近几年，随着北极航线的开通，有关其经济性的探讨也越来越多。在此过程中，海冰对北极航行经济性的影响是不容忽视的。文章考虑到海冰的多种影响因素，通过对比北极“东北航道”航线和苏伊士运河航线上各航行方案的经济性指标，论证了海冰对北极航行经济性的重大影响。

In recent years, with the opening of the arctic passages, there are more and more discussions about its economy. In this process, the influence of sea ice to the

arctic navigation economy cannot be ignored. Basing on considering various factors and conditions, by comparing the economic indicators of each navigation  case in the arctic “Northeast Passage” route and the Suez Canal route, the significant influence of sea ice to the arctic navigation economy is demonstrated.