glaciation

/,glæsi'eiʃn/

Thân thiện

The landscape shows clear signs of past glaciation.

Definition

1. Noun:
   • The process of covering the earth with glaciers or masses of ice: This refers to the geological process where large areas of land are covered by ice sheets or glaciers, often over long periods.
   • The condition of being covered with glaciers or masses of ice: This describes the state or result of the glacial process, including the landscape features created by it.

Examples of Usage

• Noun:
  • The last major glaciation ended about 11,700 years ago.
  • Scientists study rock formations to understand the history of glaciation in the region.
  • Agassiz recognized marks of glaciation all over northern Europe.

Advanced Usage

• "Pleistocene glaciation": Refers to the series of glacial and interglacial periods during the Pleistocene epoch.
  • The Great Lakes were formed by Pleistocene glaciation.
• "Evidence of glaciation": Physical signs, such as striations, moraines, or U-shaped valleys, left behind by glacial activity.
  • The smooth, polished bedrock is clear evidence of glaciation.

Variants and Related Words

• Glacial (adj): Relating to, resulting from, or characteristic of glaciers or ice ages.
  • The valley has a distinct glacial shape.
• Glaciate (verb): To cover with ice or glaciers; to subject to glacial action.
  • The cold climate began to glaciate the northern continents.
• Glacier (noun): A large, persistent body of dense ice that is constantly moving under its own weight.
  • The glacier carved a deep fjord.

Synonyms

• Ice age: A long period of reduction in Earth's temperature, resulting in the expansion of continental and polar ice sheets.
• Glacial period: A colder period within an ice age marked by glacier advances.

Related Phrases

• "Cycle of glaciation": The repeated pattern of glacial advance and retreat over geological time.
  • The cycle of glaciation is influenced by changes in Earth's orbit.
• "Effects of glaciation": The consequences of glacial activity, such as soil deposition, lake formation, and altered topography.
  • The effects of glaciation are visible across the Canadian Shield.

Học thuật

Noun

1. the process of covering the earth with glaciers or masses of ice
2. the condition of being covered with glaciers or masses of ice; the result of glacial action
   • Agassiz recognized marks of glaciation all over northern Europe