Information for Sensor and Index

Formula

General Formula	$\frac{NIR - RED - y (RED - BLUE)}{NIR + RED - y (RED - BLUE)}$
Specific Formula	$\frac{2 - 1 - y (1 - 7)}{2 + 1 - y (1 - 7)}$
Calculated	Automatic
Comment

Sensor

Name	VIRR
Full Name	Visible and Infrared Radiometer
Bands	10
Spectrum [nm]	430-12500
Spat.Res. [m]	0-0
Inclination	0
Platform	Chinese FengYun-3 (FY-3A)
Operator	China
Date of Launch	2008-06-00
Comment
Usable for Indices	yes
Description

Index

Name	Atmospherically Resistant Vegetation Index
Abbreviation	ARVI
Formula	$\frac{NIR - RED - y (RED - BLUE)}{NIR + RED - y (RED - BLUE)}$
Variables	NIR = [781:1399]
Expl. of Variables	y = quotient derived from the components of atmospheric reflectance in the blue and red channel (see literature, e.g. Bannari 1992, for details)
Wavelengths	420:480,640:760,781:1399
Source	Original formula
Description	Minimizes the effects of atmospheric scattering in comparison to the NDVI

References

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Sensor

Index