Urban flood susceptibility evaluation and prediction during 2010–2030 in the southern watersheds of Mashhad city, Iran

Environmental Systems Research

Table 2 Main physical characteristics of the watersheds

Watershed	Area (km²)	River length (km)	Δ height (km)	Max. altitude (m)	Min. altitude (m)	Soil unit	Slope (%)
W1	1.72	2.40	0.32	1440	1120	Mollisols	> 15
W2	1.77	2.60	0.38	1520	1140	Mollisols	> 15
W3	1.14	2.50	0.40	1520	1120	Entisols	> 15
W4	1.33	1.90	0.36	1520	1160	Mollisols	> 15
W5	1.01	1.60	0.19	1350	1160	Mollisols	> 15
W6	0.67	1.10	0.14	1270	1130	Mollisols	> 15
W7	1.16	1.50	0.10	1180	1080	Mollisols	< 5
W8	0.45	1.40	0.13	1250	1120	Entisols	5–15
W9	1.72	1.50	0.08	1150	1070	Mollisols	< 5
W10	3.11	2.90	0.06	1080	1020	Vertisols	< 5
W11	1.11	1.90	0.30	1500	1200	Mollisols	> 15
W12	0.92	1.90	0.27	1470	1200	Mollisols	> 15
W13	0.91	1.40	0.20	1400	1200	Mollisols	> 15
W14	0.59	1.10	0.14	1300	1160	Mollisols	> 15
W15	1.20	1.30	0.20	1330	1130	Mollisols	5–15
W16	2.25	2.50	0.25	1350	1100	Vertisols	5–15
W17	2.50	1.80	0.05	1140	1090	Vertisols	< 5
W18	1.09	1.70	0.17	1300	1130	Entisols	> 15
W19	0.76	1.20	0.20	1280	1080	Mollisols	5–15
W20	1.77	2.50	0.18	1260	1080	Mollisols	5–15
W21	2.74	3.20	0.05	1080	1030	Vertisols	< 5
W22	4.43	4.70	0.06	1090	1030	Vertisols	< 5