continental shelf

Thân thiện

The continental shelf slopes gently from the coastline into the deep ocean.

Definition

1. Noun:
   • The relatively shallow seabed surrounding a continent: The "continental shelf" is the gently sloping, submerged extension of a continent, beginning at the shoreline and extending seaward to a point where there is a steep drop-off. It is typically defined by water depths of up to approximately 200 meters (about 660 feet).

Examples of Usage

• Noun:
  • Oil and gas exploration often occurs on the continental shelf.
  • The country claimed exclusive fishing rights over its entire continental shelf.
  • Coral reefs are frequently found in the warm, sunlit waters of the continental shelf.

Advanced Usage

• Legal/Economic Context: In international law, a coastal state has sovereign rights over the natural resources of its continental shelf.
  • The dispute centered on the demarcation of the continental shelf between the two nations.
• Scientific Context: The shelf is a critical zone for marine productivity and biodiversity.
  • The study focused on sediment transport processes across the continental shelf.

Variants and Related Words

• Continental slope (n): The steeply sloping region that connects the outer edge of the continental shelf to the deep ocean floor.
• Continental rise (n): The gentle slope formed by sediments at the base of the continental slope.
• Shelf break (n): The point where the continental shelf ends and the continental slope begins.

Synonyms

• Shelf (in geological/oceanographic contexts).
• Continental margin (a broader term that includes the shelf, slope, and rise).

Related Phrases

• "Exploit the resources of the continental shelf": To utilize the minerals, oil, gas, or biological resources found there.
• "Extend the continental shelf": A legal process where a country submits scientific data to claim an area beyond the standard 200-nautical-mile limit.

Học thuật

Noun

1. the relatively shallow (up to 200 meters) seabed surrounding a continent