Influence of Altitude on the Spatiotemporal Variations of Meteorological Droughts in Mountain Regions of the Free State Province, South Africa (1960–2013)

<div>(a) Proportion of severe (extreme) droughts to total drought frequencies (SPI ≤ 0.524) and (b) composite SPIs for Clusters 1, 2, and 3 during the OND subseason. The composite years are 1965, 1972, 1990, 1994, and 1997.</div>

Advances in Meteorology

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Figure 4

Figure 4: Influence of Altitude on the Spatiotemporal Variations of Meteorological Droughts in Mountain Regions of the Free State Province, South Africa (1960–2013) 

Figure 4 | Influence of Altitude on the Spatiotemporal Variations of Meteorological Droughts in Mountain Regions of the Free State Province, South Africa (1960–2013) 