Information for Sensor and Index

Formula

General Formula	$\frac{857nm - 1241nm}{857nm + 1241nm}$
Specific Formula	$\frac{2 - 5}{2 + 5}$
Calculated	Automatic
Comment

Sensor

Name	MODIS
Full Name	Moderate-resolution Imaging Spectroradiometer
Bands	36
Spectrum [nm]	405-14385
Spat.Res. [m]	250-1000
Inclination	0
Platform	Terra / Aqua
Operator	NASA (National Aeronautics and Space Administration)
Date of Launch	1999-12-18
Comment	Terra: Date of launch: 18 December 1999 - operating nominally in 2012 Aqua: Date of launch: 4 May 2002 - operating nominally in 2012
Usable for Indices	yes
Description

Index

Name	Normalized Difference 857/1241 Normalized Difference Water Index
Abbreviation	NDWI2
Formula	$\frac{857nm - 1241nm}{857nm + 1241nm}$
Variables
Expl. of Variables
Wavelengths	857,1241
Source	Original formula
Description

References

Nr.	Author/Title	Year	Comment
1	Serrano, Lydia; Ustin, Susan L.; Roberts, Dar A.; Gamon, John A.; PeÃ±uelas, Josep - Deriving Water Content of Chaparral Vegetation from AVIRIS Data	2000

Visualisation

Sensor

Index