Study on Quantitative Model for Suspended Sediment Concentration in Taihu Lake
Chen, J; Zhou, GH; Wen, ZH; Ma, JF; Zhang, X; Peng, DQ; Yang, SL; chenjun820711@163.com; zhouguanhua@163.com
2010
发表期刊SPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN1000-0593
卷号30期号:1页码:137-141
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%.
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
关键词Case Ii Waters Spectral Curves Suspended Sediment Concentration Blue Shift
学科领域Spectroscopy
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收录类别sci
资助项目LED
WOS记录号WOS:000273230500034
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/6329
专题热带海洋环境国家重点实验室(LTO)
通讯作者chenjun820711@163.com; zhouguanhua@163.com
推荐引用方式
GB/T 7714
Chen, J,Zhou, GH,Wen, ZH,et al. Study on Quantitative Model for Suspended Sediment Concentration in Taihu Lake[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2010,30(1):137-141.
APA Chen, J.,Zhou, GH.,Wen, ZH.,Ma, JF.,Zhang, X.,...&zhouguanhua@163.com.(2010).Study on Quantitative Model for Suspended Sediment Concentration in Taihu Lake.SPECTROSCOPY AND SPECTRAL ANALYSIS,30(1),137-141.
MLA Chen, J,et al."Study on Quantitative Model for Suspended Sediment Concentration in Taihu Lake".SPECTROSCOPY AND SPECTRAL ANALYSIS 30.1(2010):137-141.
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