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Sigma KEE - LittoralCurrent
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沿岸流动
LittoralCurrent is the subclass of WaterCurrents that occur near a ShoreArea. Examples include TidalEbb, TidalFlow, and RipCurrents.
Relationships      
Parents 水流 WaterCurrent is a subclass of FlowRegions consisting of moving water, especially those currents found within a well-identified area and having an established pattern of movement, such as an OceanCurrent, a RipTide, or a River. WaterCurrent is disjoint with StaticWaterArea. As a consequence, Lakes for example cannot be FlowRegions, however, currents may be present in a lake.
Children 离岸流A RipCurrent is a fast narrow surface current that flows seaward from a ShoreArea.
 潮汐A TidalBore is an unusally high, fast tidal inflow from the sea, resulting from a high volume of water rushing from a wide-mouthed bay or Estuary into narrower landward areas.
 潮汐起伏TidalEbb is the subclass of WaterCurrents that are temporary and variable, but regular, currents of ocean water flowing seaward up to and during the time of low tide. Alternating with TidalFlow.
 潮汐流TidalFlow is the subclass of WaterCurrents that are temporary and variable, but regular, currents of ocean water flowing landward up to and during the time of high tide. Alternating with TidalEbb.


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