A GREY EVALUATION MODEL OF LAKE EUTROPHICATION AND ITS APPLICATION

杨国强

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A GREY EVALUATION MODEL OF LAKE EUTROPHICATION AND ITS APPLICATION

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- A GREY EVALUATION MODEL OF LAKE EUTROPHICATION AND ITS APPLICATION
- 多维灰评估模型在湖泊富营养化研究中的应用
- Issue 2, (1997)
- 作者机构：
  
  山西农业大学
- 作者简介：
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- Published：1997
- 稿件说明：
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杨国强. A GREY EVALUATION MODEL OF LAKE EUTROPHICATION AND ITS APPLICATION[J]. 1997, (2).
DOI：

杨国强. A GREY EVALUATION MODEL OF LAKE EUTROPHICATION AND ITS APPLICATION[J]. 1997, (2). DOI：

摘要

将待评估湖泊富营养化指标组成样本矩阵，经确定指标极性，建立各类别的白化权函数形成权系数矩阵，确定类别界限及各指标权重，最终形成综合权系数矩阵并据此画出三角坐标图．应用该模型对我国１８个主要湖泊的富营养化进行了评估．

Abstract

According to the theory of grey system

the grey cluster evaluation model of lake eutrophication was established by ① arranging the data into the sample matrix; ② determining the polarity of these data; ③ creating functions of weighted etiolation for each classification of the data and ④ producing the classification limits and weighted data for the lakes. Consequently

the overall weighted coefficient matrix

the triangle coordinates and the classifications

scores and ranks of the evaluated samples were achieved. This model was applied in evaluating the eutrophication of the 18 major lakes in China.

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