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Issue:
Principal Component Analysis of Water High Eutrophication Evaluation in Taihu Lake
Author(s):
YAO Huan-mei
,
HUANG Ren-tao
,
LIU Yang
,
JIANG Wen-kai
Pages:
248
-
251
Year:
2005
Issue:
2
Journal:
JOURNAL OF GUILIN UNIVERSITY OF TECHNOLOGY
Keyword:
水质富营养化评价
;
主成分分析
;
太湖
;
Abstract:
运用主成分分析法对太湖水质的富营养化情况进行了评价.主成分分析法可以少数的综合变量取代原有的多维变量来进行有针对性的定量化评价,在评价过程中,由第1和第2主成分组成的综合主成分方差贡献率达96.24%;通过VB调用MATLAB可以完成评价过程中所有的运算.对1987和1994年太湖中各测点的水质富营养化状态进行定性评价,同时还对各监测点的水质进行了横向和纵向比较,整个评价过程简单易行.
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