beaches movie notes.docx

beaches movie notes.docx - -dune lines are being damaged by...

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-dune lines are being damaged by beach front homes -barrier island property is booming -toxic sewage can cause environmental damage, when barrier islands are flooded South Carolina -protect shorelines---engineering is ugly, awkward access to beach, high tide no beach -hard stabilization=holdings with immovable objects groin=trap sand moving in longshore current, causes downstream erosion, causes full scale barrier migration (17ft per year), somewhat natural -seawall=brute force technology, parallel to shoreline, repels the sea -slope of the beach increases making the beach inaccessible, sea wall size then needs to increased -debris from the sea wall turn into hazards North Carolina -North Carolina has banned hard stabilization -alternative is beach replenishment -through dump truck -or dredging through pipelines from sand offshore or inland Replenishment -puts an insignificant amount of sand on beach, first storm will sweep it away -put it back into underwater shelf -rising sea levels from greenhouse effect -
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