Index: Ratio 675/700/650

Ratio 675/700/650

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Basic information

Name	Ratio 675/700/650
Abbreviation	R675/700/650
Formula	$\frac{\mathrm{675nm}}{\mathrm{700nm}·\mathrm{650nm}}$
Variables
Expl. of Variables
Wavelengths	650,675,700
Source	Original formula
Description

Visualisation of required spectral range

Sensors

Nr.	Name	Spectral Range	Bands	Specific Formula	Calculated	Comment
1	AHS	428.5-13140	80	$\frac{9}{\mathrm{10}·8}$	Automatic
2	AISA	400-2506.7	498	$\frac{\mathrm{120}}{\mathrm{131}·\mathrm{109}}$	Automatic
3	ARIES-1	400-2587	105	$\frac{\mathrm{15}}{\mathrm{16}·\mathrm{14}}$	Automatic
4	ASAS	400-1020	62	$\frac{\mathrm{28}}{\mathrm{30}·\mathrm{25}}$	Automatic
5	AVIRIS	355.15-2515	224	$\frac{\mathrm{35}}{\mathrm{37}·\mathrm{31}}$	Automatic
6	AVIS	550-994	74	$\frac{\mathrm{21}}{\mathrm{25}·\mathrm{17}}$	Automatic
7	CASI spectral	391-905.5	96	$\frac{\mathrm{54}}{\mathrm{58}·\mathrm{49}}$	Automatic
8	ChrisProbaM1	406-1003	62	$\frac{\mathrm{A25}}{\mathrm{A29}·\mathrm{A23}}$	Automatic
9	ChrisProbaM2	406-1036	18	$\frac{\mathrm{W11}}{\mathrm{W14}·\mathrm{W10}}$	Automatic
10	DAIS-7915	400-12600	79	$\frac{\mathrm{15}}{\mathrm{16}·\mathrm{14}}$	Automatic
11	EnMap	420-2450	244	$\frac{\mathrm{40}}{\mathrm{44}·\mathrm{36}}$	Automatic
12	HYDICE	400-2500	210	$\frac{\mathrm{28}}{\mathrm{30}·\mathrm{25}}$	Automatic
13	HyMap	429-2493.8	126	$\frac{\mathrm{17}}{\mathrm{18}·\mathrm{15}}$	Automatic
14	Hyperion	349.896-2582.28	242	$\frac{\mathrm{B32}}{\mathrm{B35}·\mathrm{B30}}$	Automatic
15	Orbview-4	450-2450	200	$\frac{\mathrm{23}}{\mathrm{25}·\mathrm{20}}$	Automatic
16	PHI	400-1000.35	244	$\frac{\mathrm{112}}{\mathrm{122}·\mathrm{102}}$	Automatic
17	VIIRS	412-13350	22	$\frac{\mathrm{M5}}{\mathrm{DNB}·\mathrm{I1}}$	Automatic

Applications

Nr.	Name	Comment
1	Vegetation
2	Vegetation - Chlorophyll

References

Nr.	Author/Title	Year	Comment
1	Chappelle, E.W.; Kim, M.S.; McMurtrey, J.E. - Ratio analysis of reflectance spectra (RARS): an algorithm for the remote estimation of the concentrations of chlorophyll a, chlorophyll b, and carotenoids in soybean leaves	1992
2	le Maire, G.; Francois, C.; Dufrene, E. - Towards universal broad leaf chlorophyll indices using PROSPECT simulated database and hyperspectral reflectance measurements	2004

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Visualisation of Sensor-Bands

Index:

Sensors:

AHS

AISA

ARIES-1

ASAS

AVIRIS

AVIS

CASI spectral

ChrisProbaM1

ChrisProbaM2

DAIS-7915

EnMap

HYDICE

HyMap

Hyperion

Orbview-4

PHI

VIIRS

List of Indices