马登-朱利安振荡的四种理论

IF 25.2 1区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS
C. Zhang, á. F. Adames, B. Khouider, B. Wang, D. Yang
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引用次数: 60

摘要

在过去的几十年里,对麦登-朱利安涛动(MJO)的研究在观测、数值模拟和理论理解方面取得了相当大的进展。人们从理论上进行了许多尝试,以确定导致MJO存在的最基本过程。提出了区分假设和理论的标准(基于具有定量和可测试假设的第一原理,能够定量地预测MJO的基本尺度和向东传播)。本文选取了四种MJO理论进行了总结和比较:MJO的骨架理论、湿模理论、重力波理论和三相互作用理论。这四种MJO理论在其关键假设、参数化过程,特别是对MJO纬向空间尺度、时间尺度和东向传播的选择机制等方面具有不同之处。通过对这四种理论的比较和MJO动力学方法的最新发展,我们认识到MJO的理论思维是多样化的,对MJO动力学的理解需要进一步提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Four Theories of the Madden-Julian Oscillation

Studies of the Madden-Julian Oscillation (MJO) have progressed considerably during the past decades in observations, numerical modeling, and theoretical understanding. Many theoretical attempts have been made to identify the most essential processes responsible for the existence of the MJO. Criteria are proposed to separate a hypothesis from a theory (based on the first principles with quantitative and testable assumptions, able to predict quantitatively the fundamental scales and eastward propagation of the MJO). Four MJO theories are selected to be summarized and compared in this article: the skeleton theory, moisture-mode theory, gravity-wave theory, and trio-interaction theory of the MJO. These four MJO theories are distinct from each other in their key assumptions, parameterized processes, and, particularly, selection mechanisms for the zonal spatial scale, time scale, and eastward propagation of the MJO. The comparison of the four theories and more recent development in MJO dynamical approaches lead to a realization that theoretical thinking of the MJO is diverse and understanding of MJO dynamics needs to be further advanced.

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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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