Ice Age
E923883
Ice Age is a prehistoric period of extensive global glaciation and cold climate that profoundly shaped Earth’s landscapes, ecosystems, and the evolution of life.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ice Age canonical | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
climatic phenomenon
ⓘ
geological period ⓘ glaciation event ⓘ |
| affects |
Earth climate system
ⓘ
continental ice sheets ⓘ ecosystems ⓘ evolution of life ⓘ global sea level ⓘ |
| causes |
changes in species distributions
ⓘ
expansion of polar ice caps ⓘ extinctions of some species ⓘ formation of glacial landforms ⓘ growth of continental glaciers ⓘ lower global temperatures ⓘ lower sea levels ⓘ |
| characterizedBy |
cold global climate
ⓘ
extensive ice sheets ⓘ large climatic fluctuations ⓘ major changes in precipitation patterns ⓘ repeated glacial advances and retreats ⓘ |
| hasDefinition | a prehistoric period of extensive global glaciation and cold climate ⓘ |
| hasExample |
Cryogenian glaciations
NERFINISHED
ⓘ
Late Paleozoic Ice Age NERFINISHED ⓘ Pleistocene Ice Age NERFINISHED ⓘ Snowball Earth events ⓘ |
| impacts |
evolutionary pressures on organisms
ⓘ
habitat availability ⓘ marine biodiversity ⓘ species migration routes ⓘ terrestrial biodiversity ⓘ |
| includesProcess |
deglaciation
ⓘ
glacial cycles ⓘ glaciation ⓘ interglacial periods ⓘ |
| influencedBy |
Milankovitch cycles
NERFINISHED
ⓘ
continental positions ⓘ greenhouse gas concentrations ⓘ ocean circulation patterns ⓘ orbital variations ⓘ solar radiation changes ⓘ |
| occursOn | Earth NERFINISHED ⓘ |
| resultsIn |
U-shaped valleys
ⓘ
drumlins ⓘ eskers ⓘ fjords ⓘ moraines ⓘ outwash plains ⓘ |
| timeScale |
millions of years for some ice ages
ⓘ
tens to hundreds of thousands of years for individual glacial cycles ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.