These modes have obviously oscillations in temporal domain, in which the foreshore mode has mainly quasi period about 4 days, while the quasi period for the beach berm mode is 2 8 days.
空间模式在时域上具有一定的振荡周期。其中，前滨模式以4天的准周期变化为主，滩肩模式则有2 8天的准周期性变化。
The results showed that the beach profiles belonged to the type of storm profile during storms and of berm profile during other seasons.
结果表明，风暴潮影响后沙滩剖面呈风暴型剖面，而常浪季节均表现为滩肩型复式剖面。
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