Information for Sensor and Index

Formula

General Formula	$(\frac{700nm}{670nm}) \frac{\sqrt{{(a \cdot 670 + 670nm + b)}^{2}}}{{(a^{2} + 1)}^{0.5}}$
Specific Formula	$(\frac{C8}{C4}) \frac{\sqrt{{(\frac{C8 - C2}{150} \cdot 670 + C4 + (C2 - (\frac{C8 - C2}{150} \cdot 550)))}^{2}}}{{(\frac{C8 - C2}{150^{2}} + 1)}^{0.5}}$
Calculated	Automatic
Comment

Sensor

Name	ChrisProbaM4
Full Name	Compact High Resolution Imaging Spectrometer - Project for On-Board Autonomy - Mode4
Bands	18
Spectrum [nm]	486-796
Spat.Res. [m]	17-17
Inclination	0
Platform	Proba
Operator	ESA
Date of Launch	2001-10-22
Comment
Usable for Indices	yes
Description

Index

Name	Chlorophyll Absorption Ratio Index
Abbreviation	CARI
Formula	$(\frac{700nm}{670nm}) \frac{\sqrt{{(a \cdot 670 + 670nm + b)}^{2}}}{{(a^{2} + 1)}^{0.5}}$
Variables	b=(550nm-((700nm-550nm)/150*550)), a=(700nm-550nm)/150
Expl. of Variables
Wavelengths	550,670,700
Source	Original formula
Description

References

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Visualisation

Sensor

Index