The observation showed that the perturbations of sediment concentration in the ebb tides are much more frequency and large than the one in the food tides in both the spring and neap tides.

• 观测数据表明不论在大潮还是小潮期间 ,在落潮过程中泥沙浓度的扰动比涨潮过程中更加频繁和强烈 ,存在着高频振荡。