Research Article
Drought Trends in the Iberian Peninsula over the Last 112 Years
Table 2
As in Table
1, but for SPI, SPEI, and the difference between SPEI and SPI. The slope values shown were multiplied by 10
−3.
| Period | SPI | SPEI | SPEI-SPI | Trend | | Intercept | Trend | | Intercept | Trend | | Intercept |
| 1901–2012 | N.S. | 0.0 | −0.01 | − | 0.7 | 0.45 | − | 0.6 | 0.42 | 1901–1937 | N.S. | 0.0 | −0.04 | NS | 0.4 | 0.29 | − | 0.6 | 0.42 | 1938–1974 | + | 1.9 | −0.33 | + | 1.9 | −0.31 | NS | 0.1 | 0.03 | 1975–2012 | N.S. | 0.2 | −0.24 | − | 1.7 | −0.10 | − | 1.8 | 0.17 |
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×10−3.
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