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金塘水道位于舟山本岛西南面,甬江口的东侧(图2),是一个在一定的区域地质发育的背景上,由潮流的长期冲蚀作用而形成的潮流峡道(或称潮流深槽).这类潮流峡道在我国东南沿海的多岛屿地区,如浙江的舟山,福建的厦门等地,常常是天然优良港址所在.从1976年春开始,我们先后在金塘水道南北岸进行了两年的勘测调查,调查内容包括沿岸和水道的水文气象、地质地貌与地形交通等.1978年又进一步开展详细的
The Jintang water channel is located on the southwest of the island of Zhoushan and on the east side of the Yongjiang River (Figure 2). It is a tidal current channel formed by the long-term erosion of the tidal current on the background of a certain regional geological development Such trendy gorges are often natural and fine harbor sites in the multi-island areas along the southeastern coast of our country, such as Zhoushan in Zhejiang Province, Xiamen in Fujian Province, etc. Since the spring of 1976, we conducted successively on the north and south banks of the Jintang Channel Two years of surveys and surveys, including the hydrological meteorology, geology, topography and terrain of coastal and waterways, etc. In 1978, further detailed