Figure 8
From: Projections of meteorological drought severity-duration variations based on CMIP6
Joint drought returns periods (years) and Standardized Precipitation Evapotranspiration Index (SPEI) on a 12-month scale in the observation period (1990–2018) for each of the five clusters in Iran. (a) Cluster 1, (b) Cluster 2, (c) Cluster 3, (d) Cluster 4 and (e) Cluster 5.
