Roles of dissolved organic matter on seasonal arsenic variation in shallow aquifers of the central Yangtze River Basin by EEM-PARAFAC analysis

机译：溶解有机质对长江盆地中部浅含水层季节性砷变异的作用

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Fluorescence excitation-emission matrix (EEM) analysis was applied to characterize seasonal variation of dissolved organic matter (DOM) in arsenic-affected shallow aquifers of the Jianghan Plain,central China,to better understand the effect of DOM on arsenic transformation during dry season and wet season.It was identified that there are three components of DOM,of which C1 and C3 are fulvic acid-like substances and C2 is humic acid substance,and there is no obvious seasonal variability in C2,and the concentration is slightly higher in the wet season than the dry season.C1 and C3 have the opposite change rules in different seasons,which is mainly reflected in the shallow unconfined water.

机译：荧光激发 - 发射基质（EEM）分析用于在中国中部江汉平原的砷浅含水层中表征溶解有机物（DOM）的季节变异，以更好地了解DOM在旱季中的砷转化的影响湿季节被认为是DOM的三种组分，其中C1和C3是富磷酸样物质，C2是腐殖酸物质，C2中没有明显的季节性变异性，浓度略高湿季节比干燥的季节.C1和C3在不同的季节中具有相反的变化规则，主要反映在浅不整合的水中。

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《International Congress and Exhibition on Arsenic in the Environment》|2019年|lxx 643 p.|共2页
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X F Yuan; Y.Deng; Z.J.Lu;
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Roles of dissolved organic matter on seasonal arsenic variation in shallow aquifers of the central Yangtze River Basin by EEM-PARAFAC analysis

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