NNear-Infrared (NIR).
sNIRvNDPISWIR-enhanced Near-Infrared Reflectance of Vegetation for NDPI
VegetationMultispectralCitation Rank #301
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Summary
The SWIR-enhanced Near-Infrared Reflectance of Vegetation for NDPI (sNIRvNDPI) is a vegetation spectral index intended for multispectral sensing. It was introduced in 2024; its source is cited as Sadegh Ranjbar, Danielle Losos, Benjamin Dechant, Sophie Hoffman, Eyyup Ensar Başakın, & Paul C. Stoy (2024). Harnessing Information From Shortwave Infrared Reflectance Bands to Enhance Satellite‐Based Estimates of Gross Primary Productivity. Journal of Geophysical Research: Biogeosciences, 129(11). https://doi.org/10.1029/2024jg008240 .
Based on the latest citation data, this index is in the 6.31th percentile overall, ranking 301 out of 317 indices with citation data. Among the 31 indices published within two years of 2024, it ranks 18 (54.84th percentile). Within the vegetation application domain, it is in the 6.1th percentile and ranks 204 out of 213 indices with citation data. Among the 20 similarly aged vegetation indices, it ranks 11 (65th percentile).
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Formula
(N - (alpha * R + (1.0 - alpha) * S2))/(N + (alpha * R + (1.0 - alpha) * S2)) * NBands
RRed.
S2Short-wave Infrared (SWIR) 2.
Polarizations
Constants
alphaParameter to mitigate soil and snow effects. Taken from NDPI.
Default value0.74