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Hydrological cycle UPSC | Climatology| Physical Geography

 Our earth is like Terrarium, the total volume of water does not change over time. Only the form and location of water change.

Water continues to change its form from liquids, gas, and solid; and it circulates between the ocean, atmosphere, and land is known as the hydrological cycle.

hydrological cycle

Water vapor is formed by evaporation, transpiration, perspiration, and sublimation.
Again water and ice are formed in form of dew, fog, frost, and cloud, from water vapor by the condensation process.
Precipitation happens in the form of rains, Hail, Sleet, Blizzard, and snowfall.

Water travels from one location to others via Surface runoff from the river to oceans.

Try to solve the following questions:

  • What is the hydrological cycle? How do different components of this cycle function in tandem?  ( 25 Marks, 66th BPSC geography Optional Paper) 
  • Explain the role of evaporation in the hydrologic cycle. ( UPSC 2018, 150 words, 10 marks)

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