S2Short-wave Infrared (SWIR) 2.
CWICoastal Water Index
WaterMultispectralCitation Rank #275
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 12.46th percentile overall, ranking 275 out of 313 indices with citation data. Among the 73 indices published within two years of 2020, it ranks 57 (23.29th percentile). Within the water application domain, it is in the 19.35th percentile and ranks 26 out of 31 indices with citation data. Among the 13 similarly aged water indices, it ranks 11 (23.08th 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)