Index: Normalized Difference 860/1640

Normalized Difference 860/1640

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Basic information

Name	Normalized Difference 860/1640
Abbreviation	SIWSI
Formula	$\frac{\mathrm{860nm}-\mathrm{1640nm}}{\mathrm{860nm}+\mathrm{1640nm}}$
Variables
Expl. of Variables
Wavelengths	860,1640
Source	Original formula
Description	Estimate leaf of canopy water stress, especially in the semiarid environment.

Visualisation of required spectral range

Sensors

Nr.	Name	Spectral Range	Bands	Specific Formula	Calculated	Comment
1	AHS	428.5-13140	80	$\frac{\mathrm{15}-\mathrm{22}}{\mathrm{15}+\mathrm{22}}$	Automatic
2	AISA	400-2506.7	498	$\frac{\mathrm{200}-\mathrm{355}}{\mathrm{200}+\mathrm{355}}$	Automatic
3	ALI	433-2350	10	$\frac{\mathrm{MS\_\_\_4\text{'}}-\mathrm{MS\_\_\_5}}{\mathrm{MS\_\_\_4\text{'}}+\mathrm{MS\_\_\_5}}$	Automatic
4	ARIES-1	400-2587	105	$\frac{\mathrm{25}-\mathrm{54}}{\mathrm{25}+\mathrm{54}}$	Automatic
5	ASTER	520-11650	15	$\frac{\mathrm{VNIR\_Band3N}-\mathrm{SWIR\_Band4}}{\mathrm{VNIR\_Band3N}+\mathrm{SWIR\_Band4}}$	Automatic
6	AVHRR	580-12500	6	$\frac{2-\mathrm{3A}}{2+\mathrm{3A}}$	Automatic
7	AVIRIS	355.15-2515	224	$\frac{\mathrm{54}-\mathrm{135}}{\mathrm{54}+\mathrm{135}}$	Automatic
8	Azimuth Systems AZ-16	0-13000	12	$\frac{7-9}{7+9}$	Automatic
9	Daedalus	0-13000	12	$\frac{7-9}{7+9}$	Automatic
10	DAIS-7915	400-12600	79	$\frac{\mathrm{25}-\mathrm{36}}{\mathrm{25}+\mathrm{36}}$	Automatic
11	EnMap	420-2450	244	$\frac{\mathrm{68}-\mathrm{163}}{\mathrm{68}+\mathrm{163}}$	Automatic
12	GLI	375-12500	36	$\frac{\mathrm{18}-\mathrm{28}}{\mathrm{18}+\mathrm{28}}$	Automatic
13	HYDICE	400-2500	210	$\frac{\mathrm{46}-\mathrm{124}}{\mathrm{46}+\mathrm{124}}$	Automatic
14	HyMap	429-2493.8	126	$\frac{\mathrm{29}-\mathrm{80}}{\mathrm{29}+\mathrm{80}}$	Automatic
15	Hyperion	349.896-2582.28	242	$\frac{\mathrm{B72}-\mathrm{B149}}{\mathrm{B72}+\mathrm{B149}}$	Automatic
16	INSAT-2E	550-12500	6	$\frac{\mathrm{CCD\_Near\_Infrared}-\mathrm{CCD\_Shortwave\_Infrared}}{\mathrm{CCD\_Near\_Infrared}+\mathrm{CCD\_Shortwave\_Infrared}}$	Automatic
17	IRS-1C	500-1700	5	$\frac{\mathrm{NIR}-\mathrm{SWIRI}}{\mathrm{NIR}+\mathrm{SWIRI}}$	Automatic
18	IRS-1D	500-1700	5	$\frac{\mathrm{NIR}-\mathrm{SWIRI}}{\mathrm{NIR}+\mathrm{SWIRI}}$	Automatic
19	IRS-P4	402-1700	9	$\frac{8-9}{8+9}$	Automatic
20	Landsat 8	435-12510	11	$\frac{\mathrm{Near\_Infrared}-\mathrm{SWIR\_1}}{\mathrm{Near\_Infrared}+\mathrm{SWIR\_1}}$	Automatic
