The water cycle
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The water cycle

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The water cycle Presentation Transcript

  • 1. Reporter: Fatima Ellaine M. Sisracon
  • 2.  Also known as the hydrologic cycle or H2O Cycle.  Describes the movement of water on, above and below the surface of the Earth.
  • 3.  Evaporation  Condensation  Precipitation  Transpiration  Sublimation  Deposition  Infiltration
  • 4. The physical state of water is changed from liquid to gas.
  • 5. A process by which a water vapor changes its physical state from gas to liquid.
  • 6. Precipitation is the process that occurs when any and all forms of water particles fall from the atmosphere and reach the ground.
  • 7. Water inside of plants is transferred from the plant to the atmosphere as water vapor .
  • 8. The state change directly from solid water (snow or ice) to water vapor.
  • 9. Changing of water vapor directly to ice.
  • 10. The physical process involving movement of water through the boundary area where the atmosphere interfaces with the soil.
  • 11.  Interception  Percolation  Snowmelt  Advection  Runoff  Storage
  • 12. The process of interrupting the movement of water in the chain of transportation procedures leading to streams.
  • 13. The movement of water though the soil, and it's layers, by gravity and capillary forces.
  • 14. The runoff produced by melting snow.
  • 15. The movement of water vapor through the atmosphere.
  • 16. The flow of water from a drainage basin or watershed that appears in surface streams.
  • 17. Water is stored in the atmosphere; water is stored on the surface of the earth, and water stored in the ground.
  • 18. Groundwater can spend over 10,000 years beneath the Earth’s surface before leaving.
  • 19.  Old groundwater is called fossil water.  The residence time in the atmosphere is about 9 days before falling to the Earth as precipitation.
  • 20. Antarctica and Greenland store ice for very long periods. Ice from Antarctica has been reliably dated to 800,000 years before present, though the average residence time is shorter.
  • 21.  Conservation of Mass - considers the amount of water.  IsotopicTechniques - dating groundwater.
  • 22. Much more water is “in storage” compared to the amount of water involved in the cycle.
  • 23.  Agriculture  Industry  Alteration of the chemical composition of the atmosphere  Construction of dams  Deforestation and Forestation  Removal of groundwater from wells  Water abstraction from rivers  Urbanization
  • 24. The water cycle is dependent on solar energy. Eighty-six (86) percent of the global evaporation occurs from oceans. They help lower the temperature by evaporative cooling.
  • 25. Water cycle is a biogeochemical process. Chemicals may be included in water cycle whether wanted or unwanted.
  • 26. Ancient theories and beliefs about the origin of water.
  • 27. Land mass floated on bodies of water. e.g. Biblical Books of Moses, Works of Homer
  • 28. Greek scholars speculated that much of the water in rivers can be attributed to rain. e.g. Anaximander, Xenophanes of Colophon, Chi NiTzu, Lu Shih Ch’un Ch’iu, Anaxagoras of Clazomenae, Diogenes of Apollonia, Plato, Aristotle
  • 29. Rainfall alone is sufficient for the maintenance of Rivers, as mentioned by Bernard Palissy and a study attributed to Pierre Perrault.
  • 30. Thank you for your participation.