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在内陆架浅海的近岸海底,发育着一种潮流成因的线状沙体,称潮流脊。其延伸方向与潮流流向一致,呈平行排列或指状伸展,它们沟脊相间,形态奇特。潮流脊在世界上分布相当广泛,它对航运、捕捞、水下工程、军事设施以及地下水和油气田的开发利用都具有重要意义。然而长期以来,人们在进行浅海地质学的研究时,却明显地忽视了潮流的作用,所以潮流脊这种分布广泛,并具有特殊意义的浅海地貌形态尚未被人们认识和重视。对它的命名也含混不清,如所谓浅滩、沙洲、暗沙、水下沙坝、海底沙丘等等,常常是因人因地而异。 T.Off在对世界范围内线状沙体的分布作了形态和成因上的研究后,提出潮流脊
In the shallow sea near the coast of the inland shelf, there is a linear sand body that causes the tide, which is called tidal ridge. Its extension direction and the tide flow direction is consistent, was arranged in parallel or finger-like extension, they ditch ridge phase, strange shape. Tidal current ridges are widely distributed in the world and are of great significance for the development and utilization of shipping, fishing, underwater engineering, military facilities, groundwater and oil and gas fields. However, people have neglected the trend of flow in the study of shallow sea geology for a long time. Therefore, the trend ridges are widely distributed and the shallow sea topography with special significance has not been recognized and valued by people. Its name is also vague, such as the so-called shallows, sandbanks, dark sand, underwater sand dam, seabed sand dunes, etc., often due to different people. After T.Off made a morphological and genetic study on the distribution of linear sand bodies in the world,