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首页> 外文期刊>Acta Meteorologica Sinica >SIMULATION ON CLIMATIC VARIATION OF ARCTIC SEA ICE THROUGH AN ICE-OCEAN COUPLED MODEL
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SIMULATION ON CLIMATIC VARIATION OF ARCTIC SEA ICE THROUGH AN ICE-OCEAN COUPLED MODEL

机译：通过海冰耦合模型模拟北极海冰的气候变化

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摘要

An ocean model developed by the Institute of Marine Research and the University of Bergen in Norway (BOM) and a state-of-the-art sea ice model developed by NCAR (CSIM4) are coupled. Considering influences of 9 major rivers, forced by the NCEP reanalysis atmospheric fields and the Levitus surface salinity, the Arctic sea ice climatic variation from January 1949 to December. 1999 was simulated through the coupled model. The comparison of simulated results and observations shows that: (1) the long-term ice concentration variation tendencies are in consistent with the observations in the divisional ocean regions; (2) simulated ice thickness horizontal distribution is reasonable. Simulated ice thickness has a decreasing tendency in the central Arctic, which agrees with the submarine observations. Simulated annually maximum ice thickness is highly related to observed fast-ice thickness off the Russian coast; and (3) sea ice area/volume fluxes through the Fram Strait are in accord with the satellite-derived data. Generally, the coupled model successfully simulated the Arctic Ocean sea ice climatic variation.
机译：海洋研究所和挪威卑尔根大学（BOM）开发的海洋模型与NCAR（CSIM4）开发的最先进的海冰模型相结合。考虑到9条主要河流受NCEP再分析大气场和Levitus表面盐度的影响，1949年1月至12月的北极海冰气候变化。通过耦合模型模拟了1999年。模拟结果与观测值的比较表明：（1）长期冰浓度变化趋势与分区海洋区的观测值一致； （2）模拟冰层厚度水平分布合理。在北极中部，模拟的冰层厚度有减小的趋势，这与海底观测结果一致。每年模拟的最大冰厚度与俄罗斯沿岸观测到的速冰厚度高度相关； （3）通过弗拉姆海峡的海冰面积/体积通量与卫星得出的数据一致。通常，耦合模型成功地模拟了北冰洋海冰的气候变化。

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