How to calculate GCI (Green Chlorophyll Index) in ArcGis Pro

GCI (Green Chlorophyll Index) is used to estimate leaf chlorophyll content in plants based on near-infrared and green bands. In general, the chlorophyll value directly reflects the vegetation. The GCI formula looks like GCI = NIR / Green - 1. The so-called green chlorophyll index’s main strength is that it can be successfully used for a wide range of plant species. GCI index is calculated as a ratio of the chlorophyll’s reflectance in the NIR band over the reflectance in the green band.
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