OR/15/040 Channel geometry data

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Whitbread, K. 2015. Channel geometry data set for the northwest Scottish Highlands. British Geological Survey Internal Report, OR/15/040.

The channel geometry data for each reach are given in Table 1.

Table 1 Channel geometry data
Catchment

Reach No.

Type

Cover
%

Main
lithology

Distancea
m

Slopeb

Areab
km2

Widthc
m

U(W)d

Depthc
m

U(D)d

River Canaird CN 2

BR

5

Gneiss 8130 0.123 25.7 14.60 1.00 2.95 0.80
CN 3 BR-AL

85

Gneiss 8250 0.005 25.6 11.68 1.50 1.85 0.50
CN 4

AL

100 Gneiss 8580 0.009 25.1 17.20 1.68 1.17 0.09
CN 5 BR-AL

90

Gneiss 9096 0.007 24.8 12.07 1.50 1.00 0.50
CN 6

BR

15

Gneiss 9190 0.021 24.8

9.55

1.00 2.50 0.80
CN 7 BR-AL

90

Gneiss 9300 0.011 24.3 17.65 1.50 0.75 0.50
CN 8

AL

100 Gneiss 9640 0.010 23.8 16.18 1.36 0.95 0.05
CN 9

BR

5

Gneiss 9990 0.066 23.5 12.95 1.00 1.70 0.70
CN 10 BR 50 Psammite 10220 0.060 23.3 7.90 2.19 4.67 1.72
CN 11 BR-AL 90 Psammite 11000 0.006 22.3 13.00 1.50 1.00 0.50
CN 12 BR 50 Psammite 11100 0.027 22.2 9.18 0.46 1.80 0.60
CN 13

