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Marine Processes and Associated Landforms — Revision Notes

ICSE · Class 11 · Geography

Marine Processes and Associated Landforms revision notes for ICSE Class 11 Geography: 4 topics in quick points.

65 questions35 flashcards5 concepts

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Key Topics to Revise

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1. Nature and Genesis of Sea Waves

  • Sea waves are undulations of sea water with well developed crests and troughs.
  • Crest is the upper part of the wave and trough is the lower part.
  • Wavelength is the horizontal distance between two successive crests or troughs.
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2. Work of Sea Waves

  • Sea waves are the chief agent of gradation in coastal areas.
  • The erosional work of sea waves depends on wave size and strength, seaward slope, tidal height range, rock composition, and water depth.
  • Surf waves can exert very high pressure on the shore.
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3. Erosional Landforms Formed by Sea Waves

  • A sea cliff is a scarp face of the coast facing the sea.
  • A cliff begins when waves cut a notch at sea level.
  • The notch widens, the overhanging rock is undermined, and the rock collapses to form a cliff.
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4. Depositional Landforms Formed by Sea Waves

  • Sea waves deposit the eroded material and build features of accumulation.
  • A beach is formed by deposition of sand, gravel, and pebbles between low-tide level and the coastline.
  • A beach grows when waves are less active and can be destroyed by strong waves.

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Full Notes

Key Concepts

Sea waves are undulations of seaCoast is the part of landWaves erode coasts by hydraulic actionA sea cliff is a steepSea caves form where waves erode

Frequently Asked Questions

What are the important topics in Marine Processes and Associated Landforms for ICSE Class 11 Geography?
Key topics in Marine Processes and Associated Landforms include Nature and Genesis of Sea Waves, Work of Sea Waves, Erosional Landforms Formed by Sea Waves, Depositional Landforms Formed by Sea Waves. Study these first, then practise questions on each for Class 11 exams.
How should I revise Marine Processes and Associated Landforms for Class 11 exams?
Learn the core ideas first, then work through the 65 practice questions on Marine Processes and Associated Landforms. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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