兴隆沙地区沉积物粒径相对较粗,以粉砂、砂为主,总体上反映出该地区为水动力比较强的沉积环境,而沉积物粒径在各剖面中垂向变化较大。
The grain size composition of Xinglong sand is mainly fine and coarse sand , which reflects the hydrodynamic condition is stronger .