Chlorophyll-a monitoring in reservoirs on open source geospatial platforms: Case study – public water supply sources in the São Paulo Metropolitan Region (RMSP). Research, Society and Development, [S. l.], v. 14, n. 2, p. e4614248227, 2025. DOI: 10.33448/rsd-v14i2.48227. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/48227. Acesso em: 28 jun. 2025.