根据沿海和卫星观测，东西伯利亚海无冰期的持续时间

作者

  • P. A. Shabanov Shirshov Institute of Oceanology, Russian Academy of Sciences

DOI:

https://doi.org/10.29006/1564-2291.JOR-2025.53(4).5

关键词:

无冰期, 气候变化, 海冰, 东西伯利亚海, 沿岸观测, 北极, 海冰密集度, 遥感

摘要

基于1997至2023年间东西伯利亚海的沿岸冰情观测与卫星遥感数据，本研究分析了无冰期 的持续时间。 针对5个水文气象站所对应的沿岸水域，评估了无冰期特征的变化，包括其开始日期、结束日期及总持续 时间。计算了1997–2023年间无冰期年平均特征的统计数据，结果显示出显著的空间异质性。除分析沿海 海冰覆盖的气候变化外，本研究还采用了被动微波卫星遥感数据。 分析表明，在1997–2023年期间，基于观测数据未能发现无冰期开始日期和持续时间的统计显著变化趋 势。然而，在80%的站点中，无冰期结束日期呈现出统计显著的提前趋势。需要指出的是，基于沿岸观测 得出的关于无冰期变化的结论，在利用卫星数据对其变化性质和年均值进行验证时，仅得到了部分证 实。

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已出版

2025-12-21

期次

卷 53 期 4 (2025): 海洋学研究期刊

栏目

海洋物理学与气候

License

Transfer of copyrights occurs on the basis of a license agreement between the Author and Shirshov Institute of Oceanology, RAS

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