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河口海岸地处海陆交界,自然因素复杂,人类活动频繁,许多沿海国家的农业基地、港口城市、自然资源、国防设施、旅游胜地等都集中分布在这个地区。由于国民经济和国防建设的需要,在资源开发利用、工程规划设计和施工以及环境监测等方面都要求有关部门及时提供河口海岸水动力条件、近岸带泥沙运动,岸滩地形及其冲淤变化等资料,多年来这些资料的取得一般采用台站定点观测,利用船舶进行水文测验和回声测深,布置现场查勘测量与
The estuarine coast is located at the junction of sea and land. Due to its complex natural factors and frequent human activities, many coastal countries have concentrated agricultural bases, port cities, natural resources, national defense facilities and tourist attractions in the region. Due to the needs of the national economy and national defense construction, relevant departments are required to provide the estuarine coastal hydrodynamic conditions, the nearshore sediment movement, the beach topography and its siltation and siltation in terms of resource development and utilization, project planning, design and construction, and environmental monitoring. Changes and other information, the acquisition of these data over the years generally using station fixed-point observations, the use of hydrological hydrological tests and echo sounding, the deployment of on-site survey and measurement