Drought Assessment in the São Francisco River Basin Using Satellite-Based and Ground-Based Indices. - Franklin Paredes-Trejo; Humberto Alves Barbosa; Jason Giovannettone; T. V. Lakshmi Kumar; Manoj Kumar Thakur; Catarina de Oliveira Buriti; Carlos Uzcátegui-Briceño (Remote. Sens., 2021)