期刊
INTERNATIONAL JOURNAL OF REMOTE SENSING
卷 23, 期 6, 页码 1207-1212出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/01431160110106096
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A linear relationship (r(2) =0.79, p<0.001) between the photochemical reflectance index (PRI) and photosynthetic light use efficiency (LUE) was found for eight plant species that exhibit a significant range in foliage physical properties and nitrogen content. Experiments were conducted under artificial sunlight in a climate laboratory, using narrow-band (3.2 nm) canopy-level reflectance data to calculate the PRI, and averaged measurements of leaf net photosynthesis to obtain the LUE. If the PRI is calculated using a 10 nm bandwidth, simulating for example data from the Airborne Visible/Infrared Imaging Spectroradiometer (AVIRIS), a weaker but still significant relationship results (r(2)=0.67, p<0.001).
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