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Normalized difference water index information


Normalized Difference Water Index (NDWI) may refer to one of at least two remote sensing-derived indexes related to liquid water:

One is used to monitor changes in water content of leaves, using near-infrared (NIR) and short-wave infrared (SWIR) wavelengths, proposed by Gao in 1996:[1]

Another is used to monitor changes related to water content in water bodies, using green and NIR wavelengths, defined by McFeeters (1996):

  1. ^ Gao, Bo-Cai (1996). "NDWI—A normalized difference water index for remote sensing of vegetation liquid water from space" (PDF). Remote Sensing of Environment. 58 (3): 257–266. Bibcode:1996RSEnv..58..257G. doi:10.1016/S0034-4257(96)00067-3. Retrieved August 5, 2021.

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Normalized difference water index

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