Information for Sensor and Index

Formula

General Formula	$\frac{2 NIR + 1 - \sqrt{{(2 NIR + 1)}^{2} - 8 (NIR - RED)}}{2}$
Specific Formula	$\frac{2 near_infrared + 1 - \sqrt{{(2 near_infrared + 1)}^{2} - 8 (near_infrared - red)}}{2}$
Calculated	Automatic
Comment

Sensor

Name	SPOT 1-3
Full Name	SystÃ¨me Probatoire dâ€™Observation de la Terre, spÃ¤ter: Satellite Pour lâ€™Observation de la Terre
Bands	4
Spectrum [nm]	500-890
Spat.Res. [m]	10-20
Inclination	0
Platform	SPOT
Operator
Date of Launch	1968-02-22
Comment	Stereo capability, SPOT 2 not active since June 2009
Usable for Indices	yes
Description

Index

Name	Modified Soil Adjusted Vegetation Index
Abbreviation	MSAVI
Formula	$\frac{2 NIR + 1 - \sqrt{{(2 NIR + 1)}^{2} - 8 (NIR - RED)}}{2}$
Variables
Expl. of Variables
Wavelengths	640:760,780:1400
Source	Original formula
Description

References

Nr.	Author/Title	Year	Comment
1	Qi, J.; Chehbouni, A.; Huete, A. R.; Kerr, Y. H.; Sorooshian, S. - A modified soil adjusted vegetation index	1994
2	Rondeaux, GeneviÃ¨ve; Steven, Michael; Baret, FrÃ©dÃ©ric - Optimization of soil-adjusted vegetation indices	1996

Visualisation

Sensor

Index