1. Chapter 9 – Part 2
Water Resources

2. Groundwater Label your diagrams
Aquifers- small spaces found within permeable layers of rock and sediment where water is found.
Unconfined aquifers- an aquifer that is simply porous rock covered by soil.
Confined aquifers- an aquifer surrounded by a layer of impermeable rock or clay.
Label your diagrams

3. Porosity
the percentage of a rock or sediment that consists of open spaces
…like skin “pores”
p.397

4. Permeability Percolation
the ability of a rock or sediment to let fluids pass through its open spaces, or pores
the process of a liquid (water) seeping into the ground
– like a percolating
coffee maker:
p.398

5. Groundwater
Water table- the uppermost level at which the water in an area fully saturates the rock or soil.
Recharge- the input process of water percolating into an aquifer.
Springs- water from an aquifer that naturally percolates up to the surface.

6. Groundwater Label your diagrams
Cone of depression- an area where there is no longer any groundwater.
Label your diagrams

7. Groundwater Label your diagrams
Saltwater intrusion- when the pumping of fresh water out of a well is faster than the recharge. Near coastal areas this can cause salt water to infiltrate the aquifer.
Label your diagrams

9. March 22 Every Year!