历时t

开始水头 h 1 (cm)

终了水头 h 2 (cm)

2.3 a L A t (cm/s)

lg h 1 h 2

水温20℃时的渗透系数 k 20 (cm/s)

开始 t 1

终止 t 2

历时t

16:06

16:21

900

665

650

6.86 × 10−4

9.91 × 10−3

5.66 × 10−6

16:21

16:36

900

650

636

6.86 × 10−4

9.46 × 10−3

5.41 × 10−6

16:36

16:51

900

636

622

6.86 × 10−4

9.67 × 10−3

5.53 × 10−6

16:52

17:02

600

900

885

1.03 × 10−3

7.30 × 10−3

6.26 × 10−6

17:02

17:12

600

885

872

1.03 × 10−3

6.43 × 10−3

5.52 × 10−6

17:12

17:22

600

872

860

1.03 × 10−3

6.02 × 10−3

5.17 × 10−6

17:23

17:33

600

990

973

1.03 × 10−3

7.52 × 10−3

6.45 × 10−6

17:33

17:43

600

973

960

1.03 × 10−3

5.84 × 10−3

5.01 × 10−6

17:43

17:53

600

960

946

1.03 × 10−3

6.38 × 10−3

5.47 × 10−6

17:56

18:06

600

727

716

1.03 × 10−3

6.62 × 10−3

5.68 × 10−6

18:06

18:16

600

716

705

1.03 × 10−3

6.72 × 10−3

5.77 × 10−6

18:16

18:26

600

705

694

1.03 × 10−3

6.83 × 10−3

5.86 × 10−6

18:35

18:45

600

998

982

1.03 × 10−3

7.02 × 10−3

6.02 × 10−6

18:45

18:55

600

982

967

1.03 × 10−3

6.69 × 10−3

5.74 × 10−6

18:55

19:05

600

967

954

1.03 × 10−3

5.88 × 10−3

5.04 × 10−6

19:17

19:27

600

934

921

1.03 × 10−3

6.09 × 10−3

5.23 × 10−6

19:27

19:37

600

921

909

1.03 × 10−3

5.70 × 10−3

4.89 × 10−6

19:37

19:47

600

909

896

1.03 × 10−3

6.26 × 10−3

5.37 × 10−6