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Spatial and temporal variability of droughts in Portugal
Santos, João Filipe; Pulido-Calvo, Inmaculada; Portela, Maria ManuelaAn analysis of droughts in Mainland Portugal based on monthly precipitation data, from September 1910 to October 2004, in 144 rain gages distributed uniformly over the country is presented. The drought events were characterized by means of the Standardized Precipitation Index (SPI) applied to different time scales (1, 6 and 12 consecutive months and 6 months from April to September and 12 months from October to...
Spatial and temporal variability of droughts in Portugal
Santos, João Filipe; Pulido-Calvo, Inmaculada; Portela, Maria ManuelaAn analysis of droughts in Mainland Portugal based on monthly precipitation data, from September 1910 to October 2004, in 144 rain gages distributed uniformly over the country is presented. The drought events were characterized by means of the Standardized Precipitation Index (SPI) applied to different time scales (1, 6 and 12 consecutive months and 6 months from April to September and 12 months from October to...
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