GGreen.
VegetationMultispectralCitation Rank #3
The Normalized Green Red Difference Index (NGRDI) is a vegetation spectral index intended for multispectral sensing. It was introduced in 1979; its source is cited as Compton J. Tucker (1979). Red and photographic infrared linear combinations for monitoring vegetation. Remote Sensing of Environment, 8(2). https://doi.org/10.1016/0034-4257(79)90013-0 .
Based on the latest citation data, this index is in the 99.36th percentile overall, ranking 3 out of 313 indices with citation data. Among the 2 indices published within two years of 1979, it ranks 1 (100th percentile). Within the vegetation application domain, it is in the 99.05th percentile and ranks 3 out of 211 indices with citation data. Among the 2 similarly aged vegetation indices, it ranks 1 (100th percentile).
(G - R) / (G + R)GGreen.
RRed.