Information for Sensor and Index

Formula

General Formula ( n ( 1 - 0.25 n ) - RED - 0.125 1 - RED )
Specific Formula ( 2 ( NIR2 - Red2 ) + 1.5 NIR + 0.5 Red NIR + Red + 0.5 ( 1 - 0.25 2 ( NIR2 - Red2 ) + 1.5 NIR + 0.5 Red NIR + Red + 0.5 ) - Red - 0.125 1 - Red )
Calculated Automatic
Comment

Sensor

Name LandsatTM (Landsat4,5)
Full Name Landsat Thematic Mapper
Bands 7
Spectrum [nm] 450-12500
Spat.Res. [m] 30-120
Inclination 0
Platform Landsat
Operator NASA / USGS
Date of Launch 1984-03-01
Comment
Usable for Indices yes
Description

Index

Name Global Environment Monitoring Index
Abbreviation GEMI
Formula ( n ( 1 - 0.25 n ) - RED - 0.125 1 - RED )
Variables n = ( 2 * ( NIR ^2 - RED ^2) + 1.5 * NIR + 0.5 * RED ) / ( NIR + RED + 0.5 )
Expl. of Variables
Wavelengths 640:760,780:1400
Source Original formula
Description Bannari 1996

References

Nr. Author/Title Year Comment
1 Chen, J.M. - Evaluation of vegetation indices and a modified simple ratio for boreal applications 1996
2 Jacobsen, Anne; Broge, Niels H.; Hansen, Birger U. - Monitoring wheat fields and grasslands using spectral reflectance data 1995
3 Rondeaux, Geneviève; Steven, Michael; Baret, Frédéric - Optimization of soil-adjusted vegetation indices 1996

Visualisation

Sensor


Index