Case study 27: Coastal erosion in Pacifica, USA Flashcards
Why is Pacifica being eroded?
During winter, waves approach from the south-west due to the prevailing southwesterly winds that blow over an enormous fetch.
What problems did coastal erosion cause in Pacifica?
January 2010: 2 apartments were evacuated.
April 2010: 3 meter section of the cliff was undermined so people living there had been force to abandon their homes.
December 2010: 1/3 of an apartment building was hanging. 7 meters had been eroded in 1 year.
How has the coastal erosion been managed?
Large boulders placed a its base to break the energy of the waves.
Engineers had tried to strengthen the cliff by reinforcing it.
An owner of apartments has suggested building a sea wall.
PSD for Coastal erosion in Pacifica, San Francisco?
Pacifica is a settlement situated on the south of San Francisco, USA.
It is situated on top of the sandstone cliff, 27 meters above the Pacific Ocean.
