Mapping of climatic parameters under climate change impacts in Iran

Figures & data

Figure 1. Distribution across Iran of the synoptic meteorological stations used in this research.

Table 1. Properties of meteorological stations used in this research.

Station	Lat.^1	Long.^2	P (mm)^3	T (ºC)^4	Station	Lat.	Long.	P (mm)	T (ºC)
Abadan	30.37	48.25	128	25.15	Saghez	36.25	46.27	422	11.55
Ahvaz	31.33	48.67	196	24.8	Sanandaj	35.33	47.00	470	13.55
Anzali	37.47	49.47	1780	16	Semnan	35.55	53.38	105	17.65
Arak	34.10	49.40	354	13.95	Shahrekord	32.32	50.85	285	11.95
Babulsar	36.72	52.65	813	16.7	Shahroud	36.42	55.03	135	14.3
Bakhtaran	34.27	47.12	443	14.05	Shiraz	29.53	52.58	323	17.15
Bam	29.10	58.40	67	22.3	Tabas	33.60	56.90	74	21.05
Bandarabbas	27.22	56.37	139	27.4	Tabriz	38.08	46.28	222	11.85
Bandarlengeh	26.58	54.83	81	26.1	Tehran	35.68	51.32	226	16.65
Birjand	32.87	59.20	161	16.95	Torbat- Hey.	35.27	59.22	237	14.45
Bushehr	28.98	50.83	256	24.25	Varamin	35.35	51.68	156	16.5
Chabahar	25.42	60.75	87	26.1	Yazd	31.90	54.40	57	18.85
Dezful	32.40	48.38	366	24.35	Zabol	31.33	61.48	54	21.75
Esfahan	32.62	51.07	110	15.8	Zahedan	29.47	60.88	108	18.25
Fasa	28.97	53.68	219	19.25	Zanjan	36.23	48.48	320	11.45
Garmsar	35.25	52.17	100	17.55	Khoramabad	33.50	48.30	516	17.95
Ghazvin	36.25	50.00	285	14.5	Khoy	38.55	44.97	269	12.5
Gorgan	36.82	54.47	655	17.8	Mashhad	36.27	59.63	239	13.6
Iranshahr	27.20	60.70	81	26.6	Nowjeh	35.20	48.72	343	11.5
Jask	25.63	57.77	152	26.7	Orumiyeh	37.53	45.08	367	12.3
Kashafrud	35.98	60.83	284	17.15	Ramsar	36.90	50.67	1234	15.9
Kashan	33.98	51.45	134	19.5	Rasht	37.25	49.60	1278	15.6
Kerman	30.25	56.97	164	15.9	Sabzevar	36.22	57.67	155	16.5

¹Geographical latitude, ²Geographical longitude, ³Mean annual precipitation, ⁴Mean annual temperature.

Figure 2. Proposed methodology for study of climate change impacts on temperature, precipitation and potential evapotranspiration in this research.

Figure 3. Maps of precipitation values in the base and future time periods under scenario A2. (a) Base period; scenario A2 for (b) 2010–2039, (c) 2040–2069, (d) 2070–2099.

Figure 4. The values of maximum, mean, minimum and standard deviation of precipitation in the base and future time periods under scenario A2.

Figure 5. Maps of precipitation values in the base and future time periods under scenario B2. (a) Base period; scenario B2 for (b) 2010–2039, (c) 2040–2069, (d) 2070–2099.

Figure 6. The values of maximum, mean, minimum and standard deviation of precipitation in the base and future time periods under scenario B2.

Figure 7. Maps of temperature values in the base and future time periods under scenario A2. (a) Base period; scenario A2 for (b) 2010–2039, (c) 2040–2069, (d) 2070–2099.

Figure 8. The values of maximum, mean, minimum and standard deviation of temperature in the base and future time periods under scenario A2.

