1. Drainage patterns

2. Dendritic
Trellis
Rectangular
Radial
Annular
Deranged
braided

3. dendritic

5. Trellis

7. radial

9. rectangular

11. Annular
Mauritania. Salt?

12. N. Quebec Manicouagan Lake

13. deranged

14. Canadian shield
Minnesota/Michigan glaciated areas

15. Karst topography
Disappearing/reappearing streams
Limestone regions.

16. Braided streams

17. Next up, Groundwater Water stored in soils or rocks.
Soils – vadose and saturated zones.
But wait, aren’t rocks solid?
Nope. Pore spaces, fractures, caves, all sorts of stuff.
Discuss porosity, permeability, and sorts of rocks which have fractures, caves, etc.

18. Aquifer!
Rock layer with enough water that moves fast enough for humans to pump/use.
High porosity/permeability

19. Aquifers and aquicludes

20. Terms to know
Aquifer, aquiclude, confined aquifer, artesian well, permeability, porosity, cone of depression.

21. Not a cone of depression

24. Connecting streams and groundwater

25. Issues with coastal aquifers

26. overpumping

28. What about fracking?

29. So?
Contamination of aquifers
Drilling fluid itself
methane

33. And, of course, earthquakes
induced-earthquakes-highlighted-new-usgs-map

37. Today’s oil price: http://www.nasdaq.com/markets/crude-oil.aspx
Cost to produce: cost-to-produce-a-barrel-of-oil/index.html?iid=EL