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- W2357384804 abstract "In order to determine the chlorophyll-a concentration of inland water using remote sensing,field hyperspectral data and water samples were collected in the Lake Xinmiao of China from May to September in 2004.Through analyzing the correlation between data measured in laboratory and hyperspectral reflectance,it was found that single band reflectance could not denote the chlorophyll-a concentration well.The reflectance peak near 700 nm and absorption vale near 680 nm were the most important features.Three regressive linear fitting models were set up respectively between chlorophyll-a concentration and other factors as follows: the ratio of reflectance peak near 700 nm to absorbance vale near 680 nm,the first derivative of reflectance near 700 nm,the distance from reflectance peak to absorbance vale.All of the models gave good results with high determination coefficients 0.7834,0.7927 and 0.7969 respectively.The determination coefficients of testing models were 0.6513,0.4317,0.7564 respectively and root mean square error(RMSE) were 8.69 μg·L-1,14.50 μg·L-1,10.04 μg·L1-1with significance level P0.01.By comparison of RMSE and two kinds of determination coefficients,the third model was the best to predict chlorophyll-a contents in the Lake Xinmiao,China." @default.
- W2357384804 created "2016-06-24" @default.
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- W2357384804 date "2007-01-01" @default.
- W2357384804 modified "2023-09-23" @default.
- W2357384804 title "Hyperspectral Remote Sensing of Chlorophyll-a in the Lake Xinmiao,China" @default.
- W2357384804 hasPublicationYear "2007" @default.
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