Information for Sensor and Index

Formula

General Formula 860nm - 1640nm 860nm + 1640nm
Specific Formula VNIR_Band3N - SWIR_Band4 VNIR_Band3N + SWIR_Band4
Calculated Automatic
Comment

Sensor

Name ASTER
Full Name Advanced Spaceborne Thermal Emission and Reflection Radiometer
Bands 15
Spectrum [nm] 520-11650
Spat.Res. [m] 15-90
Inclination 98.3
Platform
Operator NASA
Date of Launch 1999-12-18
Comment
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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