Green Chromatic Index (GCI) also known as Green Chromatic Coordinate (GCC) is a measure of the greenness of vegetation. It is calculated from daily averaged RGB (Red, Green, Blue) composites values of digital images captured by PhenoCams.
Tarfala Research Station (2022). Phenocam - Green Chromatic Coordinates (GCC) Composite Image Mean Values from Laevasvagge, Mast 4m Phenocam 01, 2020-06-23–2020-09-15 [Data set]. Swedish Infrastructure for Ecosystem Science (SITES). https://hdl.handle.net/11676.1/Y1sO8CSB8ZvHWh4HrjtNLg5m
