Search results
Results from the WOW.Com Content Network
Throughout Earth's climate history (Paleoclimate) its climate has fluctuated between two primary states: greenhouse and icehouse Earth. [1] Both climate states last for millions of years and should not be confused with the much smaller glacial and interglacial periods, which occur as alternating phases within an icehouse period (known as an ice age) and tend to last less than one million years ...
The Cenozoic is just as much the age of savannas, the age of co-dependent flowering plants and insects, and the age of birds. [40] Grasses also played a very important role in this era, shaping the evolution of the birds and mammals that fed on them. One group that diversified significantly in the Cenozoic as well were the snakes.
The Eocene is not only known for containing the warmest period during the Cenozoic; it also marked the decline into an icehouse climate and the rapid expansion of the Antarctic ice sheet. The transition from a warming climate into a cooling climate began at around 49 Ma. Isotopes of carbon and oxygen indicate a shift to a global cooling climate ...
The major contributions from this work were: (1) the recognition that the presence of banded iron formations is consistent with such a global glacial episode, and (2) the introduction of a mechanism by which to escape from a completely ice-covered Earth—specifically, the accumulation of CO 2 from volcanic outgassing leading to an ultra ...
Thus, climate alone cannot fully account for the greater success of species of Nearctic origin during the interchange. Land areas over which ancestors of Neotropic (green) and Nearctic (red) species could wander via two-way migrations during the latter part of the Cenozoic prior to the interchange: The smaller area available for Neotropic ...
Historical climatology is the study of historical changes in climate and their effect on civilization from the emergence of homininis to the present day. It is concerned with the reconstruction of weather and climate and their effect on historical societies, including a culturally influenced history of science and perception. [1]
2. Essential tools for creating music. 3. Characteristics/qualities of a large mammal. 4. These words are related to a particular genre of music (hint: they deal with "names" that are spelled a ...
Interglacials, on the other hand, are periods of warmer climate between glacial periods. The Last Glacial Period ended about 15,000 years ago. [1] The Holocene is the current interglacial. A time with no glaciers on Earth is considered a greenhouse climate state. [2] [3] [4]