November 2001
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Lana et al. (2001) Patterns of monthly rainfall shortage and excess in terms of the standardized precipitation index for Catalonia (NE Spain)
This study analyzes the spatial and temporal patterns of rainfall shortage and excess in Catalonia (NE Spain) using monthly precipitation data from 99 rain gauges (1961-1990), revealing distinct regionalizations linked to topography and a trend of increasing shortage and decreasing excess over the study period.