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巢湖水体悬浮物含量与光谱反射率的关系
引用本文:李素菊,王学军.巢湖水体悬浮物含量与光谱反射率的关系[J].城市环境与城市生态,2003,16(6):66-68.
作者姓名:李素菊  王学军
作者单位:北京大学环境学院地表过程分析与模拟教育部重点实验室,北京大学环境学院地表过程分析与模拟教育部重点实验室 北京 100871,北京 100871
基金项目:高等学校优秀青年教师教学科研奖励计划资助,基金委创新群体科学基金(40024101)
摘    要:利用高光谱地物光谱仪在巢湖进行了反射光谱测量和同步水质采样分析,在分析巢湖水体反射光谱特征的基础上,分别研究了悬浮物浓度与水体光谱反射率和光谱反射率的一阶微分之间的关系,结果表明在近红外波段范围,单波段反射率和一阶微分光谱反射率都与悬浮物的浓度有较好的相关性,而且利用微分光谱估算内陆水体悬浮物浓度有较大潜力。

关 键 词:巢湖  水体污染  悬浮物含量  光谱反射率  遥感  水质监测

Relationship Between Suspended Matter Concentration and Spectral Reflectance of Chao Lake
LI Su-ju,WANG Xue-jun.Relationship Between Suspended Matter Concentration and Spectral Reflectance of Chao Lake[J].Urban Environment & Urban Ecology,2003,16(6):66-68.
Authors:LI Su-ju  WANG Xue-jun
Abstract:The correlations between reflectance spectra and the contents of suspended matter in Chao Lake which was in eutrophic status were studied.Reflectance spectra were measured using ASD FieldSpec HandHeld radiometer.Suspended matter and chlorophyll measurements of water samples were measured at the same time.The features of the spectral reflectance of the lake showed that,in infra-red wavelength range,the correlation between the spectral reflectance and the suspended matter content and the correlation between the first derivative of the reflectance and the suspended matter content were good.The first derivative was effective in estimating suspended matter content in inland water.
Keywords:suspended matter content  spectral reflectance  remote sensing
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