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Environmental Systems Research

Table 5 Time of concentration, outlet cross-section, and flood susceptibility of the watersheds within three periods of 2010, 2020, and 2030

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

Watershed

Time of concentration (s)

2010 outlet cross section (m2)

2020 outlet cross section (m2)

2030 outlet cross section (m2)

2010 flood susceptibility (m3/s)

2020 flood susceptibility (m3/s)

2030 flood susceptibility (m3/s)

W1

971

0.54

0.91

1.89

1.32

2.25

4.67

W2

997

0.52

0.89

1.23

1.36

2.32

3.21

W3

934

0.29

0.50

1.11

0.79

1.34

2.97

W4

709

0.38

0.65

0.90

1.03

1.75

2.42

W5

743

0.36

0.62

1.28

0.78

1.33

2.76

W6

542

0.25

0.65

0.90

0.52

1.31

1.82

W7

883

1.70

3.10

4.72

2.88

5.27

8.01

W8

737

0.13

0.42

0.58

0.24

0.80

1.11

W9

963

2.60

4.63

7.45

4.06

7.22

11.60

W10

2302

17.56

32.01

46.87

22.11

40.31

59.04

W11

760

0.34

0.58

0.80

0.85

1.45

2.01

W12

792

0.30

0.50

0.69

0.71

1.21

1.67

W13

625

0.31

0.53

1.11

0.70

1.20

2.48

W14

542

1.17

2.00

3.39

2.38

4.05

6.88

W15

573

1.50

2.97

4.74

3.41

6.74

10.74

W16

1120

0.39

1.72

2.38

0.87

3.84

5.31

W17

1424

3.72

7.80

11.42

4.70

9.86

14.44

W18

832

0.37

0.63

1.40

0.76

1.29

2.86

W19

523

0.21

0.61

0.84

0.47

1.40

1.94

W20

1271

1.34

2.28

3.68

2.64

4.49

7.24

W21

2767

3.74

6.62

9.68

4.33

7.66

11.19

W22

4022

7.23

13.77

19.67

8.45

16.09

22.98

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