Prelims · 3 Physical & World Geography · 3.6 Oceanography

3.6.1 Ocean floor relief: continental shelf, slope, abyssal plains, ridges and trenches

The ocean floor is not flat: moving out from the coast it steps down from the shallow continental shelf, over the steeper continental slope, to the wide deep sea plains, broken by long mid-oceanic ridges, volcanic seamounts and deep narrow trenches.

  • APPSC Group 2 · Prelims
  • Standard level
  • 8 min read
  • Full course

Key terms

  • hydrological cycle
  • continental shelf
  • continental slope
  • continental rise
  • deep sea plain
  • abyssal plain
  • oceanic deeps
  • trenches
  • mid-oceanic ridge
  • seamount
  • guyot
  • submarine canyon
  • atoll
  • Siberian shelf
  • hypsographic curve

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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