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

被引：3

作者：

Lin Donghai ^{[1
]}

Qiu Yanling ^{[1
]}

Huang Hongyan ^{[1
]}

Hong Jun ^{[1
]}

Wei Shihui ^{[1
]}

Zhang Hongen ^{[2
]}

Zhu Zhiliang ^{[1
]}

机构：

[1] Tongji Univ, Coll Environm Sci & Engn, Key Lab Yangtze Aquat Environm, Minist Educ, Shanghai 200092, Peoples R China

[2] Tongji Univ, Sch Ocean & Earth Sci, Shanghai 200092, Peoples R China

来源：

CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY | 2009年 / 27卷 / 01期

关键词：

hyper-spectrum; water quality model; Dianshan Lake; remote sensing;

D O I：

10.1007/s00343-009-0142-8

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

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): R-720/R-680 = 20.362 x(R-720/R-680)(2)-31.438 x(R-720/R-680)+19.156; for turbidity (NTU): R-714.5* = 206.07x(R-714.5*)(2)-582.5 x R-714.5* + 423.24; and for total phosphorus (TP in mg/L): R-509.5* = 16.661 x (R-509.5*)(2)-32.646 x R-509.5*+ 16.116. The R-2 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

页码：142 / 146

页数：5

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