Identifying the factors responsible for formation of tides, discuss their geographical and economic significance.

Tides are type of natural coastal phenomena that cause a regular surge and dip in ocean water levels on coasts.

Types of tides:

  • Based on diurnal frequency – Diurnal, semi diurnal and mixed.
  • Based on time interval – spring tide and neap tide.

Factors responsible:

  • Position and gravitation of moon.
  • Position and gravitation of sun.
  • Centrifugal force on earth.
  • Inertial force of water mass.

Geographic significance:

  • Indicate a storm surge.
  • Aid in determining celestial body orientations.
  • Renew coastal waters and nutrients.

Economic importance:

  • Bring distant fish for fishermen.
  • Helps in tapping tidal energy.
  • Aid desalination plants and coastal tourism.

Thus, tides have a multifarious significance.


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