Tuesday, 25 October 2011

7.1


Breakwaters - Are man made structures made to protect a beach from the full impact of waves.

Silting - Is when sediment is carried by a river down stream where it can eventually clog the      river.

Tidal Flushing - Tidal Flushing is when a swamp is filled with seawater and during low tide the water flushes away taking away loose dirt and anything on the sea bed.  

Sea Change - When people move from either rural or urban environments to the oceans. 

Urban Stormwater - Is when the stormwater drains from an urban environment connect to the ocean through piping and empty into the sea.  

Dredging - The clearing of sediments from the bottom of a body of water.  

Introduced plants - A plant species that is not originally from the area.

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