Information for Sensor and Index

Formula

General Formula	$\frac{GREEN - RED}{GREEN + RED}$
Specific Formula	$\frac{VNIR_Band1 - VNIR_Band2}{VNIR_Band1 + VNIR_Band2}$
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 Green/Red Normalized green red difference index, Visible Atmospherically Resistant Indices Green (VIgreen)
Abbreviation	NGRDI
Formula	$\frac{GREEN - RED}{GREEN + RED}$
Variables
Expl. of Variables
Wavelengths	490:570,640:760
Source	Original formula
Description

References

Nr.	Author/Title	Year	Comment
1	Gitelson, A. A.; Kaufman, Y. J.; Stark, R.; Rundquist, D. - Novel algorithms for remote estimation of vegetation fraction	2002

Visualisation

Sensor

Index