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Droughts are complex phenomena with a multitude of definitions mainly dependent on their timing/duration and associated impacts. In general, they refer to prolonged periods of time with abnormally below average moisture conditions, during which limitations in water availability result in negative...

Drought projections on seasonal to annual time scales are presented for Canada over the twenty-first century, based on the Standardized Precipitation Evapotranspiration Index (SPEI). Results make use of bias-corrected temperature and precipitation projections from 29 global climate models...