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学科主题: Spectroscopy
题名: Study on Quantitative Model for Suspended Sediment Concentration in Taihu Lake
作者: Chen, J ; Zhou, GH ; Wen, ZH ; Ma, JF ; Zhang, X ; Peng, DQ ; Yang, SL
通讯作者: chenjun820711@163.com ; zhouguanhua@163.com
关键词: Case II waters ; Spectral curves ; Suspended sediment concentration ; Blue shift
刊名: SPECTROSCOPY AND SPECTRAL ANALYSIS
发表日期: 2010
卷: 30, 期:1, 页:137-141
收录类别: sci
部门归属: [Zhou Guan-hua; Peng Dan-qing] Beijing Univ Aeronaut & Astronaut, Sch Instrument Sci & Opt Elect Engn, Beijing 100101, Peoples R China; [Chen Jun; Wen Zhen-he] China Univ Geosci, Sch Ocean Sci, Beijing 100083, Peoples R China; [Chen Jun; Wen Zhen-he] Qingdao Marine Geosci Inst, Qingdao 266071, Peoples R China; [Chen Jun; Yang Song-lin] Key Lab Marine Hydrocarbon Resource & Environm Ge, Qingdao 266071, Peoples R China; [Ma Jin-feng] Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Zhang Xu] Southwest Univ, Coll Geog Sci, Chongqing 400715, Peoples R China
项目归属: LED
摘要: The complicated compositions of Case II waters result in the complex properties of spectral curves. The present paper analyzed the in situ measurements data of spectral curves, and further realized the relationships between the properties of spectral curves and suspended sediment concentration. The study found that the max peak of spectral curves was moving to the direction of shortwavelength as increasing suspended sediment concentration, namely the blue shift of wavelength; the area enclosed by spectral curve and coordinate axis in the range of sensitive bands had preferably linear relationship with the suspended sediment concentration (curve area model); the trapezoidal area model which was an approximation of curve area model could also excellently reflect those relationships, and be greatly suitable for multi-spectral satellite imagery retrieval such as LandSat/TM, MODIS and so on. The inversion results of trapezoidal area model for LandSat/TM imagery on October 27, 2003 in Taihu Lake showed that the suspended sediment concentration ranged from 30 to 80 mg.L-1, the distribution pattern was higher in the west, south and central lake and lower in the east lake; compared with the in situ measurements in the regions, and the relative error of retrieval model was 6.035%.
原文出处: 查看原文
WOS记录号: WOS:000273230500034
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/6329
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Chen, J; Zhou, GH; Wen, ZH; Ma, JF; Zhang, X; Peng, DQ; Yang, SL.Study on Quantitative Model for Suspended Sediment Concentration in Taihu Lake,SPECTROSCOPY AND SPECTRAL ANALYSIS,2010,30(1):137-141
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