← All questionsGS3 · 2022 · Environment ·Coastal Erosion in India
QUESTION 18
GS3
15 marks

Explain the causes and effects of coastal erosion in India. What are the available coastal management techniques for combating the hazard?

WRITE IN
11 min
250 words

What the examiner wants

Explain the causes and effects of coastal erosion in India and the techniques available to manage it.

ExplainMake clear how and why it happens: causes, process, and an example for each point.

Demand-wise check

  1. 1Causes: waves and currents, sea-level rise, storms, sand mining, ports and breakwaters, dams cutting sediment, mangrove loss≈65 words
  2. 2Effects: land and livelihood loss, damage to infrastructure≈65 words
  3. 3Techniques: hard (seawalls, groynes), soft (beach nourishment, dunes, mangroves), managed retreat, shoreline management plans≈65 words

Open in about 30 words and close in about 30.

Answer plan

CausesEffectsTechniquesConclusion

Where marks usually go

  • Ignoring human causes
  • Only hard engineering

Draw this

  • Diagram of groynes and beach nourishment

Value addition

  • DataAbout a third of India's coastline faced some erosion between 1990 and 2018.National Centre for Coastal Research, MoES
  • ExampleKerala's Chellanam and Odisha's Satabhaya villages face severe coastal erosion.State government reports

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