BR

60

Psammite 11250 0.022 22.0

8.20

1.00 1.60 0.70
CN 14 BR-AL

95

Psammite 11500 0.030 21.9 11.79 1.50 1.20 0.50
CN 15

BR

70

Psammite 11540 0.028 21.7 10.00 1.00 2.50 0.70
CN 16 BR-AL

70

Psammite 12070 0.017 20.5 11.92 1.82 1.40 0.06
CN 17

BR

15

Psammite 12660 0.033 19.8 10.24 0.97 1.35 0.07
CN 18 BR-AL

75

Psammite 12770 0.018 19.7 16.02 3.71 3.71 0.29
CN 19

BR

60

Psammite 13000 0.073 17.5

7.66

2.78 3.55 0.72
CN 22

AL

100 Psammite 15830 0.007

8.2

6.09

0.75 0.80 0.07

River

CR 1

AL

100 Psammite 1682 0.004 300.6 51.69 2.14 2.62 0.20
CR 2

AL

100 Psammite 2014 0.003 300.0 44.90 1.80 3.15 0.18
CR 3

BR

70

Psammite 2530 0.003 299.5 28.48 3.43 3.85 0.08
CR 4 BR-AL

90

Psammite 2848 0.003 298.4 34.81 3.25 4.15 1.35
CR 5

BR

5

Psammite 3319 0.003 297.5 31.13 2.21 2.90 0.22
CR 6 BR-AL

60

Psammite 4058 0.004 294.7 32.52 1.40 2.96 0.46
River Carron CR 1

AL

100 Psammite 1682 0.004 300.6 51.69 2.14 2.62 0.20
CR 2

AL

100 Psammite 2014 0.003 300.0 44.90 1.80 3.15 0.18
CR 3

BR

70

Psammite 2530 0.003 299.5 28.48 3.43 3.85 0.08
CR 4 BR-AL

90

Psammite 2848 0.003 298.4 34.81 3.25 4.15 1.35
CR 5

BR

5

Psammite 3319 0.003 297.5 31.13 2.21 2.90 0.22
CR 6 BR-AL

60

Psammite 4058 0.004 294.7 32.52 1.40 2.96 0.46
CR 7

BR

40

Psammite 4643 0.003 289.3 22.84 2.16 4.28 0.57
CR 8 BR-AL

90

Psammite 5745 0.002 281.5 35.31 0.87 2.47 0.20
CR 9

AL

99.9 Psammite 8064 0.004 268.1 46.00 4.17 2.55 0.23
CR 10 BR-AL

50

Psammite 8654 0.004 261.4 39.29 4.74 2.57 0.41
CR 11

AL

100 Psammite 9731 0.005 256.8 41.09 2.23 2.54 0.26
CR 12 BR-AL

50

Psammite 9973 0.009 255.8 31.07 0.88 3.43 0.23
CR 13

AL

100 Psammite 10523 0.010 253.5 40.61 2.46 2.63 0.06
CR 14

BR

10

Psammite 11429 0.013 252.4 26.13 1.71 3.98 0.78
CR 15 BR-AL

50

Psammite 11680 0.005 249.2 32.83 0.68 3.03 0.13
CR 16

BR

5

Psammite 12509 0.017 246.9 16.99 1.87 5.97 1.01
CR 17 BR-AL

80

Psammite 13142 0.005 244.9 33.24 2.34 2.76 0.34
CR 18

AL

100 Psammite 13629 0.004 244.5 46.38 2.42 2.43 0.28
CR 19

BR

30

Psammite 13920 0.012 236.5 28.97 3.08 3.05 0.73
CR 20 BR-AL

50

Psammite 14217 0.001 235.7 35.72 1.88 3.25 0.45
CR 21

BR

5

Psammite 14592 0.017 234.8 22.44 3.69 2.79 0.60
CR 22

AL

100 Psammite 15169 0.006 234.2 40.05 1.48 2.03 0.27
CR 23

BR

30

Psammite 15331 0.014 233.1 31.86 1.33 3.63 0.27
CR 24

AL

90

Psammite 15803 0.007 232.4 29.74 0.34 2.32 0.17
CR 25 BR-AL

40

Psammite 16651 0.007 172.1 29.45 2.27 2.91 0.24
CR 26

AL

98

Psammite 17217 0.009 170.7 44.49 6.48 2.15 0.33
CR 27 BR-AL

85

Psammite 17611 0.005 165.9 31.13 1.67 3.24 0.47
CR 29 BR-AL

30

Psammite 18126 0.013 150.0 25.45 2.54 3.18 0.68
CR 30

BR

5

Psammite 18570 0.008 132.3 12.62 1.71 3.52 0.58
CR 31 BR-AL

85

Psammite 18701 0.007 114.8 23.83 0.56 2.38 0.63
CR 32

BR

5

Psammite 19284 0.029 114.0 14.23 0.64 3.71 0.37
CR 33

BR

5

Psammite 20516 0.014 110.1 19.61 2.49 3.42 0.61
CR 35

BR

5

Psammite 21403 0.040 107.6 14.65 1.46 5.12 0.59
CR 36

AL

100 Psammite 21615 0.013 91.3 23.76 0.78 2.10 0.12
CR 37

BR

20

Psammite 22825 0.024 72.2 15.98 1.07 3.64 0.52
CR 38 BR-AL

90

Psammite 23040 0.027 71.7 24.50 2.65 2.88 0.49
CR 39

AL

98

Psammite 23522 0.005 70.8 23.07 2.25 2.20 0.38
CR 40

AL

