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Study on Sediment Characteristics in Artificial Wetland and Natural Wetland
Abstract:
This paper studied the sidemen characteristics of artificial wetland and natural wetland by cumulant, sedimentary organic matter, DOC and nitrate content. The results showed that the sediments in artificial wetlands upper layer were instable and uncompacted and often had trouble collecting for various factors .which was different from in natural wetland. Artificial wetland must pass through the months and years pass by. Time operation due to be texture, cation exchange capacity and clay changes, resulting in increasing content of organic substances. Natural wetland sediments of dissolved organic carbon in a constructed wetland system is high and the overall performance is relatively stable. But nitrate content was higher and less stable than the constructed wetland sediments.
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748-752
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Online since:
November 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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