Drought trends projection under future climate change scenarios for Iran region

Table 5. Frequency of the SPEI based on the percentage of months under the A1B scenario. Extreme wet Severe wet Moderate wet Normal Moderate drought Severe drought Extreme drought Ahvaz 2011–2044 1.96 11.03 19.36 61.27 5.39 0.98 0.00 2045–2078 0.98 4.90 4.90 78.43 8.09 2.70 0.00 2079–2112 1.47 4.41 3.19 54.90 20.83 14.22 0.98 Arak 2011–2044 2.94 8.82 16.91 62.01 8.33 0.98 0.00 2045–2078 0.25 5.88 7.84 71.81 12.01 2.21 0.00 2079–2112 0.49 5.15 6.62 49.02 28.43 9.31 0.98 Ardebil 2011–2044 4.41 7.11 15.69 62.01 9.31 1.23 0.25 2045–2078 0.98 4.90 8.58 71.57 8.58 4.41 0.98 2079–2112 0.74 3.19 6.86 61.03 18.14 7.35 2.70 Bandar abas 2011–2044 3.19 9.56 14.46 68.38 4.17 0.25 0.00 2045–2078 1.96 6.13 8.82 71.81 10.05 0.74 0.49 2079–2112 0.25 5.15 4.90 59.07 20.83 8.09 1.72 Birjand 2011–2044 3.68 8.58 21.32 61.76 3.68 0.74 0.25 2045–2078 0.25 4.17 6.86 77.94 8.82 1.72 0.25 2079–2112 0.49 3.19 4.90 52.45 21.81 16.42 0.74 Bojnoord 2011–2044 2.21 10.05 14.22 64.22 7.84 1.47 0.00 2045–2078 1.72 6.13 8.58 69.85 9.80 3.92 0.00 2079–2112 0.00 2.94 6.62 57.60 19.85 10.54 2.45 Boshehr 2011–2044 3.43 7.60 16.18 63.24 8.09 1.47 0.00 2045–2078 2.21 4.66 8.09 67.65 13.97 2.70 0.74 2079–2112 1.72 4.17 6.37 60.29 18.14 7.11 2.21 Esfahan 2011–2044 3.43 7.84 24.26 58.82 4.90 0.74 0.00 2045–2078 0.74 4.41 7.11 75.74 10.05 1.96 0.00 2079–2112 1.23 3.68 6.37 49.02 26.96 10.78 1.96

Ghazvin 2011–2044 1.72 10.54 20.83 59.56 5.88 1.23 0.25 2045–2078 0.25 4.17 11.27 72.30 9.56 1.96 0.49 2079–2112 0.74 3.92 6.86 53.19 23.77 10.29 1.23 Ghom 2011–2044 3.43 9.31 18.38 62.75 5.39 0.74 0.00 2045–2078 0.98 4.66 6.86 75.98 7.35 4.17 0.00 2079–2112 1.23 3.19 5.39 54.41 22.79 11.27 1.72 Gorgan 2011–2044 2.94 6.37 12.99 65.93 8.33 3.19 0.25 2045–2078 1.47 5.88 9.31 66.42 12.01 4.17 0.74 2079–2112 1.47 4.17 10.05 59.80 14.46 8.58 1.47 Hamedan 2011–2044 3.68 6.13 13.24 67.65 7.35 1.72 0.25 2045–2078 1.23 4.90 7.35 73.77 10.05 2.45 0.25 2079–2112 1.72 3.19 6.62 51.72 26.23 9.07 1.47 Ilam 2011–2044 1.72 6.62 25.00 58.33 5.15 3.19 0.00 2045–2078 1.72 3.68 8.33 74.75 8.58 2.21 0.74 2079–2112 1.72 3.92 6.62 55.64 21.32 8.82 1.96 Karaj 2011–2044 2.21 9.80 18.38 62.01 6.13 1.47 0.00 2045–2078 0.49 4.66 7.60 73.77 9.56 3.92 0.00 2079–2112 1.23 4.17 7.11 51.47 21.81 12.50 1.72 Kerman 2011–2044 4.41 9.07 16.91 64.71 3.68 1.23 0.00 2045–2078 0.49 3.43 8.82 77.45 7.11 2.45 0.25 2079–2112 0.25 3.43 4.90 53.19 22.55 12.99 2.70 (Continued) PLOS ONE Drought trends projection under future climate change scenarios for Iran region PLOS ONE | https://doi.org/10.1371/journal.pone.0290698 November 9, 2023 13 / 24