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

被引：0
|
作者：
Donghai Lin
Yanling Qiu
Hongyan Huang
Jun Hong
Shihui Wei
Hongen Zhang
Zhiliang Zhu
机构：
[1] Tongji University,Key Laboratory of Yangtze Aquatic Environment, Ministry of Education, College of Environmental Science and Engineering
[2] Tongji University,School of Ocean and Earth Science
来源：
Chinese Journal of Oceanology and Limnology | 2009年 / 27卷
关键词：
hyper-spectrum; water quality model; Dianshan Lake; remote sensing;
D O I：
暂无
中图分类号：
学科分类号：
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.
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页码：142 / 146
页数：4
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