Comparison of ERA5 turbulent fluxes at the air–sea interface with measurements from a wave‐following platform

IF 2.3 4区地球科学 Q3 METEOROLOGY & ATMOSPHERIC SCIENCES

Atmospheric and Oceanic Science Letters Pub Date : 2024-01-08 DOI:10.1016/j.aosl.2024.100463

Saïd Benjeddou , Denis Bourras , Christopher Luneau

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Abstract

Turbulent fluxes at the air–sea interface were estimated with data collected in 2011–2020 with a low‐profile platform named OCARINA during eight experiments in five regions: 2011, 2015, and 2016 in the Iroise Sea; 2012 in the tropical Atlantic; 2014 in the Chilie–Peru upwelling; 2017 and 2018 in the Mediterranean Sea, and 2018 and 2020 in Barbados. The observations were carried out with moderate winds (2–10 m s⁻¹) and average wave heights of 1.5 m. In this study, the authors used the fluxes calculated by the bulk method using OCARINA-sampled data as the input. These data can validate the fluxes estimated from ERA5 reanalysis data. The OCARINA and ERA5 data were taken concomitantly. To do this, the authors established an algorithm to extract the OCARINA data as closely as possible to the reanalysis data in time and position. The measurements of the OCARINA platform can conclude on the relevance of the widely used reanalysis data.

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ERA5海气界面湍流通量与波浪跟踪平台测量结果的比较

利用 2011-2020 年在五个地区进行的八次实验中使用名为 OCARINA 的低剖面平台收集的数据，估算了海气界面的湍流通量：2011 年、2015 年和 2016 年在伊鲁瓦兹海；2012 年在热带大西洋；2014 年在奇利-秘鲁上升流；2017 年和 2018 年在地中海；2018 年和 2020 年在巴巴多斯。观测是在中等风速（2-10 米/秒-1）和平均波高 1.5 米的条件下进行的。在这项研究中，作者使用 OCARINA 取样数据作为输入，通过散装法计算出通量。这些数据可以验证ERA5 再分析数据估算的通量。OCARINA 和 ERA5 数据是同时采集的。为此，作者建立了一种算法，以提取在时间和位置上尽可能接近再分析数据的 OCARINA 数据。OCARINA 平台的测量结果可以为广泛使用的再分析数据的相关性得出结论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Atmospheric and Oceanic Science Letters METEOROLOGY & ATMOSPHERIC SCIENCES-

CiteScore

4.20

自引率

8.70%

发文量

925

审稿时长

12 weeks