Fig. 2From: The impact of long dry periods on the aboveground biomass in a tropical forest: 20 years of monitoringCalibrated drought severity index (scPDSI) for the region of Véu de Noiva Forest of Valley, located in the Chapada dos Guimarães National Park, Brazil. With emphasis on prolonged periods of drought in the years 2002, 2005, 2010 and 2016Back to article page