文献类型： 会议论文
第一作者： Jingjing Wang
作者： Jingjing Wang 1 ; Qingjiu Tian 2 ; Yingcheng Lu 2 ;
作者机构： 1.aInstitute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences,Nanjing 210014, China
2.International Institute for Earth System Science, Nanjing University, Nanjing 210093, China
关键词： hyperspectral remote sensing;Hyperion;chlorophyll;seawater;Liaodong Bay
会议名称： International Symposium on Multispectral Image Processing and Pattern Recognition
主办单位：
页码： 749807:1-749807:8
摘要： The research was intended to estimate Chl-a concentration of coastal water in Liaodong Bay, China based on reflectancespectra data collected in situ and satellite hyperspectral data-Hyperion image. After processing and atmosphericcorrection, the reflectance of water extracted from Hyperion image can be used to express the spectral characteristics ofdifferent Chl-a concentration. Ratio calculation of reflectance between absorption and reflection peaks of Chl-a, thederivative analysis of spectrum can greatly improve the correlation with Chl-a concentration. Exponential model of Chl-aconcentration with variable of band ratio between 681nm and 671nm was applied to Hyperion and the mean absolutepercent error is 34% and root mean square error value is 3.30μgl~(-1).
分类号： N52
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