参考文献:
     [1] Mäkynen, M., Karvonen, J. MODIS sea ice thickness and open water–sea ice charts over the Barents and Kara seas for development and validation of sea ice products from microwave sensor data [J]. Remote Sensing, 2017, 9(12): 1324.
     [2] Fedi, L., Etienne, L., Faury, O., et al. Arctic navigation: stakes, benefits and limits of the POLARIS system[J]. The Journal of Ocean Technology, 2018, 13(4): 54-67.
     [3] Cheng, A., Casati, B., Tivy, A., et al. Accuracy and inter-analyst agreement of visually estimated sea ice concentrations in Canadian Ice Service ice charts using single-polarization RADARSAT-2 [J]. The Cryosphere, 2020, 14(4): 1289-1310.
     [4] Bond, J., Hindley, R., Kendrick, A., et al. Evaluating risk and determining operational limitations for ships in ice [C]//OTC Arctic Technology Conference. OTC, 2018: D023S013R002.
     [5] Bond, J., Oldford, D. Use of environmental data to estimate polar waters operational window [C]//OTC Arctic Technology Conference. OTC, 2018: D023S013R003.
     [6] Sibul, G., Jin, J. G. Evaluating the feasibility of combined use of the Northern Sea Route and the Suez Canal Route considering ice parameters [J]. Transportation Research Part A: Policy and Practice, 2021, 147: 350-369.
     [7] Ma, L., Qian, S. H., Dong, H. H., et al. Navigability of liquefied natural gas carriers along the Northern Sea route [J]. Journal of Marine Science and Engineering, 2024, 12(12): 2166.
     [8] Ma, L., Qian S. H., Mou, X., et al. Comparative Research on Vessel Navigability on the Northern Sea Route Based on the NSR Admission Criteria and POLARIS Methodology [J]. Journal of Marine Science and Engineering, 2025, 13(7): 1282.