S2Short-wave Infrared (SWIR) 2.
CWICoastal Water Index
WaterMultispectralCitation Rank #278
Skip to content No radar polarizations are used in this index. No constants are used in this index.
Summary
The Coastal Water Index (CWI) is a water spectral index intended for multispectral sensing. It was introduced in 2020; its source is cited as Debabrata Ghorai, & Manik Mahapatra (2020). Extracting Shoreline from Satellite Imagery for GIS Analysis. Remote Sensing in Earth Systems Sciences, 3(1-2). https://doi.org/10.1007/s41976-019-00030-w .
Based on the latest citation data, this index is in the 12.62th percentile overall, ranking 278 out of 317 indices with citation data. Among the 76 indices published within two years of 2020, it ranks 60 (22.37th percentile). Within the water application domain, it is in the 18.75th percentile and ranks 27 out of 32 indices with citation data. Among the 14 similarly aged water indices, it ranks 12 (21.43th percentile).
Formula
(spatial_max(S2) * B) / (spatial_max(B) * S2)Bands
BBlue.
Polarizations
Constants
Reductions
spaceContext shared by the formula's spatial reduction functions.
ScopeArea of interest (AOI)