Drought assessment using multi-sattelite remote sensing in Brazil
Vitor Rebello1, Augusto Getirana2, Otto CorrĂȘa Rotunno Filho1 and Venkataraman Lakshmi3, (1)UFRJ Federal University of Rio de Janeiro, Rio De Janeiro, Brazil, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)University of Virginia, Civil and Environmental Engineering, Charlottesville, United States