Cyclopedia
- In geology, formed or occurring between two periods of glacial action: as, interglacial beds; an interglacial period.
It is of further interest to note that, had a hypothetical homothere population become isolated in interglacial Britain, it may only have lasted for about 1000 years before become extinct due to inbreeding.
During glacial periods and the short-term interglacial wet cycles in the late Pleistocene 10,000-20,000 years ago or later, Tulare Lake overflowed, and the resultant connections between the San Joaquin and Kern Rivers provided opportunities for trout to gain access to the Kern.
Analysis of fossilised coral reefs off the Gulf of Mexico found many died during this time -- known to climatologists as an "interglacial" -- and were replaced by new reefs on higher ground.
This concern developed a scientific gloss in recent decades, and it has been established that we are currently in an 'interglacial' - or warm - period between ice ages.
Over the past million years, it has been as warm as this or warmer for less than 10% of the time, during 11 brief episodes known as interglacial periods.
This has now been going on for 15,000 to 18,000 years, a life-friendly period known as an interglacial cycle.
A loss of genetic variation could also have resulted from the shift in climate as Earth entered the so-called interglacial period, a boon for many animals, but not for the giant tuskers, the study said.
These warm periods, called interglacial periods, appear to last approximately 15,000 to 20,000 years before regressing back to a cold ice age climate.
After all, Ice Ages were common in Earth's history; if anything, the warm "interglacial" period in which human civilization evolved, and still exists, is the exception.
Every 100,000 years, for the last half-million years, we have a brief warm period called an "interglacial"