Hyper-spectrum models for monitoring water quality in Dianshan Lake,China

被引：0
|
作者：
林东海
仇雁翎
黄洪彦
洪军
魏诗辉
张洪恩
朱志良
机构：
[1] Key Laboratory of Yangtze Aquatic Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University
[2] School of Ocean and Earth Science, Tongji University
来源：
Journal of Oceanology and Limnology | 2009年 / 01期
关键词：
hyper-spectrum; water quality model; Dianshan Lake; remote sensing;
D O I：
暂无
中图分类号：
X832 [水质监测];
学科分类号：
0804 ; 082803 ;
摘要：
The correlation between water quality parameters and hyper-spectral reflectance is studied with models established for each parameter and applied in Dianshan Lake, in the upstream of the Huangpu River running through Shanghai, China. Models are for dissolved oxygen (DO in mg/L): R720/R680 = 20.362×(R720/R680)2?31.438×(R720/R680)+19.156; for turbidity (NTU): R*714.5 = 206.07× (R*714.5)2?582.5×R*714.5 + 423.24; and for total phosphorus (TP in mg/L): R*509.5 = 16.661× (R*509.5)2?32.646×R*509.5+16.116. The R2 values are 0.770 8, 0.660 4 and 0.738 7, respectively, showing strong positive relationships. The models were then applied to assess water quality of different times. Results are quite satisfactory for some samples.
引用
收藏
页码：142 / 146
页数：5
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