The Structure of Climate Variability Across Scales

IF 25.2 1区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS Reviews of Geophysics Pub Date : 2020-03-05 DOI:10.1029/2019RG000657
Christian L. E. Franzke, Susana Barbosa, Richard Blender, Hege-Beate Fredriksen, Thomas Laepple, Fabrice Lambert, Tine Nilsen, Kristoffer Rypdal, Martin Rypdal, Manuel G, Scotto, Stéphane Vannitsem, Nicholas W. Watkins, Lichao Yang, Naiming Yuan
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引用次数: 67

Abstract

One of the most intriguing facets of the climate system is that it exhibits variability across all temporal and spatial scales; pronounced examples are temperature and precipitation. The structure of this variability, however, is not arbitrary. Over certain spatial and temporal ranges, it can be described by scaling relationships in the form of power laws in probability density distributions and autocorrelation functions. These scaling relationships can be quantified by scaling exponents which measure how the variability changes across scales and how the intensity changes with frequency of occurrence. Scaling determines the relative magnitudes and persistence of natural climate fluctuations. Here, we review various scaling mechanisms and their relevance for the climate system. We show observational evidence of scaling and discuss the application of scaling properties and methods in trend detection, climate sensitivity analyses, and climate prediction.

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气候变率的跨尺度结构
气候系统最吸引人的一个方面是,它在所有时间和空间尺度上都表现出可变性;明显的例子是温度和降水。然而,这种可变性的结构并不是任意的。在一定的空间和时间范围内,它可以用概率密度分布和自相关函数的幂律形式的比例关系来描述。这些标度关系可以通过标度指数来量化,该指数衡量了变异性如何在不同尺度上变化,以及强度如何随发生频率变化。尺度决定了自然气候波动的相对幅度和持续时间。在这里,我们回顾了各种尺度机制及其与气候系统的相关性。我们展示了尺度化的观测证据,并讨论了尺度化特性和方法在趋势检测、气候敏感性分析和气候预测中的应用。
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来源期刊
Reviews of Geophysics
Reviews of Geophysics 地学-地球化学与地球物理
CiteScore
50.30
自引率
0.80%
发文量
28
审稿时长
12 months
期刊介绍: Geophysics Reviews (ROG) offers comprehensive overviews and syntheses of current research across various domains of the Earth and space sciences. Our goal is to present accessible and engaging reviews that cater to the diverse AGU community. While authorship is typically by invitation, we warmly encourage readers and potential authors to share their suggestions with our editors.
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