4. Relative volume of the ocean and Earth.

5. Where is Earth’s water?

9. World Distribution of Water
Ocean %
Glaciers & other Ice 2.16%
Groundwater %
Lakes – freshwater %
Lakes – saline %
Soil Moisture %
Atmosphere %
Rivers %

11. How does population growth affect water use

25. Development of Contamination in Groundwater

27. Flowing or Artesian Well Development

29. Porosity: The percent of a material’s volume that is pore space.
                                                                   
Porosity: The percent of a material’s volume that is pore space.

31. The Water Table
Water table: the surface separating the vadose zone from the saturated zone.
Measured using water level in well
Fig. 11.1