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Geography Optional 300+ Score Pack · Model answer

Describe the causes and consequences of sea level changes.

  • UPSC 2018
  • Oceanography

Sea level change refers to fluctuation in the mean sea level (MSL) — the long-term average height of the ocean surface — and can be either eustatic (a genuinely global change in ocean-water volume or ocean-basin capacity) or relative/local (a change in the position of land itself, through tectonic or isostatic movement).

You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.

What the full answer covers

  • Causes of Sea Level Change
  • Eustatic Causes — Changes in Ocean Water Volume
  • Tectonic and Isostatic Causes — Changes in Land Level
  • Short-Term and Local Causes
  • Consequences of Sea Level Change
  • Geomorphic and Coastal Consequences
  • …and 2 more sections, with a conclusion

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