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5.1 Our Water 5.1 Our Water ResourcesResources
Mrs. TrimbleMrs. Trimble
Mrs. PerrymanMrs. Perryman
Mrs. RothMrs. Roth
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US Water UsageUS Water Usage
Agriculture 41%Agriculture 41% Electric generation/cooling 38%Electric generation/cooling 38% Industry 11%Industry 11% Public tap water 10%Public tap water 10%
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Chicago Metropolitan Area Chicago Metropolitan Area Water sourcesWater sources
Lake Michigan 77%Lake Michigan 77% Ground Water 19%Ground Water 19% Inland Surface Water ( Fox and Inland Surface Water ( Fox and
Kankakee Rivers) 4%Kankakee Rivers) 4%
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Earth’s Water DistributionEarth’s Water Distribution
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Surface WaterSurface Water
Freshwater that is Freshwater that is above groundabove ground
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WatershedWatershed
Watershed- the Watershed- the entire land area entire land area that is drained by a that is drained by a riverriver
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Rivers of ControversyRivers of Controversy
California and Arizona have been California and Arizona have been fighting over the Colorado Rivers for a fighting over the Colorado Rivers for a long time. long time.
40% of the world’s people rely on water 40% of the world’s people rely on water that originates in another country. that originates in another country. Upstream- downstream water rightsUpstream- downstream water rights
Turkey has been building a series of Turkey has been building a series of dams that greatly reduce the amount dams that greatly reduce the amount of water that drains into Syria and Iraqof water that drains into Syria and Iraq
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DamsDams
A structure built across a river or stream that A structure built across a river or stream that restricts water flow.restricts water flow.
Sometimes this is done to collect water in one Sometimes this is done to collect water in one area (create a reservoir) and sometimes this is area (create a reservoir) and sometimes this is done to generate electricitydone to generate electricity
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GroundwaterGroundwater
Groundwater is Groundwater is water that seeps water that seeps undergroundunderground
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Other Groundwater termsOther Groundwater terms
Aquifer- large amounts of Aquifer- large amounts of groundwater trapped between layers groundwater trapped between layers of rock.of rock.
Recharge Zone- area of land from Recharge Zone- area of land from which the groundwater originateswhich the groundwater originates
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Solutions for water shortageSolutions for water shortage
Towing WaterTowing Water Water ConservationWater Conservation Desalinization- removal of salt from Desalinization- removal of salt from
ocean water in an effort to create ocean water in an effort to create freshwaterfreshwater– Distillation (heat is used to force Distillation (heat is used to force
evaporation)evaporation)– Reverse Osmosis (pressure is used to push Reverse Osmosis (pressure is used to push
the water through a semi-permeable the water through a semi-permeable membrane)membrane)
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Water ConservationWater Conservation
Low-flow TechnologyLow-flow Technology Permeable Concrete/ allow for Permeable Concrete/ allow for
groundwater to be rechargedgroundwater to be recharged Shorter showers/ avoid bathsShorter showers/ avoid baths Don’t allow water to run/ fill up the Don’t allow water to run/ fill up the
sink when washing dishes or your facesink when washing dishes or your face Don’t water your lawn or install Don’t water your lawn or install
landscaping that requires little waterlandscaping that requires little water