21	LandsatETM+ (Landsat7)	450-12500	8	$\frac{\mathrm{NIR}-\mathrm{SWIRI}}{\mathrm{NIR}+\mathrm{SWIRI}}$	Automatic
22	LandsatTM (Landsat4,5)	450-12500	7	$\frac{\mathrm{NIR}-\mathrm{SWIRI}}{\mathrm{NIR}+\mathrm{SWIRI}}$	Automatic
23	MERSI	402-12750	20	$\frac{4-\mathrm{19}}{4+\mathrm{19}}$	Automatic
24	MIPAS	685-2410	5	$\frac{\mathrm{NIR1}-\mathrm{SWIR1}}{\mathrm{NIR1}+\mathrm{SWIR1}}$	Automatic
25	MMR	450-2300	7	$\frac{4-6}{4+6}$	Automatic
26	MODIS	405-14385	36	$\frac{2-6}{2+6}$	Automatic
27	MSU-MR	500-12500	6	$\frac{2-3}{2+3}$	Automatic
28	MVISR	430-12200	10	$\frac{2-6}{2+6}$	Automatic
29	Orbview-4	450-2450	200	$\frac{\mathrm{41}-\mathrm{119}}{\mathrm{41}+\mathrm{119}}$	Automatic
30	Resource21	450-1650	6	$\frac{4-5}{4+5}$	Automatic
31	SCIAMACHY	240-2380	15	$\frac{\mathrm{PMD4\_NIR}-\mathrm{PMD5\_SWIR}}{\mathrm{PMD4\_NIR}+\mathrm{PMD5\_SWIR}}$	Automatic
32	Sentinel-2A	433-2280	13	$\frac{\mathrm{8a}-\mathrm{11}}{\mathrm{8a}+\mathrm{11}}$	Automatic
33	SEVIRI	560-14400	12	$\frac{\mathrm{VIS\_0.8\_}-\mathrm{IR\_1.6\_}}{\mathrm{VIS\_0.8\_}+\mathrm{IR\_1.6\_}}$	Automatic
34	SPOT 4	500-1750	5	$\frac{\mathrm{near\_infrared}-\mathrm{middle\_infrared}}{\mathrm{near\_infrared}+\mathrm{middle\_infrared}}$	Automatic
35	SPOT 5	480-1750	5	$\frac{\mathrm{near\_infrared}-\mathrm{shortwave\_infrared}}{\mathrm{near\_infrared}+\mathrm{shortwave\_infrared}}$	Automatic
36	VIIRS	412-13350	22	$\frac{\mathrm{DNB}-\mathrm{M10}}{\mathrm{DNB}+\mathrm{M10}}$	Automatic
37	VIRR	430-12500	10	$\frac{2-6}{2+6}$	Automatic
38	WorldView-3	400-2365	29	$\frac{\mathrm{Near\_IR1}-\mathrm{SWIR\_3}}{\mathrm{Near\_IR1}+\mathrm{SWIR\_3}}$	Automatic

Applications

Nr.	Name	Comment
1	Vegetation - Water

References

Nr.	Author/Title	Year	Comment
1	Fensholt, Rasmus; Sandholt, Inge - Derivation of a shortwave infrared water stress index from MODIS near- and shortwave infrared data in a semiarid environment	2003

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Visualisation of Sensor-Bands

Index:

Sensors:

AHS

AISA

ALI

ARIES-1

ASTER

AVHRR

AVIRIS

Azimuth Systems AZ-16

Daedalus

DAIS-7915

EnMap

GLI

HYDICE

HyMap

Hyperion

INSAT-2E

IRS-1C

IRS-1D

IRS-P4

Landsat 8

LandsatETM+ (Landsat7)

LandsatTM (Landsat4,5)

MERSI

MIPAS

MMR

MODIS

MSU-MR

MVISR

Orbview-4

Resource21

SCIAMACHY

Sentinel-2A

SEVIRI

SPOT 4

SPOT 5

VIIRS

VIRR

WorldView-3

List of Indices