Index: Cellulose absorption index 2

Cellulose absorption index 2

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Basic information

Name	Cellulose absorption index 2
Abbreviation	CAI
Formula	$0,5\left(\mathrm{2020nm}+\mathrm{2220nm}\right)-\mathrm{2100nm}$
Variables
Expl. of Variables
Wavelengths	2020,2100,2220
Source	Original formula
Description

Visualisation of required spectral range

Sensors

Nr.	Name	Spectral Range	Bands	Specific Formula	Calculated	Comment
1	AISA	400-2506.7	498	$0,5\left(\mathrm{418}+\mathrm{451}\right)-\mathrm{431}$	Automatic
2	ARIES-1	400-2587	105	$0,5\left(\mathrm{68}+\mathrm{81}\right)-\mathrm{73}$	Automatic
3	AVIRIS	355.15-2515	224	$0,5\left(\mathrm{176}+\mathrm{194}\right)-\mathrm{183}$	Manual
4	DAIS-7915	400-12600	79	$0,5\left(\mathrm{41}+\mathrm{51}\right)-\mathrm{45}$	Automatic
5	EnMap	420-2450	244	$0,5\left(\mathrm{201}+\mathrm{221}\right)-\mathrm{209}$	Automatic
6	HYDICE	400-2500	210	$0,5\left(\mathrm{162}+\mathrm{182}\right)-\mathrm{170}$	Automatic
7	Hyperion	349.896-2582.28	242	$0,5\left(\mathrm{B187}+\mathrm{B207}\right)-\mathrm{B195}$	Automatic
8	Orbview-4	450-2450	200	$0,5\left(\mathrm{157}+\mathrm{177}\right)-\mathrm{165}$	Automatic
9	SASI600	950-2450	100	$0,5\left(\mathrm{72}+\mathrm{85}\right)-\mathrm{77}$	Automatic

Applications

Nr.	Name	Comment
1	Agriculture
2	Vegetation
3	Vegetation - Cellulose

References

Nr.	Author/Title	Year	Comment
1	Daughtry, C.; Hunt, E. R.; Walthall, C. L.; Gish, T. J.; Liang, Shunlin; Kramer, E.J. - Assessing the Spatial Distribution of Plant Litter	2001
2	Daughtry, Craig S. T. - Discriminating crop residues from soil by shortwave infrared reflectance	2001
3	Nagler, P. L; Daughtry, C. S. T.; Goward, S. N. - Plant Litter and Soil Reflectance	2000
4	Oppelt, N.; Mauser, W. - Hyperspectral monitoring of physiological parameters of wheat during a vegetation period using AVIS data	2004

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Visualisation of Sensor-Bands

Index:

Sensors:

AISA

ARIES-1

AVIRIS

DAIS-7915

EnMap

HYDICE

Hyperion

Orbview-4

SASI600

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