Index: Normalized Difference Salinity Index

Normalized Difference Salinity Index

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Basic information

Name	Normalized Difference Salinity Index
Abbreviation	NDSI
Formula	$\frac{\mathrm{[1600:1700]}-\mathrm{[2145:2185]}}{\mathrm{[1600:1700]}+\mathrm{[2145:2185]}}$
Variables
Expl. of Variables
Wavelengths	1600:1700,2145:2185
Source	Derived from specific sensor formula
Description	Berechnung ASTER: B4-B5/B4+B5

Visualisation of required spectral range

Sensors

Nr.	Name	Spectral Range	Bands	Specific Formula	Calculated	Comment
1	AHS	428.5-13140	80	$\frac{\mathrm{22}-\mathrm{45}}{\mathrm{22}+\mathrm{45}}$	Automatic
2	AISA	400-2506.7	498	$\frac{\mathrm{357}-\mathrm{442}}{\mathrm{357}+\mathrm{442}}$	Automatic
3	ALI	433-2350	10	$\frac{\mathrm{MS\_\_\_5}-\mathrm{MS\_\_\_7}}{\mathrm{MS\_\_\_5}+\mathrm{MS\_\_\_7}}$	Automatic
4	ARIES-1	400-2587	105	$\frac{\mathrm{54}-\mathrm{77}}{\mathrm{54}+\mathrm{77}}$	Automatic
5	ASTER	520-11650	15	$\frac{\mathrm{SWIR\_Band4}-\mathrm{SWIR\_Band5}}{\mathrm{SWIR\_Band4}+\mathrm{SWIR\_Band5}}$	Automatic
6	AVIRIS	355.15-2515	224	$\frac{\mathrm{136}-\mathrm{189}}{\mathrm{136}+\mathrm{189}}$	Automatic
7	Azimuth Systems AZ-16	0-13000	12	$\frac{9-\mathrm{10}}{9+\mathrm{10}}$	Automatic
8	Daedalus	0-13000	12	$\frac{9-\mathrm{10}}{9+\mathrm{10}}$	Automatic
9	DAIS-7915	400-12600	79	$\frac{\mathrm{36}-\mathrm{49}}{\mathrm{36}+\mathrm{49}}$	Automatic
10	EnMap	420-2450	244	$\frac{\mathrm{164}-\mathrm{216}}{\mathrm{164}+\mathrm{216}}$	Automatic
11	GLI	375-12500	36	$\frac{\mathrm{28}-\mathrm{29}}{\mathrm{28}+\mathrm{29}}$	Automatic
12	HYDICE	400-2500	210	$\frac{\mathrm{125}-\mathrm{177}}{\mathrm{125}+\mathrm{177}}$	Automatic
13	HyMap	429-2493.8	126	$\frac{\mathrm{81}-\mathrm{107}}{\mathrm{81}+\mathrm{107}}$	Automatic
14	Hyperion	349.896-2582.28	242	$\frac{\mathrm{B150}-\mathrm{B201}}{\mathrm{B150}+\mathrm{B201}}$	Automatic
15	Landsat 8	435-12510	11	$\frac{\mathrm{SWIR\_1}-\mathrm{SWIR\_2}}{\mathrm{SWIR\_1}+\mathrm{SWIR\_2}}$	Automatic
16	LandsatETM+ (Landsat7)	450-12500	8	$\frac{\mathrm{SWIRI}-\mathrm{SWIRII}}{\mathrm{SWIRI}+\mathrm{SWIRII}}$	Automatic
17	LandsatTM (Landsat4,5)	450-12500	7	$\frac{\mathrm{SWIRI}-\mathrm{SWIRII}}{\mathrm{SWIRI}+\mathrm{SWIRII}}$	Automatic
18	MERSI	402-12750	20	$\frac{\mathrm{19}-\mathrm{20}}{\mathrm{19}+\mathrm{20}}$	Automatic
19	MIPAS	685-2410	5	$\frac{\mathrm{SWIR1}-\mathrm{SWIR2}}{\mathrm{SWIR1}+\mathrm{SWIR2}}$	Automatic
20	MMR	450-2300	7	$\frac{6-7}{6+7}$	Automatic
21	MODIS	405-14385	36	$\frac{6-7}{6+7}$	Automatic
22	Orbview-4	450-2450	200	$\frac{\mathrm{120}-\mathrm{172}}{\mathrm{120}+\mathrm{172}}$	Automatic
23	SASI600	950-2450	100	$\frac{\mathrm{47}-\mathrm{81}}{\mathrm{47}+\mathrm{81}}$	Automatic
24	Sentinel-2A	433-2280	13	$\frac{\mathrm{11}-\mathrm{12}}{\mathrm{11}+\mathrm{12}}$	Automatic
25	WorldView-3	400-2365	29	$\frac{\mathrm{SWIR\_3}-\mathrm{SWIR\_5}}{\mathrm{SWIR\_3}+\mathrm{SWIR\_5}}$	Automatic

Applications

Nr.	Name	Comment
1	Soil

References

Nr.	Author/Title	Year	Comment
1	Al-Khaier - Soil Salinity Detection Using Satellite Remotes Sensing	2003
2	Richardson, Andrew D.; Duigan, Shane P.; Berlyn, Graeme P. - An evaluation of noninvasive methods to estimate foliar chlorophyll content	2002

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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

Landsat 8

LandsatETM+ (Landsat7)

LandsatTM (Landsat4,5)

MERSI

MIPAS

MMR

MODIS

Orbview-4

SASI600

Sentinel-2A

WorldView-3

List of Indices