Objectives for the topic: Coastal Processes
Reading: Chapter 14 in Tarbuck and Lutgens
Images to understand: 14.1, 7, 8, 9, 14, 16, 17, 18, 20, 24, Boxes 14.1, 3
After completing this topic, the student will be able to:
- Explain why breakers form near the shore.
- Describe longshore currents and their significance to longshore drift of sand.
- Define wave refraction and draw a sketch to illustrate the phenomenon.
- List the shoreline landforms created by deposition (AKA accretion).
- List the shoreline landforms created by erosion.
- Describe how tides work and their significance to tidal currents.
- Explain why a delta has not formed at the mouth of the Columbia River.
- Explain how the position of the shoreline can change.
- Describe the cause for worldwide changes in sea level.
- Describe how humans modify shorelines and what consequences result from those modifications.
David M. Hirsch
Modified on Mon, Jul 12, 2004 at 11:14 PM