Prelims · 3 Physical & World Geography · 3.6 Oceanography

3.6.4 Salinity of oceans and seas: controlling factors and distribution

Salinity is the amount of dissolved salt in sea water; it averages about 35 parts per thousand and rises where evaporation is high and falls where rain, rivers or melting ice add fresh water.

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

Key terms

  • salinity
  • parts per thousand
  • brackish water
  • 24.7
  • halocline
  • evaporation
  • precipitation
  • Baltic Sea
  • Black Sea
  • Mediterranean
  • Red Sea
  • Dead Sea
  • Lake Van
  • Bay of Bengal
  • Arabian Sea
  • density of sea water

What this note covers

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

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