CSIR (Council of Scientific & Industrial Research) Earth Sciences Environmental Earth Sciences-Hydrological Cycle Study Material (Page 1 of 31)

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Hydrology: Its History and Branches; Hydrology, Importance of Water for Life and Environment, Historical Concept of Water and Human Settlement, History of Water Use and Consumption

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Hydrology

  • The science of hydrology is closely linked to the development of human society.
  • As various cities and countries have expanded with industries and allied activities and growing populations, the demand for water supply has arisen which results in extensive studies and experiments in hydraulics and hydrology since the 17th century.
  • The science of hydrology is the result of the efforts of early scientists, geologists, mathematicians and engineers.
  • The domain of hydrology embraces the entire history of water life on eart…

… (490 more words, 43 figures) …

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Hydrological Cycle; Introduction, Hydrologic Cycle, Components of Hydrologic Cycle

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Introduction

  • The Earth is called the water planet because it is the only planet in the solar system that has a massive volume of water.
  • Life emerged on the planet only from the water mass.
  • Water is present in the atmosphere, the lithosphere, the hydrosphere and the biosphere. The hydrosphere, the sphere of water is a discontinuous layer of both fresh water and saline water.
  • The water mass is always in a continuous circulation among all these segments which is commonly referred to as the hydrological cycle or the World՚s Great Water Cycle.
  • It is the guiding force behin…

… (1405 more words, 121 figures) …

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