Water
Every Drop Counts!
Earth’s Water Supply
2 Groups of Fresh Water
1.) Surface (above ground)
2.) Ground (below the ground
surface)
Surface Water
•
•
•
•
•
•
Lakes
Ponds
Rivers
Streams/Creeks
Wetlands (marshes, bogs, swamps, sloughs)
Reservoirs
2. Ground Water
• Located beneath the Earth’s surface in spaces
between soil and rocks
• Aquifer – underground layer of rock this is
saturated with water down to the impermeable
rock layer
• Water Table – Top of saturated layer, rises and
falls depending on amount of recharge (adding
water) and discharge (water removal)
Where is Ground Water Stored?
Water is a Renewable Resource
Terms to Know and Relate:
•
•
•
•
•
•
•
•
•
Precipitation
Condensation
Evaporation
Transpiration
Sublimation
Surface Runoff
Infiltration
Percolation
Aquifer
•
•
•
•
•
•
•
•
•
•
•
•
Water storage in atmosphere
Condensation * Evaporation(2) * Spring
*Freshwater Storage
Water storage in oceans
Surface runoff
Snowmelt runoff to streams
Transpiration (2)
Sublimation
Precipitation
Infiltration
Ground water Discharge
Water Storage in Ice and Snow