Warm interglacial periods
generally last about 10,000 years, and the one we are living in already is almost 12,000 years old.
2006: Disjunct distributions during glacial and interglacial periods
in mountain butterfies: Erebia epiphron as an example.
Geographers from the universities of Edinburgh and Northumbria have recently published a paper in Nature Communications (doi: 10.1038/ ncomms10325) in which they provide a new insight into West Antarctica during interglacial periods
. They outline field evidence to show that the minimal configuration of the West Antarctic Ice Sheet in a warmer world involved regional ice sheets ~500 kilometres across that survived on three mountain blocks in West Antarctica, with marine seaways in between.
Although the possibility of other hominins traversing Arabia and occupying the site of discovery during the interglacial period
cannot be completely ruled out, it becomes more than a coincidence that they and modern humans in east Africa used nearly identical tools.
The most distinctive features of the Quaternary have been repeated continental-scale glaciations alternating with warm interglacial periods
. Investigations of a great number of Quaternary scientists have been aimed to reconstruct and interpret changes in geological processes and climate through this time.
280) that he believes are vital to our future: (1) the current unusually stable interglacial period
, (2) our great soil bank of nutrients, (3) our great energy bank of fossil fuels, (4) the enormous growth of human knowledge, and (5) the tremendous extension of medical knowledge and public health management.
Unit 1 results correspond to the end of the Last Interglacial period
. Younger ages, up to OIS 4, which correspond to the samples from the beach at Razo, might reflect rejuvenation due to recurrent post-burial weathering, because they were located at the mouth of quite an important drainage channel.
Because of a rapid warming trend over 30 years, the study concludes Earth is now reaching and passing through the warmest temperatures in the current interglacial period
, which has lasted nearly 12,000 years.
One idea: Since the animals had become so adapted (adjusted) to a chilly climate, their bodies were no longer able to cope with the heat of an interglacial period
The longest interglacial period
in history, which began about that time, lasted about 28,000 years and strongly resembles the current stage.
At the moment the world is experiencing an interglacial period
that has already lasted 12,000 years, twice as long as average for warm spells between ice ages.
GRIP Project Members, 1993, Climate instability during the last interglacial period
recorded in the GRIP ice core: Nature, v.