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首页> 外文会议>International Conference on Environmental Science and Technology >(cest2017_01334) Spatiotemporal differences in trace element levels at Douro River and Ave River (Portugal) lower basins
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(cest2017_01334) Spatiotemporal differences in trace element levels at Douro River and Ave River (Portugal) lower basins

机译：（Cest2017_01334）杜罗河和Ave河（葡萄牙）下盆地的微量元素水平的时空差异

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Douro and Ave lower basin water quality wasstudied regarding a wide panel of trace elements (Li, Be,Al, Ti, V, Cr, Co, Ni, Cu, Zn, Se, Mo, Ag, Cd, Sb, Ba, Tl,Pb, Th and U). To take into account expectedspatiotemporal changes and to look for anthropogenicsources of contamination, samples were collected atdifferent sampling sites (9 in Douro;;5 in Ave) in threesampling campaigns.According to widely accepted water quality guidelines forthe protection of aquatic life, trace elements mean valueswere found high for Al, Cu, Se, Ag, Cd and Pb in bothDouro and Ave, plus Zn in Ave.Significant spatial differences were found, especially inAve, where a noticeable trend for higher values fromupstream to downstream was observed for severalelements. Seasonal differences were also observed, withhigher levels in spring for most elements, especially inDouro.
机译：杜罗和Ave较低的盆地水质是关于一种宽阔的微型痕量元素（Li，Be，Al，Ti，V，Cr，Co，Ni，Cu，Zn，Se，Mo，Ag，Cd，Sb，Ba，T1， PB，TH和U）。 考虑到预期的污染物的预期变化并寻找人为污染的人，样品被收集到三草采样部位（杜罗毒素9中的9个; 5 in Ave）。根据保护水生命的保护，痕量元素是广泛接受的水质指导。 对于Al，Cu，Se，Ag，Cd，Cd和Pb，在两者和Ave中发现高价值，并在Ave中加上Zn。发现，特别是inave，特别是从uphefstream到下游的较高值的显着趋势。 也观察到季节性差异，在春天的大多数元素，尤其是昆摩中的水平。

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