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Multifractal detrended fluctuation analysis of the δ~(18)O record of NGRIP ice core

机译:NGRIP冰芯δ〜(18)O记录的多重分形趋势波动分析

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摘要

The multifractal properties and scaling behaviors of the long-term and recent 2000-year δ~(18)O records of NGRIP ice core are investigated by the multifractal detrended fluctuation analysis method. The generalized Hurst exponents, multifractal scaling exponents, and singularity spectrums of two δ~(18)O records are derived to verify the multifractiality of two records. And the multifractal behaviors of two records are obviously different, which may reflect the climate change of the recent 2000-year time is quite different from one of the long-term time. In addition, the probability distribution analysis of two δ~(18)O records is presented to manifest the different multi-fractality between two δ~(18)O records of NGRIP ice core. Our results will be helpful to research the climate change.
机译:利用多重分形趋势分析方法研究了NGRIP冰芯长期和近2000年的δ〜(18)O记录的多重分形特征和尺度变化行为。推导了两个δ〜(18)O记录的广义Hurst指数,多重分形标度指数和奇异谱,以验证两个记录的多重分形性。而且两个记录的多重分形行为有明显的不同,这可能反映了近2000年的气候变化与长期变化之一有很大的不同。另外,通过对两个δ〜(18)O记录的概率分布分析,揭示了NGRIP冰芯的两个δ〜(18)O记录之间不同的多重分形。我们的结果将有助于研究气候变化。

著录项

  • 来源
    《Climate dynamics》 |2014年第8期|2105-2109|共5页
  • 作者

    Zhi-Gang Shao; Hui-Hui Wang;

  • 作者单位

    Laboratory of Quantum Engineering and Quantum Materials, ICMP and SPTE, South China Normal University, Guangzhou 510006, China;

    Laboratory of Quantum Engineering and Quantum Materials, ICMP and SPTE, South China Normal University, Guangzhou 510006, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Multifractality; NGRIP; Ice core;

    机译:多形性NGRIP;冰芯;

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