Coastal geologic environment of China is characterized by strong tectonic activities, huge silt dischargeintosea, frequent surges, and prominent artificial environmental features.
我国海岸带地质环境,具有构造活动性强、入海泥沙大、多风暴潮、人工环境非常突出等特征。
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Man made reservoirs and sand excavation in some rivers reduce silt dischargeintosea, these human activities are vital factors that cause coast erosion hazard in Qinhuangdao region recently.