In addition to the thermal reasons, the advection of arctic sea ice (Pacific section), which is the result of dynamic factors, is closely related to the frequency shift that occurred in Chukchi Sea.

• 楚科奇海海冰范围的年际变化中存在由低频向高频变化的现象，该现象除了在局地气温变化中存在之外，在北冰洋区域风涡度、波弗特海纬向风、东西伯利亚海经向风等动力因素中也有所体现。