Figure 9. Maps of temperature values in the base and future time periods under scenario B2. (a) Base period; scenario B2 for (b) 2010–2039, (c) 2040–2069, (d) 2070–2099.

Figure 10. The values of maximum, mean, minimum and standard deviation of temperature in the base and future time periods under scenario B2.

Figure 11. Maps of potential evapotranspiration values in the base and future time periods under scenario A2. (a) Base period; scenario A2 for (b) 2010–2039, (c) 2040–2069, (d) 2070–2099.

Figure 12. The values of maximum, mean, minimum and standard deviation of potential evapotranspiration in the base and future time periods under scenario A2.

Figure 13. Maps of potential evapotranspiration values in the base and future time periods under scenario B2. (a) Base period; scenario B2 for (b) 2010–2039; (c) 2040–2069; (d) 2070–2099.

Figure 14. The values of maximum, mean, minimum and standard deviation of potential evapotranspiration in the base and future time periods under scenario B2.

Table 2. Extreme values of P, T and ET for 2010–2039 under scenarios A2 and B2.

Station	Location in Iran	A2			B2
		P	T	ET	P	T	ET
Anzali	North	1856.1*	17.4	822.1	1786.5	17.6	822.3
Khoy	Northwest	247.3^#	14.1	829.4	233.6	14.5*	851.4
Abadan	Southwest	122.5	26.7*	1466.6	121.7	26.8	1487.5
Ahwaz	Southwest	206.5	26.4*	1575.9	195.9	26.6	1591.1
Chabahar	Southeast	79.3	26.9^#	1159.4	70.2	26.9	1159.4
Garmsar	Centre	100.7	19.1	1587.2*	94.3	19.2	1621.3*
Iranshahr	Southeast	92.8	27.8	1661.5^#	86.4	27.6	1684.0^#
Bushehr	South	252.4	25.4	1086.5	276.5*	25.5	1089.1
Sanandaj	West	470.6	15.1	955.3	429.5^#	15.4	987.7
Babolsar	North	861.4	17.6	818.1	818.0	17.5^#	814.6
Zahedan	South	121.6	19.5	1422.4	120.7	19.3	1422.9^#

Bold values indicate extreme variations; ^#highest decrease or lowest increase; *highest increase.

Table 3. Extreme values of P, T and ET for 2040–2069 under scenarios A2 and B2.

Station	Location in Iran	A2			B2
		P	T	ET	P	T	ET
Khoramabad	West	561.7*	20.9	1290.6	554.3*	20.6	1293.5
Shiraz	South	270.5^#	20.0	1452.8	285.4^#	19.6	1487.5
Khoy	North	238.1	15.6*	883.5	246.7	15.3*	869.8
Chabahar	Southeast	72.7	27.7^#	1179.8	84.4	27.5^#	1176.4
Garmsar	Centre	98.0	20.4	1697.1*	97.9	20.2	1689.3*
Iranshahr	Southeast	66.4	29.0	1755.2^#	75.1	29.3	1693.9
Babolsar	North	830.6	18.6	839.3	841.4	18.4	834.7^#

Table 4. Extreme values of P, T and ET for 2070–2099 under scenarios A2 and B2.

Station	Location in Iran	A2			B2
		P	T	ET	P	T	ET
Babolsar	North	835.0*	19.8	866.7	818.9	19.0	850.1
Anzali	North	1555.8^#	20.9	890.7	1709.0	19.6	866.1
Chabahar	Southeast	85.5	28.7^#	1206.5^#	71.8	28.2^#	1193.0
Saghez	West	337.3	17.0*	1366.1	390.5	15.6*	1211.0
Garmsar	Centre	83.1	22.7	2054.6*	92.4	21.3	1805.0*
Shiraz	South	250.9	22.0	1612.4	251.8^#	20.7	1548.5
Mashhad	Northeast	227.9	18.2	1067.9	251.3*	16.8	990.5
Iranshahr	Southeast	54.5	31.1	1798.2	61.7	30.0	1757.3^#