Index: Three-Band Ratio 1200

Three-Band Ratio 1200

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Basic information

Name	Three-Band Ratio 1200
Abbreviation	RATIO1200
Formula	$2\frac{\mathrm{[1180:1220]}}{\mathrm{[1090:1110]}+\left(\mathrm{[1265:1285]}\right)}$
Variables
Expl. of Variables
Wavelengths	1090:1110,1180:1220,1265:1285
Source	Original formula
Description	Estimate relative water content <60% at leaf level

Visualisation of required spectral range

Sensors

Nr.	Name	Spectral Range	Bands	Specific Formula	Calculated	Comment
1	AISA	400-2506.7	498	$2\frac{\mathrm{283}}{\mathrm{266}+\left(\mathrm{295}\right)}$	Automatic
2	ARIES-1	400-2587	105	$2\frac{\mathrm{39}}{\mathrm{36}+\left(\mathrm{42}\right)}$	Automatic
3	AVIRIS	355.15-2515	224	$2\frac{\mathrm{90}}{\mathrm{79}+\left(\mathrm{98}\right)}$	Automatic
4	CASI1500	380-1500	288	$2\frac{\mathrm{211}}{\mathrm{186}+\left(\mathrm{231}\right)}$	Automatic
5	EnMap	420-2450	244	$2\frac{\mathrm{119}}{\mathrm{109}+\left(\mathrm{127}\right)}$	Automatic
6	HYDICE	400-2500	210	$2\frac{\mathrm{80}}{\mathrm{70}+\left(\mathrm{88}\right)}$	Automatic
7	HyMap	429-2493.8	126	$2\frac{\mathrm{52}}{\mathrm{45}+\left(\mathrm{57}\right)}$	Automatic
8	Hyperion	349.896-2582.28	242	$2\frac{\mathrm{B105}}{\mathrm{B96}+\left(\mathrm{B113}\right)}$	Automatic
9	Orbview-4	450-2450	200	$2\frac{\mathrm{75}}{\mathrm{65}+\left(\mathrm{83}\right)}$	Automatic
10	SASI600	950-2450	100	$2\frac{\mathrm{17}}{\mathrm{10}+\left(\mathrm{22}\right)}$	Automatic

Applications

Nr.	Name	Comment
1	Vegetation - Water

References

Nr.	Author/Title	Year	Comment
1	Pu, R.; Ge, S.; Kelly, N. M.; Gong, P. - Spectral absorption features as indicators of water status in coast live oak ( Quercus agrifolia ) leaves	2003

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Visualisation of Sensor-Bands

Index:

Sensors:

AISA

ARIES-1

AVIRIS

CASI1500

EnMap

HYDICE

HyMap

Hyperion

Orbview-4

SASI600

List of Indices