基于高光谱数据的作物净初级生产力估算方法-《江苏农业科学》

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Title:: Estimation method of crop net primary productivity based on hyperspectral data

作者:: 张城芳¹; 2; 董恒²; 1.武汉华夏理工学院土木与建筑工程系，湖北武汉 430223； 2武汉理工大学资源与环境工程学院，湖北武汉 430070

Author(s):: Zhang Chengfang; et al

关键词:: 高光谱; 作物净初级生产力; 植被指数; 光能利用率模型

Keywords:: -

分类号:: S127

DOI:: -

文献标志码:: A

摘要:: 叶片叶绿素含量、叶片含水量、叶面积指数、光合有效辐射是影响作物净初级生产力(NPP)的重要因素。以光能利用率模型作为基本模型，结合叶片叶绿素含量、叶面积指数和叶片含水量等生态参数反演方法，构建新的NPP高光谱遥感估算模型。在山东禹城实地观测的小麦和玉米NPP数据基础上，研究还将新构建的模型与NDVI、CI和MCARI等传统叶绿素冠层模型的线性拟合结果进行比较。分析结果表明，新构建的模型在小麦、玉米2种作物NPP估算中都有着较好的表现，可以用来估算作物NPP。

Abstract:: -

参考文献/References:

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