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题名: Dry deposition and particle-size distribution of phosphorus in the marine atmosphere over the northeastern coast of Taiwan
作者: Hung-Yu Chen;Chin-Chang Hung;Tien-Hsi Fang;Gwo-Ching Gong
贡献者: NTOU:Institute of Marine Environmental Chemistry and Ecology
关键词: Nutrients;Phosphorus speciation;Particle size;Fluxes;Atmosphere;Coastal zone
日期: 2008-04
上传时间: 2011-10-20T08:22:13Z
出版者: Continental Shelf Research
摘要: abstract:This study is the first to measure the particulate phosphorus, including total inorganic phosphorus (TIP) and organic phosphorus (OP), in size-fractionated atmospheric particles. The results indicate that continental and marine sources are the key controls on the particle-size distribution of phosphorus species. For continental and local anthropogenic sources, both TIP and OP are associated with fine-mode aerosols during the winter and spring, and both are also associated with coarse particles during the summer and autumn. The coarse/fine ratios are low during periods with a non-oceanic source but high at other times, probably because of the biological growing season in the surface waters of the study area. The calculated annual fluxes based on estimates of dual-mode particles are 532±185, 435±172, and 96.8±48.8 μmol m−2 yr−1 for TP, TIP, and OP, respectively. Based on previously published solubility data for particulate phosphorus (34%), we calculated an annual flux of 180±63 μmol m−2 yr−1 for readily soluble particulate phosphorus.
關聯: 28(6), pp.756–766
显示于类别:[海洋環境與生態研究所] 期刊論文
[海洋環境資訊系] 期刊論文


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