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Ch 23 1 where is fresh water found
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Ch 23 1 where is fresh water found

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  • 1. Where is Fresh Water Found? 23.1 b Fresh Water
  • 2. Fresh Water
    • Fresh Water is relatively free of Minerals and Salts
    • Fresh water is found in place such as:
    • Atmosphere
    • Streams
    • Lakes & Rivers
    • Ground water (most)
    • Glaciers (most)
  • 3. Atmosphere
    • Water is in the form of Water Vapor
    • Gets there by evaporation
      • Mostly the ocean
    • Length of time = few hours or few days
  • 4. Streams & Rivers
    • Carry less water than in the atmosphere
    • Water shapes the land because of volume
    • Stream = any channel of flowing water
    • Runoff = any water that flows in Streams
    • Smaller steams = Tributaries
  • 5. Ponds & Lakes
    • A depression in the land
    • Ponds are smaller and shallower than lakes
    • Both drain into streams
  • 6. Ground water
    • ¼ of all the water in the world
    • Water table top of a saturated zone = spongy ground that holds water.
    • Aquifer = Rock layer that is permeable to water
    sandstone aquifer
  • 7. Glaciers & Icebergs
    • Glaciers formed when there is more snow fall than melts each year.
    • The snow builds up & presses the layers.
    • Flow down hill when big & heavy enough
    • Iceberg is a broken part of Glacier