The distribution of surface DOC concentrations in the study areas shows an increase from the south-western to the north-eastern, which is ascribe to the northern spread of continental shelf water from the Prydz Bay in summer.

• 溶解有机碳浓度的空间分布呈现由西南向东北方向逐渐增加的趋势；这可能与南极陆架夏季上层水的北向扩展有关.