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Remote Sensing Letters

The use of the Normalized Difference Water Index (NDWI) in the delineation of open water features

Pages 1425-1432 | Received 25 May 1995, Accepted 04 Jan 1996, Published online: 27 Apr 2007
 

Abstract

The Normalized Difference Water Index (NDWI) is a new method that has been developed to delineate open water features and enhance their presence in remotely-sensed digital imagery. The NDWI makes use of reflected near-infrared radiation and visible green light to enhance the presence of such features while eliminating the presence of soil and terrestrial vegetation features. It is suggested that the NDWI may also provide researchers with turbidity estimations of water bodies using remotely-sensed digital data.

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