海岸线与海岸带海岸线,指海水面与陆地接触的分界线。一般指海边多年大潮时所能达到的线,它的位置,随潮水的冲刷、淤积的变化而改变,随着人类的经济活动而不断变化。我国大陆海岸线,北起中朝边境的鸭绿江口,南至中越边境的北仑河口,全长16497km,岛屿岸线14390km,在世界111个滨海国家中居第9位,海岸线系数(海岸线长度与国土面积之比)为0.00188,居第94位。海岸带,指海陆衔接的过渡地带,也是海洋与陆地的相互作用地 Coastline and coastline Coastline refers to the dividing line between sea surface and land. Generally refers to the seaside can be achieved when the tide of the line for many years, its location, with the erosion of the tide, siltation changes, with the constant changes in human economic activities. China’s coastline, the North China-North Korea border the Yalu River estuary, south to the Sino-Vietnamese border Beilun estuary, a total length of 16497km, island coastline of 14,390km, 111 countries in the world among the ninth, coastline coefficient (coastline and land area Than) was 0.00188, ranking No. 94. Coastal zone, referring to the convergence of land and sea transition zone, but also the interaction of the ocean and land