Index: Triangular greenness index

Triangular greenness index

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Basic information

Name Triangular greenness index
Abbreviation TGI
Formula –0.5 ( ( [665:675]–[475:485] ) · ( 670nm–550nm ) ( [665:675]–[545:555] ) ( 670nm–480nm ) )
Variables
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Wavelengths 475:485,480,545:555,550,665:675,670
Source Original formula
Description

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Bands
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Sensors

Nr. Name Spectral Range Bands Specific Formula Calculated Comment
1 ASAS 400-1020 62 –0.5 ( ( 27–8 ) · ( 28–16 ) ( 27–15 ) ( 28–9 ) ) Automatic
2 HYDICE 400-2500 210 –0.5 ( ( 27–8 ) · ( 28–16 ) ( 27–15 ) ( 28–9 ) ) Automatic
3 Orbview-4 450-2450 200 –0.5 ( ( 22–3 ) · ( 23–11 ) ( 22–10 ) ( 23–4 ) ) Automatic
4 PHI 400-1000.35 244 –0.5 ( ( 110–33 ) · ( 111–62 ) ( 110–61 ) ( 111–32 ) ) Automatic

Applications

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References

Nr. Author/Title Year Comment
1 Hunt Jr., E. Raymond; Daughtry, C. S. T.; Eitel, Jan U. H.; Long, D. S. - Remote Sensing Leaf Chlorophyll Content Using a Visible Band Index 2011

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Sensors:

ASAS

HYDICE

Orbview-4

PHI

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