In this episode, we take on the topic of Barrier Islands.  This is a very relevant topic because recent storms have devastated some of these Islands.  The intersection between geology and humans is always an interesting topic.  
Barrier Islands need three things:

• Sand supply
• Broad sloping coastline
• Waves/tides/currents must be strong enough to move sand (high-ish energy)
  • Waves must be dominant 

In this context we discuss the 3 ways in which they form.  Each Island has it's own unique story and all 3 scenarios play a role.  

We also discuss the function of Barrier Islands in terms of protecting the mainland and also unique biological habitats.

We hope you enjoy, and as usual please send us any questions you have!

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