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Zhimiao Zheng,Jingchao Xie,Pan Liang,Jiaping Liu 한국기상학회 2023 Asia-Pacific Journal of Atmospheric Sciences Vol.59 No.3
Corrosion of reinforced concrete in the high-salt atmospheric environment of coastal areas widely exists in practical coastalprojects, which will reduce the durability of coastal buildings and metal equipment. In this study, the factors influencingcoastal atmospheric salt fog concentration were studied by combining theoretical analysis and coastal measurements. First,a set of atmospheric sampling and processing methods for atmospheric salt fog particles was summarized and sorted. Through actual measurements in Sanya, the atmospheric sampling and processing method were verified, and more accuratecoastal atmospheric salt fog concentration data were obtained. The average atmospheric salt fog concentration at the coastwas 190 μg/m3, the maximum value was 343.18 μg/m3, and the minimum value was 48.49 μg/m3. Then, the influence ofmeteorological factors, such as temperature, humidity, and wind speed, on salt fog concentration was explored based on themeasured data, and the functional relationship between various factors and salt fog concentration was fitted. Finally, a modelof salt fog particles migrating inland driven by wind in the coastal atmosphere was deduced theoretically and verified by themeasured data of atmospheric salt fog concentration at different sea distances. The results of this study provide a theoreticalreference for the anti-corrosion properties of coastal buildings and metal equipment.