A New Spectral Index for Mapping Water Surfaces in Urban Contexts PDF - Justiniano, Eduardo Felix; Kawakubo, Fernando Shinji; Santos Junior, Edimilson Rodrigues dos; Melo, Breno Malheiros de; Fantin, Marcel; Menezes, Gustavo Paixão (IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2025)