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首页> 外文期刊>Estuarine Coastal and Shelf Science >Sea spray aerosol fluxes in the Baltic Sea region: Comparison of the WAM model with measurements
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Sea spray aerosol fluxes in the Baltic Sea region: Comparison of the WAM model with measurements

机译：波罗的海地区的海雾气溶胶通量：WAM模型与测量值的比较

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摘要

Sea spray aerosol flux is an important element of sub-regional climate modeling. The majority of works related to this topic concentrate on open ocean research rather than on smaller, inland seas, e.g., the Baltic Sea. The Baltic Sea is one of the largest brackish inland seas by area, where major inflows of oceanic waters are rare. Furthermore, surface waves in the Baltic Sea have a relatively shorter lifespan in comparison with oceanic waves. Therefore, emission of sea spray aerosol may differ greatly from what is known from oceanic research and should be investigated. This article presents a comparison of sea spray aerosol measurements carried out on-board the s/y Oceania research ship with data calculated in accordance to the WAM model. The measurements were conducted in the southern region of the Baltic Sea during four scientific cruises. The gradient method was used to determinate aerosol fluxes. The fluxes were calculated for particles of diameter in range of 0.5-47 gm. The correlation between wind speed measured and simulated has a good agreement (correlation in range of 0.8). The comparison encompasses three different sea spray generation models. First, function proposed by Massel (2006) which is based only on wave parameters, such as significant wave height and peak frequency. Second, Callaghan (2013) which is based on Gong (2003) model (wind speed relation), and a thorough experimental analysis of whitecaps. Third, Petelski et al. (2014) which is based on in-situ gradient measurements with the function dependent on wind speed. The two first models which based on whitecaps analysis are insufficient. Moreover, the research shows strong relation between aerosol emission and wind speed history. (C) 2016 Elsevier Ltd. All rights reserved.
机译：海浪气溶胶通量是次区域气候模拟的重要元素。与该主题相关的大多数作品都集中在开放海洋研究上，而不是在较小的内陆海域，例如波罗的海。波罗的海是按面积划分的最大的咸淡内陆海之一，那里主要的海水流入很少。此外，与海洋波相比，波罗的海的表面波的寿命相对较短。因此，海喷雾气溶胶的排放可能与海洋研究中已知的有很大不同，应进行调查。本文介绍了在S / y大洋洲研究船上进行的海雾气溶胶测量与根据WAM模型计算出的数据的比较。这些测量是在四次科学航行期间在波罗的海南部地区进行的。梯度法用于确定气溶胶通量。计算出直径在0.5-47 gm范围内的颗粒的通量。测得的风速与模拟的风速之间具有良好的一致性（相关性在0.8的范围内）。比较包括三种不同的海浪生成模型。首先，Massel（2006）提出的函数仅基于波浪参数，例如有效的波浪高度和峰值频率。其次，基于Gong（2003）模型（风速关系）的Callaghan（2013），以及对白帽的全面实验分析。第三，Petelski等。 （2014年）是基于原位梯度测量，其功能取决于风速。基于白帽分析的前两个模型是不够的。此外，研究表明，气溶胶排放与风速历史之间有着密切的关系。 （C）2016 Elsevier Ltd.保留所有权利。

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