11-1 Water Resources
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A. The Water Cycle
• 1. Water is a renewable resource.• Why?.......
A. The Water Cycle
• 2. Water is circulated through the water cycle.
A. The Water Cycle
B. Global Water Distribution
• 1. If the earth is 71% water, why is it a limited resource?
B. Global Water Distribution
• 2. Statistics– 97% is salt water in oceans– 3% is fresh water (mostly frozen in glaciers/ice
caps)
Why is it bad to drink salt water?
C. Surface Water
• 1. is fresh water on earths land surface.
C. Surface Water
• 2. As water collects they form streams, which then connect to form rivers as river systems.
C. Surface Water
• 3. An area of land that is drained by a river is called a watershed.
D. Groundwater
• 1. is water found below the earths surface in the spaces in sediment and rock formations.
D. Groundwater
• 2. Aquifers are underground formations that contain groundwater.
D. Groundwater
• 3. Some rocks allow for groundwater to pass through dues to porosity (pores) or permeability (allow some materials through).