三、横洲外滩槽的变化近二十年来,横洲外交杯沙变化较大,往往槽滩换位,令人扑索迷离。1964年交杯河仅有一条沙脊出露水面,1977年则有两条,1984年第三条沙脊出露,而且第四条正发展中。该处外无屏障,直接受波浪冲击,影响是较大的,已露出水面的各条沙脊,形状一条比一条弯曲,显然不是 Third, changes in the landscape of the Bund Bund Nearly two decades, the cross-border diplomacy cup sand changes larger, often slot beach transposed, it puzzled. In 1964, there was only one sand ridge in the crossbow river. There were two in 1977 and the third ridge was revealed in 1984, and the fourth one is developing. There is no barrier outside, directly affected by the waves, the impact is larger, has shown the surface of the sand, the shape of a curved, obviously not