Information for Sensor and Index

Formula

General Formula 860nm - 1640nm 860nm + 1640nm
Specific Formula near_infrared - middle_infrared near_infrared + middle_infrared
Calculated Automatic
Comment

Sensor

Name SPOT 4
Full Name Système Probatoire d’Observation de la Terre, später: Satellite Pour l’Observation de la Terre
Bands 5
Spectrum [nm] 500-1750
Spat.Res. [m] 10-20
Inclination 0
Platform SPOT
Operator CNES (Centre National d'Etudes Spatiales)
Date of Launch 1998-04-24
Comment Stereo capability
Usable for Indices yes
Description

Index

Name Normalized Difference 860/1640
Abbreviation SIWSI
Formula 860nm - 1640nm 860nm + 1640nm
Variables
Expl. of Variables
Wavelengths 860,1640
Source Original formula
Description Estimate leaf of canopy water stress, especially in the semiarid environment.

References

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Visualisation

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Index