shelf ice

Thân thiện

A large shelf ice formation extends from a rocky coastline into the calm, blue sea.

Definition

Noun: * Shelf Ice: A type of ice that is physically connected to and extends from a coastline or landmass, projecting outward over a body of sea water. It is typically a floating extension of a land-based glacier or ice sheet.

Usage

• Shelf Ice is a specific geological term used in glaciology and physical geography. It describes a permanent or semi-permanent ice formation.
• It is often discussed in the context of polar regions, climate science, and coastal dynamics.

Examples

• The massive shelf ice along the Antarctic coast is a critical feature of the continent's geography.
• Scientists are monitoring the stability of the shelf ice to understand the impacts of climate change.
• The calving of a large iceberg from the shelf ice was captured by satellite imagery.

Advanced Usage

• "Shelf ice front": The seaward-facing edge or cliff of the shelf ice.
  • Penguins often gather near the shelf ice front before diving into the water to hunt.
• "Shelf ice collapse/breakup": The process where large sections of shelf ice disintegrate.
  • The rapid shelf ice breakup has raised concerns among researchers.

Variants and Related Words

• Ice Shelf (n): This is a more common and synonymous term for "shelf ice." The two terms are often used interchangeably, though "ice shelf" is more prevalent in modern scientific literature.
  • The Ross Ice Shelf is the largest ice shelf in Antarctica.
• Glacier (n): A large, persistent body of ice on land that flows slowly. Shelf ice is often the floating terminus of a glacier.
• Sea Ice (n): Ice that forms from the freezing of seawater. This is distinct from shelf ice, which originates from land.

Synonyms

• Ice shelf
• Floating ice tongue (when referring to a narrower projection)
• Barrier ice (an older, less specific term)

Related Phrases

• "Calving from shelf ice": The process where icebergs break off from the edge of the shelf ice.
  • The event of calving from shelf ice can produce icebergs the size of cities.

Học thuật

Noun

1. ice that is attached to land but projects out to sea

Từ đồng nghĩa

• ice shelf