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Peculiarities of the Distribution of Particulate Matter at the Water-Atmosphere Geochemical Barrier in Transoceanic Sections

机译:跨遗传段水中地球化学屏障颗粒物质分布的特殊性

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The article presents the results of studies on the grain size distribution of aerosols and surface waters (cruise 31 of the R/V Akademik Nikolay Strakhov in December 2015-January 2016 and cruise 42 of the R/V Akademik Boris Petrov in January-April 2017). It was found that the average quantity of 0.3-0.5-mu m aerosol particles per L decreased during 2017 as follows: Bab El-Mandeb Strait (135 190) > Gulf of Aden (102 854) > Red Sea (91 612) > North and Baltic seas (76 468) > Indian Ocean (64 113) > Malacca Strait (46 491)> Mediterranean Sea (28 397) > East Atlantic Ocean (14 803). The biotic factor prevails in the distribution of particulate matter and organic compounds in open waters of the Indian Ocean and in the northeast Atlantic Ocean, as well as in areas of high productivity (the Arabian Sea). Circumcontinental zoning results in a prevalent terrigenous component in particulate matter of coastal waters. The transformation from the winter (2016) to the spring (2017) phytoplankton community resulted in a decrease in particulate matter content by an average factor of 8. The lack of a correlation between the concentrations of particulate matter and organic compounds in some regions points to different sources of their formation. Despite the high concentrations of hydrocarbons in several samples in 2016 (up to 50-70 mu g/L), the average concentrations were practically unchanged: 10.5 and 8.7 mu g/L in 2016 and 2017, respectively. The presence of weathered oil alkanes in the composition of hydrocarbons points to the influence of oil pollutants.
机译:本文介绍了气溶胶和表面水域晶粒大小分布的研究结果(R / V Akademik Nikolay Strayhov的巡航31 2015-10-100-100-100- 2016年1月,2017年1月至四月的R / V Akademik Boris Petrov巡航42 )。结果发现,2017年平均数量为0.3-0.5-mu m的气溶胶颗粒,如下:bab el-mandeb海峡(135 190)> aden的海湾(102 854)>红海(91 612)>北和波罗的海(76 468)>印度洋(64113)>马六甲海峡(46 491)>地中海(28 397)>东部大西洋(14 803)。在印度洋和东北大西洋的开阔水域中颗粒物质和有机化合物的分布,生物因子普遍存在,以及高生产率(阿拉伯海)的领域。环绕着分区导致沿海水域颗粒物质中普遍的植牛组成部分。从冬季(2016)到春季(2017)浮游植物群落的转变导致颗粒物质含量的平均因子降低8.缺乏颗粒物质和一些地区有机化合物之间的相关性的相关性他们形成的不同来源。尽管2016年的几种样品中的高浓度(高达50-70μg),但平均浓度几乎不变:2016年和2017年分别在2016年和2017年的10.5%和8.7亩。碳氢化合物组合物的风化油烷基的存在指向油污染物的影响。

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