Offshore Sand Information System (In_Sand) - Sandy deposits

It contains the polygons that represent the sandy deposits identified in the areas. For each deposit, the name of the deposit, the volume in m3 of total sand and the volume in m3 of sand useful for replenishment and an acronym identifying the type of sand are specified.本数据集包含用于表征该区域内已识别砂质沉积体的多边形地理要素。针对每一处沉积体，均记录有其名称、总砂体积（单位：立方米）、可用于补填作业的有效砂体积（单位：立方米），以及用于标识砂质类型的缩写代码。