破浪对水汽通量的影响

IF 4.3 2区 工程技术 Q1 ENGINEERING, OCEAN
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引用次数: 0

摘要

破浪是海洋动力学中无处不在的现象,是大气与海洋之间动量、热量和能量交换的重要通道。尽管破浪在海气水汽交换中的重要作用已得到广泛认可,但由于数据的局限性和破浪过程本身的湍流特性,量化破浪对水汽通量的确切影响仍具有相当大的挑战性。为了克服这些挑战,我们构建了一个为期 10 年的全球综合数据集,其中包含多个破浪变量,并以统计破浪理论为依据,以捕捉错综复杂的破浪过程及其后果。然后,我们采用叠加式机器学习模型来阐明破浪与水汽通量之间的复杂关系。我们的叠加模型使用了丰富的破浪变量,其性能通过第五代欧洲中期天气预报中心再分析数据(ERA5)进行了验证。结果提供了出色的预测,并强调了破浪相关变量在调节水汽通量方面的重要性,从而证实了破浪在调节海气相互作用和水汽输送方面不可或缺的作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of wave breaking on moisture flux

Wave breaking is a ubiquitous phenomenon in ocean dynamics, serving as a critical conduit for the exchange of momentum, heat, and energy between the atmosphere and the ocean. Although its vital role in air-sea moisture exchange is widely acknowledged, quantifying its exact impact on moisture flux remained quite challenging due to data limitations and the inherently turbulent nature of the process. To overcome these challenges, we construct a comprehensive 10-year global dataset that incorporates multiple breaking wave variables, informed by statistical breaking theories, to capture the intricacies of the breaking process and its consequential effects. We then employ a stacked machine learning model to elucidate the complex relationships between wave breaking and moisture flux. The performance of our stacked model, which is enriched with breaking wave variables, is validated against the fifth-generation European Centre for Medium-Range Weather Forecasts reanalysis data (ERA5). The results offer excellent predictions and highlight the importance of breaking-wave-related variables in regulating moisture flux, thereby substantiating the integral role of wave breaking in modulating air-sea interactions and moisture transport.

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来源期刊
Applied Ocean Research
Applied Ocean Research 地学-工程:大洋
CiteScore
8.70
自引率
7.00%
发文量
316
审稿时长
59 days
期刊介绍: The aim of Applied Ocean Research is to encourage the submission of papers that advance the state of knowledge in a range of topics relevant to ocean engineering.
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