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Prediction of Ashi River Water Quality Based on GM(1,1)Dynamic Model Group
Author(s): 
Pages: 173-176
Year: Issue:  5
Journal: Environmental Science and Management

Keyword:  阿什河灰色动态模型群氨氮水质预测;
Abstract: 依据灰色系统理论,以2000年-2009年10年阿什河入江口断面枯水期氨氮浓度构造了一个由6个GM(1,1)模型组成的灰色动态模型群,并运用该模型群对其变化趋势进行了预测分析,得到令人满意的结果.研究表明,灰色动态模型群法能够充分利用近期水质资料信息预测未来水质变化趋势;以模型群统计平均值作为最终预测值,避免了单一灰色模型容易利用不稳定信息的缺陷,使得预测精度更加准确,预测结果更为可信.
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