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Dimethylsulfide in the surface water of the East China Sea

机译:东海地表水中的二甲硫

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Dimethylsulfide (DMS) concentrations were measured in surface seawater samples collected at 32 stations in the East China Sea. The DMS concentrations varied from 1.8 to 5.7 nmol/L with an average of 3.4 nmol/L. The high concentrations of DMS were found in productive regions on the continental shelf. The horizontal distribution of DMS was closely related to the distribution trend of chlorophyll a. A highly significant correlation was found between the DMS and chlorophyll a data for all the samples. DMS concentration was also significantly correlated to the level of primary production in the studied sea area. Other environmental factors for influencing the distribution of DILIS, such as zooplankton biomass, surface seawater temperature. salinity and nutrients (including nitrate, phosphate and silicate) were also examined. Among these factors, both zooplankton biomass and nitrate content appeared to be significantly correlated to the DMS concentration. The flux of DMS from the East China Sea to the atmosphere was estimated to be 3.4 mu mol/m(2)/d. (C) 1999 Elsevier Science Ltd. All rights reserved. [References: 43]
机译:在东海32个站点采集的地表海水样品中测量了二甲基硫(DMS)的浓度。 DMS浓度从1.8到5.7 nmol / L不等,平均为3.4 nmol / L。在大陆架的生产区发现高浓度的DMS。 DMS的水平分布与叶绿素a的分布趋势密切相关。在所有样品的DMS和叶绿素a数据之间发现高度相关。 DMS浓度也与研究海域的初级生产水平显着相关。影响DILIS分布的其他环境因素,例如浮游生物量,地表海水温度。还检查了盐度和养分(包括硝酸盐,磷酸盐和硅酸盐)。在这些因素中,浮游生物的生物量和硝酸盐含量似乎都与DMS浓度显着相关。 DMS从东海到大气的通量估计为3.4μmol / m(2)/ d。 (C)1999 Elsevier ScienceLtd。保留所有权利。 [参考:43]

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