Information for Sensor and Index

Formula

General Formula	$\frac{NIR - RED - y (RED - BLUE)}{NIR + RED - y (RED - BLUE)}$
Specific Formula	$\frac{11 - 8 - y (8 - 2)}{11 + 8 - y (8 - 2)}$
Calculated	Automatic
Comment

Sensor

Name	CASI_spatial
Full Name
Bands	11
Spectrum [nm]	417-806
Spat.Res. [m]	0-0
Inclination	0
Platform	airborne
Operator	ITRES Research Instruments
Date of Launch	1989-00-00
Comment	Pixel per line: 512, FOV: 34,2Â° Spatial Mode = 512 pixels across swath, up to 18 spectral bands (fully programmable)
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

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
2	Thenkabail, P. S.; Smith, R. B.; De Pauw, E. - Evaluation of narrowband and broadband vegetation indices for determining optimal hyperspectral wavebands for agricultural crop characterization	2002

Visualisation

Sensor

Index