Information for Sensor and Index

Formula

General Formula ( n ⁢ ( 1 - 0.25 ⁢ n ) - RED - 0.125 1 - RED )
Specific Formula ( 2 ⁢ ( 52 - 142 ) + 1.5 ⁢ 5 + 0.5 ⁢ 14 5 + 14 + 0.5 ⁢ ( 1 - 0.25 ⁢ 2 ⁢ ( 52 - 142 ) + 1.5 ⁢ 5 + 0.5 ⁢ 14 5 + 14 + 0.5 ) - 14 - 0.125 1 - 14 )
Calculated Automatic
Comment

Sensor

Name MODIS
Full Name Moderate-resolution Imaging Spectroradiometer
Bands 36
Spectrum [nm] 405-14385
Spat.Res. [m] 250-1000
Inclination 0
Platform Terra / Aqua
Operator NASA (National Aeronautics and Space Administration)
Date of Launch 1999-12-18
Comment Terra: Date of launch: 18 December 1999 - operating nominally in 2012 Aqua: Date of launch: 4 May 2002 - operating nominally in 2012
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 Huete, A.R.; Justice, C.; Liu, H. - Development of Vegetation and Soil Indices for MODIS- EOS 1994

Visualisation

Sensor


Index