Human Interventions on the Beach

 

•          define: groin, jetty, breakwater, seawall, hard stabilization

•          for each type of hard stabilization, write a sentence or two on its effects

•          how are groins and seawalls like potato chips?

•          hard stabilization is actually illegal in NC - why might that be?

•          what is beach renourishment? (same as replenishment)

•          what is the effect of beach replenishment?

•          what is the effect of moving buildings away from the beach?

 

 

Article about issues in New Zealand

http://www.niwascience.co.nz/pubs/wa/09-2/erosion.htm

 

  • what 4 factors determine the shape of the beach?
  • how do you expect a beach to look after a hurricane?
  • describe the 3 ways humans can cope with erosion
  • which erosion-managing mechanism do you think is best?
  • hard stabilization is actually illegal in NC - why do you think that is?

 

 

Questions to Consider

 

  • Pilkey suggests that buildings can be saved only by destroying beaches - what do you think?
  • if you had to choose between beaches and buildings, which would you choose?
  • who should pay for beach renourishment?
  • who should pay for relocating beach houses?