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Red edge position index (REPO)

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General description of the script

The red edge position index is sensitive to changes in chlorophyll concentrations, as higher chlorophyll concentrations absorb longer wavelengths. It is calculated as: 700+40*((670nm+780nm/2)-700nm/(740nm-700nm)

Description of representative images

Visualization of the REPO index above Italy. REPO


The script is based on Gholizadeh et al., 2016. It is described in the Index database as well.