Table 5.3 Channel characteristics at sites inspected September 20-22, 1995.

 

Parameter

Site

 

11

9a

9

12

10

13

15 - Lulua L. Outlet

4

1 - 25 m above mouth

NTS map sheet

92 N/16

92 N/16

92 N/16

92 N/16

92 N/16

92 N/16

92 N/16

92 O/13

92 O/13

Sub-basin

UB

UB

UB

UB

UB

UB

UB

LB

LB

Latitude N

51° 52.7’

51° 52.0’

51° 51.8’

51° 52.9’

51° 52.9’

51° 52.9’

51° 53.1’

51° 56.2’

51° 55.4’

Longitude W

124° 14.7’

124° 14.8’

124° 14.6’

124° 15.2’

124° 17.9’

124° 15.2’

124° 09.9’

123° 57.3’

123° 49.1’

Date inspected

20/9/95

20/9/95

20/9/95

20/9/95

21/9/95

21/9/95

21/9/95

22/9/95

23/9/95

Channel bankful width (Wb), m

1.8

0.5

2.1

-

1.0

0.3

4.2

4.3

1.8

Stream width (w), m

1.8

0.5

2.0

-

0.9

0.3

4.2

3.9

1.8

Average flow depth (d), m

0.49

0.25

0.15

-

0.16

0.05

0.61

0.19

0.25

Diameter of largest bed particle (D), m

0.04

0.01

0.15

-

0.20

0.005

0.03

0.16

2.5

Relative roughness (=D/d)

0.08

0.04

1

-

1.25

0.1

0.05

0.79

10

Velocity (v), m/s

0.07

 

0.40

-

0.093

-

0.143

0.29

-

Discharge (Q), m3/s

0.006

0.003

0.127

-

0.010

-

0.338

0.215

-

Gradient (S), %

2

2

2

-

6

-

1

1.5

23

Power index (=WbdS)

1.8

0.3

0.6

-

1.0

-

2.6

1.0

10.4

Substrate

g, c, fi

g, fi

 

g,c,b,fi

b,fi,g,c

g,fi

fi, g, c

g,c,b (riffles),

fi (pools)

b,c,g,fi