Based on numerous studies of surface sediments, several conclusions are summarized as follows: (1) Controlled by hydrodynamics and ice, surface sediments in the study area are relatively coarse and have bad sorting and low structure maturity.

• 通过对表层沉积物的研究，获得如下几点结论：(1)受水动力和海冰的双重制约，研究区沉积物总体较粗，分选较差，结构成熟度较低。