Information for Sensor and Index

Formula

General Formula	$\frac{860nm - 1240nm}{860nm + 1240nm}$
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 860/1240 Normalized Difference Water Index
Abbreviation	NDWI
Formula	$\frac{860nm - 1240nm}{860nm + 1240nm}$
Variables
Expl. of Variables
Wavelengths	860,1240
Source	Original formula
Description

References

Nr.	Author/Title	Year	Comment
1	Ceccato, Pietro; Gobron, Nadine; Flasse, StÃ©phane; Pinty, Bernard; Tarantola, Stefano - Designing a spectral index to estimate vegetation water content from remote sensing data: Part 1: Theoretical approach	2002
2	Gao, Bo-cai - NDWIâ€”A normalized difference water index for remote sensing of vegetation liquid water from space	1996
3	Zarco-Tejada P.J.; Sepulcre-CantÃ³, G. - REMOTE SENSING OF VEGETATION BIOPHYSICAL PARAMETERS FOR DETECTING STRESS CONDITION AND LAND COVER CHANGES	2007
4	Zarco-Tejada, P. J.; Rueda, C. A.; Ustin, S. L. - Water content estimation in vegetation with MODIS reflectance data and model inversion methods	2003

Visualisation

Sensor

Index