Map of earth during ice age. An ice age is a time where a significant amount of the earths water is locked up on land in continental glaciers. An ice age is a long period of reduction in the temperature of the earths surface and atmosphere resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. The relatively pleasant global climate of the past 10000 years is largely thanks to higher levels of atmospheric carbon dioxide. 1o thousand years ago present day.
When the earth is in its ice house climate mode there is ice at the poles. It has been conventionally defined as a period extending from the 16th to the 19th centuries but some experts prefer an. The little ice age lia was a period of cooling that occurred after the medieval warm period. It is included here for non profit archival and research purposes only.
The earth has been in an ice house climate for the last 30 million years. During the last ice age which finished about 12000 years ago enormous ice. The low sea levels due to glaciation created land bridges for land migration of the neanderthals. Temperatures on earth continued to plummet during the beginning of the holocene epoch.
During the ice age of 340000 330000 years ago the geminga supernova explosion irradiated earth and the neanderthals appeared. The image of the piri reis map was scanned from the frontpiece of a first edition of hapgoods maps of the ancient sea kings. Diatomite and diatomaceous earth are sedimentary rock products that are used for filter media absorbents fillers abrasives and many other purposes. Although it was not a true ice age the term was introduced into scientific literature by francois e.