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首页> 外文期刊>Atmospheric environment >Influence of marine, terrestrial and anthropogenic sources on ionic and metallic composition of rainwater at a suburban site (northwest coast of Spain)
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Influence of marine, terrestrial and anthropogenic sources on ionic and metallic composition of rainwater at a suburban site (northwest coast of Spain)

机译：海洋，陆地和人为源对郊区（西班牙西北海岸）雨水离子和金属成分的影响

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摘要

In the present research, the rainwater chemistry of soluble (SF) and non-soluble (NSF) fractions is studied over a one a half year period (from March 2011 to August 2012) at a suburban site (Oleiros, A Coruna, Spain). The monthly rainfall in this region during the studied period ranged from 10 to 137 mm, while the NSF ranged from 0.9 to 54 mg L~(-1). More rainfall occurs within October-January. Eighteen samples, which provide information pertaining to the monthly variation in chemistry, were analyzed. Trace metals (Al, As, Ba, Co, Cu, Cr, Fe, Mn, Ni, Pb, Sr, V, Zn) were enclosed in the study of both fractions of the rainwater. Major inorganic ions (Cl~-, NO_3~-, SO_4~(2-), Na~+, K~+, Ca~(2+), Mg~(2+) and NH_4~+) were also enclosed in the study of the SF of the rainwater. After partition coefficients analysis, univariate and principal components analysis (PCA) and air mass back trajectories analysis, three sources were found for the ionic and metal composition of the SF of rainwater; terrestrial (Ca~(2+), non sea salt SO_4~(2-), Al and Fe), marine (Mg~(2+), Na~+, Cl~-) and anthropogenic (K~+, NH_4~+, NO_3~-, Fe, Mn, Pb, Sr, V and Zn). Results also suggest ubiquitous sources for Ba, Co, Cu, Cr and Ni. One source (terrestrial) was found for NSF of rainwater.
机译：在本研究中，在郊区站点（Oleiros，A Coruna，西班牙）进行了半年（2011年3月至2012年8月）的可溶性（SF）和非可溶性（NSF）馏分的雨水化学研究。 。在研究期间，该地区的月降雨量范围为10至137 mm，而NSF范围为0.9至54 mg L〜（-1）。 10月至1月的降雨量更多。分析了18个样品，这些样品提供了有关化学成分每月变化的信息。在研究雨水的两个部分时，将痕量金属（Al，As，Ba，Co，Cu，Cr，Fe，Mn，Ni，Pb，Sr，V，Zn）封闭起来。也将主要的无机离子（Cl〜-，NO_3〜-，SO_4〜（2-），Na〜+，K〜+，Ca〜（2 +），Mg〜（2+）和NH_4〜+）封闭在其中研究雨水的SF。经过分配系数分析，单变量和主成分分析（PCA）以及空气质量反轨迹分析，发现了雨水SF的离子和金属成分的三个来源。陆生（Ca〜（2+），非海盐SO_4〜（2-），铝和铁），海洋（Mg〜（2 +），Na〜+，Cl〜-）和人为（K〜+，NH_4〜 +，NO_3〜-，Fe，Mn，Pb，Sr，V和Zn）。结果还表明，Ba，Co，Cu，Cr和Ni普遍存在。发现NSF雨水的一种来源（地面）。

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  • 来源
    《Atmospheric environment》 |2014年第5期|30-38|共9页
  • 作者

    Jorge Moreda-Pineiro; Elia Alonso-Rodriguez; Carmen Moscoso-Perez; Gustavo Blanco-Heras; Isabel Turnes-Carou; Purification Lopez-Mania; Soledad Muniategui-Lorenzo; Dario Prada-Rodriguez;

  • 作者单位

    Department of Analytical Chemistry, Faculty of Sciences, University of A Coruna, Campus da Zapateira s, E-15077 A Coruna, Spain;

    Department of Analytical Chemistry, Faculty of Sciences, University of A Coruna, Campus da Zapateira s, E-15077 A Coruna, Spain;

    Department of Analytical Chemistry, Faculty of Sciences, University of A Coruna, Campus da Zapateira s, E-15077 A Coruna, Spain;

    Department of Analytical Chemistry, Faculty of Sciences, University of A Coruna, Campus da Zapateira s, E-15077 A Coruna, Spain;

    Department of Analytical Chemistry, Faculty of Sciences, University of A Coruna, Campus da Zapateira s, E-15077 A Coruna, Spain;

    Department of Analytical Chemistry, Faculty of Sciences, University of A Coruna, Campus da Zapateira s, E-15077 A Coruna, Spain,University Institute of Environment, University of A Coruna, Pazo de Longora, Lians, E-15179 Oleiros, Spain;

    Department of Analytical Chemistry, Faculty of Sciences, University of A Coruna, Campus da Zapateira s, E-15077 A Coruna, Spain;

    Department of Analytical Chemistry, Faculty of Sciences, University of A Coruna, Campus da Zapateira s, E-15077 A Coruna, Spain,University Institute of Environment, University of A Coruna, Pazo de Longora, Lians, E-15179 Oleiros, Spain;

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    Rainwater; Chemical composition; Major ions and trace metals; Sources contributions; Suburban site; Northwest Spain;

    机译：雨水;化学成分;主要离子和微量金属;来源捐款;郊区站点;西班牙西北部;

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