Figure 6
From: Projections of meteorological drought severity-duration variations based on CMIP6

The most severe drought based on meteorological drought index (SPI) on a 12-month scale in the future period (2022–2100) for each of five clusters in Iran. (a) Cluster 1, (b) Cluster 2, (c) Cluster 3, (d) Cluster 4 and (e) Cluster 5.