Percentage of Europe experiencing moderate drought conditions during the 20th century

Figure Created 12 Nov 2009 Published 12 Nov 2009 Last modified 29 Nov 2012
Expressed as standardized precipitation indices (SPI) for time scales of 12 months



Additional information

The dashed line shows the linear trend. Errors are ± 2 standard errors in the gradient.
Geographical coverage note: Europe

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