Red Chromatic Index (RCI) also known as Red Chromatic Coordinate (RCC) is a measure of the redness of vegetation. It is calculated from daily averaged RGB (Red, Green, Blue) composites values of digital images captured by PhenoCams.
Abisko Scientific Research Station (2022). Phenocam - Red Chromatic Coordinates (RCC) Composite Image Mean Values from Abisko Scientific Research Station, Mast 4.5m Phenocam 01, 2013-04-01–2013-11-30 [Data set]. Swedish Infrastructure for Ecosystem Science (SITES). https://hdl.handle.net/11676.1/UjRwasDX2V0UgUUoPmMgFobX
