G100: Earth Revealed

Start by entering your name and the episode. Then, based upon the video, respond to the following topics. When you are happy with your answers, select "Submit Assignment" to send the file to me.

 

Please include the Course, Episode number, and your name in the Subject of your email (G100: Ep. X - Last Name).

 

 

Episode 24: Waves, Beaches and Coasts

 

The questions for those who want to copy into Word:

1. Describe wave motion in detail. Where do waves get their energy, and what is moving as they travel through the open ocean?

2. What is wave base, and how is it related to wavelength?

3. What is refraction and how does it work to even out an irregular coastline?

4. What is the longshore current and how does it move sand along the shoreline? Coupled with dams on rivers, what is happening to the volume of sand on the beaches? What can be done to fix this?

5. What may happen to beachfront properties if climate change continues to warm the planet? What can we do to help limit the potential for catastrophe in places like Miami and Venice?

 

 

For those using the "fill-in-the-form" method:

 

 

Your Name

 

Episode

 

Describe wave motion in detail. Where do waves get their energy, and what is moving as they travel through the open ocean?

 

What is wave base, and how is it related to wavelength?

 

What is refraction and how does it work to even out an irregular coastline?

 

What is the longshore current and how does it move sand along the shoreline? Coupled with dams on rivers, what is happening to the volume of sand on the beaches? What can be done to fix this?

 

What may happen to beachfront properties if climate change continues to warm the planet? What can we do to help limit the potential for catastrophe in places like Miami and Venice?

 

 

 

You are GeoManiac number since April 1, 1997