Research Article
Influence of Altitude on the Spatiotemporal Variations of Meteorological Droughts in Mountain Regions of the Free State Province, South Africa (1960–2013)
Figure 3
Temporal manifestation of the SPI (bars) for (a) OND and (b) JFM at provincial level. In the insert are the 10-year running variance envelope (solid lines) and mean (dashed line). The SPI is from 1960 to 2013.
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