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Water Cycle Learning Targets: 1a & 1b
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What drives the water cycle?
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Reservoirs and Processes
Location where water is stored in the water cycle of the water cycle
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Percentage of Earth’s total water
Reservoirs Percentage of Earth’s total water Residence Time Oceans Ice Caps & Glaciers Groundwater Lakes Atmosphere Rivers Biological Water 96.5% 1.74% 1.723% .0138% .0008% .002% .0001% 3200 yrs. yrs. 1 month- 10,000 yrs. yrs. few days 2-6 months ?
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Processes Liquid water turns into a gas
Water on the ground seeps down through the pore space because of gravity Plants (and other organisms) pull water out of the ground Water falls out of the sky Gaseous water turns into liquid Gaseous water turns into a solid Liquid water being pulled by gravity downhill over Earth’s surface Water, in soil or living things,changing from a liquid to a gas Solid water turning into a liquid Solid water turning into a gas Evaporation Infiltration Uptake Precipitation Condensation Deposition Runoff Transpiration Melting Sublimation
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Sun (heat) or Gravity
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How does the water cycle move heat around the Earth?
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In what ways is the water cycle impacted by human activity?
Irrigation Wells Dams Pollution Deforestation Urbanization Population Growth
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