罗源湾的现代沉积

Recent Sediment of the Luoyuan Bay

罗源湾的沉积物主要有两个不同的来源。数量很少分布面积仅占海湾总面积2.6％的贝壳、砂和粗粉砂来源于海岸侵蚀和海湾周围陆地河流在洪水时带来的;小于6 φ的细颗粒,特别是含量超过60％的小于8 φ的粘土却分布在海湾面积的 89％,细颗粒沉积物在潮流的作用下以悬浮状态来自湾口外。

There are tow different sources of sediment in the Louyuan Bay; The shell, gravel, sand and coarse silt come from land of around the Bay by the stream and erosion of coastline are little. It's distribution of area only 2.6% of the Bay; Less than 6 φ of the fine grain size sediment,especial the content of 60% in sediment less than 8φ (clay) distribution of area 89% in the Bay.They are suspended came from outer of the Bay mouth under action by the tidal current.