Index: Disease water stress index

Disease water stress index

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Basic information

Name	Disease water stress index
Abbreviation	DSWI
Formula	$\frac{\mathrm{802nm}+\mathrm{547nm}}{\mathrm{1657nm}+\mathrm{682nm}}$
Variables
Expl. of Variables
Wavelengths	547,682,802,1657
Source	Original formula
Description	Detect water-stressed crops at a canopy level.

Visualisation of required spectral range

Sensors

Nr.	Name	Spectral Range	Bands	Specific Formula	Calculated	Comment
1	AHS	428.5-13140	80	$\frac{\mathrm{13}+4}{\mathrm{22}+9}$	Automatic
2	AISA	400-2506.7	498	$\frac{\mathrm{175}+\mathrm{64}}{\mathrm{358}+\mathrm{123}}$	Automatic
3	ALI	433-2350	10	$\frac{\mathrm{MS\_\_\_4}+\mathrm{MS\_\_\_2}}{\mathrm{MS\_\_\_5}+\mathrm{MS\_\_\_3}}$	Automatic
4	ARIES-1	400-2587	105	$\frac{\mathrm{22}+8}{\mathrm{54}+\mathrm{15}}$	Automatic
5	ASTER	520-11650	15	$\frac{\mathrm{VNIR\_Band3N}+\mathrm{VNIR\_Band1}}{\mathrm{SWIR\_Band4}+\mathrm{VNIR\_Band2}}$	Automatic
6	AVIRIS	355.15-2515	224	$\frac{\mathrm{48}+\mathrm{20}}{\mathrm{137}+\mathrm{35}}$	Automatic
7	Azimuth Systems AZ-16	0-13000	12	$\frac{7+3}{9+5}$	Automatic
8	Daedalus	0-13000	12	$\frac{7+3}{9+5}$	Automatic
9	DAIS-7915	400-12600	79	$\frac{\mathrm{22}+8}{\mathrm{37}+\mathrm{15}}$	Automatic
10	EnMap	420-2450	244	$\frac{\mathrm{59}+\mathrm{20}}{\mathrm{165}+\mathrm{41}}$	Automatic
11	GLI	375-12500	36	$\frac{\mathrm{23}+8}{\mathrm{28}+\mathrm{12}}$	Automatic
12	HYDICE	400-2500	210	$\frac{\mathrm{41}+\mathrm{15}}{\mathrm{126}+\mathrm{29}}$	Automatic
13	HyMap	429-2493.8	126	$\frac{\mathrm{25}+8}{\mathrm{81}+\mathrm{17}}$	Automatic
14	Hyperion	349.896-2582.28	242	$\frac{\mathrm{B45}+\mathrm{B20}}{\mathrm{B151}+\mathrm{B33}}$	Automatic
15	LandsatETM+ (Landsat7)	450-12500	8	$\frac{\mathrm{NIR}+\mathrm{Green}}{\mathrm{SWIRI}+\mathrm{Red}}$	Automatic
16	LandsatTM (Landsat4,5)	450-12500	7	$\frac{\mathrm{NIR}+\mathrm{Green}}{\mathrm{SWIRI}+\mathrm{Red}}$	Automatic
17	MMR	450-2300	7	$\frac{4+2}{6+3}$	Automatic
18	Orbview-4	450-2450	200	$\frac{\mathrm{36}+\mathrm{10}}{\mathrm{121}+\mathrm{24}}$	Automatic
19	SCIAMACHY	240-2380	15	$\frac{\mathrm{PMD4\_NIR}+\mathrm{VIS1}}{\mathrm{PMD5\_SWIR}+\mathrm{PMD3\_VIS}}$	Automatic
20	WorldView-3	400-2365	29	$\frac{\mathrm{Near\_IR1}+\mathrm{Green}}{\mathrm{SWIR\_3}+\mathrm{Red}}$	Automatic

Applications

Nr.	Name	Comment
1	Vegetation
2	Vegetation - Water
3	Vegetation - Water stress

References

Nr.	Author/Title	Year	Comment
1	Galvão, Lênio Soares; Formaggio, Antônio Roberto; Tisot, Daniela Arnold - Discrimination of sugarcane varieties in Southeastern Brazil with EO-1 Hyperion data	2005

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Visualisation of Sensor-Bands

Index:

Sensors:

AHS

AISA

ALI

ARIES-1

ASTER

AVIRIS

Azimuth Systems AZ-16

Daedalus

DAIS-7915

EnMap

GLI

HYDICE

HyMap

Hyperion

LandsatETM+ (Landsat7)

LandsatTM (Landsat4,5)

MMR

Orbview-4

SCIAMACHY

WorldView-3

List of Indices