Table 3 Soil type and canal seepage according to Moritz's equation.

From: Introducing winter rice cropping by using non-saline tidal water influx in western basins of South 24 Parganas, India

Point name

Soil type

Mean velocity (m/s)

Mean discharge (m3/s)

Seepage per km (m3 day−1 km−1)

Canal seepage (m3/s)

Upper Keorapukur Khal

Clayey

0.21

1.33

3437.94

0.58

Hotor Khal

Clayey

0.86

37.52

8845.63

2.08

Suryapur Inner Channel

Loamy

1.64

86

9675.04

1.92

Usti Nainan Outfall Channel

Loam

1.3

217.03

17,301.7

2.24

Kata Khal

Loamy

1.35

55.7

8601.28

0.82

Sangrampur Khal

Clayey Loam

0.81

40.46

9464.21

1.33

Joynagar Khal

Loamy

1.65

41.18

6680.07

0.42

Upper Dhanpota Khal

Loamy

0.21

4.62

6286.14

0.59

Hara Khal

Clayey

1.32

65.46

9401.67

2.38

Kulpi Khal

Clayey

1.6

64.04

8466.56

1.66

Upper Hatuganj Khal

Loamy

0.43

3.47

3785.09

0.17

Nazra Khal

Loamy

0.32

10.35

7677.49

0.34

Srichanda Khal

Clayey

0.37

34.11

12,771.2

1.42

Dasani Khal

Clayey

0.98

24.74

6703.04

1.3

Diamond Harbour Creek

Loamy

2.21

546.48

21,056.9

3.87

Kholakhali Khal

Clayey

1.35

102.21

11,629.8

0.93

Lower Keorapukur Khal

Loamy

1.32

28.22

6179.88

1.09

Lower Hatuganj Khal

Loamy

0.57

6.19

4414.16

0.53

Adi Ganga Canal

Clayey Loam

0.77

24.71

7585.59

1.62

Lower Dhanpota Khal

Clayey

0.12

0.07

1021.95

0.08

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