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湖泊科学  2002 

巢湖浮游植物叶绿素含量与反射光谱特征的关系

DOI: 10.18307/2002.0306

Keywords: 叶绿素,反射光谱,遥感,巢湖

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Abstract:

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,通过研究水体光谱反射率与叶绿素浓度之间的关系,利用反射率比值法和一阶微分法分别建立了叶绿素a的遥感定量模型.结果表明反射率比值R705nm/R680nm和690nm反射率的一阶微分均与叶绿素a浓度有较好的相关性,且用反射率比值法估算叶绿素a效果较好.

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