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太湖磷化氢分布的相关性研究

Keywords: 太湖,富营养化,磷化氢,相关性

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Abstract:

以太湖为研究对象,考察了富营养化浅水湖泊中磷化氢的空间分布相关性。结果表明,湖水中磷化氢的浓度和大气中磷化氢的浓度有明显的相关性,它们之间的平均相关系数(r2)是0.43±0.25(n=40,P<0.05),底层湖水中磷化氢和湖底底泥中的磷化氢的相关性差,它们之间的平均相关系数(r2)只有0.050±0.057(n=40,P<0.05)。湖泊磷化氢的空间分布相关性也表明湖泊底泥是磷化氢产生的重要来源,是导致湖泊水域磷化氢广泛分布的主要源。

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