Analysis on the relationship between sun-induced chlorophyll fluorescence and gross primary productivity of winter wheat in northern China

Ecological Indicators(2022)

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摘要
•The PRI as an indicator of NPQ to characterize the change in heat dissipation.•SIF is strongly affected by radiation, while PRI is sensitive to soil moisture.•PRI can be used to improve the relationship between GPP and SIF.
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关键词
Winter wheat,Soil water content,Sun-induced chlorophyll fluorescence,Photochemical reflectance index
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