A Bowen ratio-informed method for coordinating the estimates of air-sea turbulent heat fluxes

文献类型： 外文期刊

第一作者： Wang, Yizhe

作者： Wang, Yizhe;Tang, Ronglin;Huang, Lingxiao;Jiang, Yazhen;Li, Zhao-Liang;Wang, Yizhe;Tang, Ronglin;Huang, Lingxiao;Jiang, Yazhen;Li, Zhao-Liang;Liu, Meng;Li, Zhao-Liang

作者机构：

关键词： air-sea interaction; turbulent heat flux; sensible heat flux; latent heat flux; Bowen ratio

期刊名称：ENVIRONMENTAL RESEARCH LETTERS （ 影响因子：5.6； 五年影响因子：7.2 ）

ISSN： 1748-9326

年卷期： 2024 年 19 卷 12 期

页码：

收录情况： SCI

摘要： Accurate quantification of turbulent heat fluxes [THF, comprising sensible heat flux (SHF) andlatent heat flux (LHF)] and Bowen ratio (beta, ratio of SHF and LHF) is essential for understandingthe air-sea interaction. However, the biased estimates of SHF and LHF by widely applied bulkaerodynamic models, and the separate estimates of SHF and LHF by data-driven models, both mayresult in unrealistic beta estimates. This study for the first time innovatively proposes a Bowenratio-informed data-driven model (BrTHF) for coordinating the estimations of THF and beta usingthe multivariate random forest (RF) technique and a combination of eddy covariance fluxobservations and meteorological and oceanic observations collected from 53 historical cruises. Theresult shows that the BrTHF model could not only achieve high-accuracy SHF and LHF estimates,but also avoid the outliers of beta estimates that were commonly found in un-synergistic RF andwell-known Coupled Ocean Atmosphere Response Experiment 3.5 models.

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