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首页> 外文期刊>Journal of Atmospheric Chemistry >Characterization of nutrients in the atmospheric wet and dry deposition observed at the two monitoring sites over Yellow Sea and East China Sea
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Characterization of nutrients in the atmospheric wet and dry deposition observed at the two monitoring sites over Yellow Sea and East China Sea

机译：在黄海和东海两个监测点观测到的大气干湿沉降中养分的特征

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摘要

To investigate the atmospheric deposition of nutrients into the coastal and shelf regions of the northwest Pacific Ocean, observation sites were established upon Qianliyan Island (within the Yellow Sea) and the Shengsi Archipelago (within the East China Sea), respectively. Nutrient concentrations, including NH_4~+, NO_3~-, NO_2~-, PO_4~(3-) and SiO_3~(2-), were determined in both aerosols and rainwater samples. The analytical results contain clear seasonal signatures, with high values during the dry season and low values during the rainy season. Similar trends are observed for deposition fluxes. The amount of wet deposition is greater than that of dry deposition for the studied nutrient species. The influence of meteorological factors such as rainfall means that samples from Qianliyan Island record higher nutrient values than those from Shengsi. Along with riverine inputs, atmospheric deposition plays an important role in determining the biogeochemistry of nutrient species in coastal and shelf oceans.
机译：为了调查营养物质在西北太平洋沿海和陆架区域的大气沉积，分别在千里岩岛（黄海以内）和the泗群岛（东海以内）建立了观测点。测定了气溶胶和雨水样品中的营养浓度，包括NH_4〜+，NO_3〜-，NO_2〜-，PO_4〜（3-）和SiO_3〜（2-）。分析结果包含明显的季节特征，在干旱季节具有较高的值，在雨季具有较低的值。对于沉积通量观察到相似的趋势。对于所研究的营养物种类，湿沉降量大于干沉降量。降雨等气象因素的影响，意味着千里岩岛的样品养分值高于Sheng泗的样品。除河流输入外，大气沉积在决定沿海和陆架海洋中营养物质的生物地球化学方面起着重要作用。

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