100 Psammite 23796 0.005 70.3 21.94 1.15 1.95 0.13
CR 41

AL

95

Psammite 24106 0.005 70.0 20.45 0.40 1.90 0.05
CR 42

BR

15

Psammite 24288 0.017 69.8 14.96 1.18 2.80 0.50
CR 43

AL

99

Psammite 26061 0.004 68.0 27.32 1.85 1.91 0.12
CR 44

AL

100 Psammite 26680 0.002 65.2 34.32 6.30 4.32 1.32
CR 45

AL

100 Psammite 27818 0.003 63.8 27.23 3.60 2.16 0.60
CR 46

BR

5

Psammite 27929 0.028 62.8 19.76 1.16 1.88 0.46
CR 47

AL

100 Psammite 28627 0.002 61.6 37.18 5.62 2.23 0.95
CR 48

AL

99

Psammite 29532 0.004 59.3 30.14 3.06 1.45 0.13
CR 49

BR

75

Semi-pelite 29834 0.014 58.2 18.13 0.98 2.36 0.42
CR 50

AL

99

Psammite 30412 0.008 57.6 23.13 1.67 1.69 0.26
CR 51

BR

25

Psammite 30991 0.035 55.4 17.00 0.91 2.12 0.24
CR 52

AL

99

Psammite 31375 0.013 55.0 24.60 1.46 1.45 0.09
CR 53

BR

5

Psammite 31873 0.031 54.4 21.11 1.67 1.34 0.18
CR 54

AL

100 Psammite 32366 0.005 53.9 27.70 3.44 3.68 0.82
CR 55

AL

100 Psammite 33569 0.004 46.2 20.19 2.39 1.46 0.06
CR 56

AL

98

Psammite 34067 0.008 41.1 19.11 0.85 1.54 0.09
CR 57

BR

10

Psammite 34653 0.028 35.7 16.71 0.96 1.51 0.10
CR 58 BR-AL

70

Psammite 35167 0.015 32.7 15.79 0.39 1.55 0.06
CR 59

BR

5

Psammite 35363 0.056 32.3 16.78 1.19 1.62 0.20
CR 60 BR-AL

70

Psammite 36415 0.021 31.5 14.85 0.56 1.49 0.05
CR 62

AL

100 Psammite 37385 0.006 27.6 16.76 1.33 1.91 0.06
CR 63

AL

99

Psammite 38085 0.003 25.6 16.31 0.59 1.78 0.05
CR 64

AL

100 Psammite 40393 0.009 19.3 18.84 0.93 1.24 0.13
CR 65

BR

80

Pelite 40511 0.024 14.2

9.98

0.78 1.60 0.03
CR 66

AL

98

Pelite 41300 0.027 10.1 12.87 1.73 1.23 0.05
CR 67

BR

65

Pelite 41554 0.048

9.0

8.82

0.61 1.10 0.06
CR 68

BR

30

Pelite 41712 0.072

8.8

9.06

0.59 1.57 0.14
CR 69

BR

15

Pelite 42238 0.163

4.5

6.16

0.56 2.20 0.21
CR 70

BR

50

Semi-pelite 42481 0.153

4.1

6.30

1.50 3.75 0.25
CR 71

BR

75

Fault

42766 0.062

4.0

8.35

1.25 1.57 0.16
CR 72

BR

30

Semi-pelite 42875 0.070

3.8

6.56

0.43 1.85 0.38
CR 73 BR-AL

70

Psammite 43181 0.101

3.5

6.04

0.74 1.29 0.13
CR 74

BR

50

Psammite 43501 0.130

2.4

5.24

0.51 1.36 0.15
CR 75

BR

10

Psammite 43621 0.184

2.0

4.70

0.84 1.26 0.22
CR 76

BR

80

Fault

43727 0.139

2.0

5.84

0.68 0.98 0.07
CR 77

BR

15

Psammite 43869 0.220

1.9

6.36

0.96 1.45 0.05
CR 78 BR-AL 90 Psammite 44175 0.078 1.7 4.76 0.55 0.91 0.10
CR 79 BR 50 Psammite 44275 0.129 1.3 4.45 0.83 0.82 0.09
CR 82 BR-AL 99 Psammite 44635 0.089 0.3 2.91 0.21 0.57 0.07
CR 83 BR-AL

85

Psammite 44681 0.026

0.3

3.79

0.95 0.57 0.09
River Elchaig

E 3

BR-AL

85

Psammite 5934 0.001 75.5 19.83 1.00 2.60 0.50

E 4

AL

100 Psammite 6030 0.001 73.3 26.90 1.00 1.85 0.60

E 5

BR-AL

80

Psammite 6210 0.014 72.9 22.58 1.00 2.70 0.50

E 6

BR

10

Psammite 6423 0.054 72.8 19.15 1.78 2.30 0.16

E 8

BR-AL

60

Gneiss 6825 0.0003 72.3 19.93 1.00 2.00 0.50

E 9

AL

100 Gneiss 6913 0.006 72.2 28.53 1.00 1.20 0.50
E 10 BR-AL

70

Gneiss 7031 0.016 71.8 24.05 1.88 2.05 0.05
E 12 BR-AL

90

Gneiss 7392 0.007 71.4 28.15 1.00 1.80 0.50
E 13

BR

15

Gneiss 7449 0.056 70.0 18.96 4.48 3.45 0.05
E 14

BR

20

Gneiss 7615 0.026 67.2 13.45 0.81 2.77 0.22
E 15

AL

100 Gneiss 7807 0.022 67.2 26.67 1.00 1.00 0.50
E 16

BR

50

Gneiss 7870 0.007 67.2 12.58 3.93 2.70 0.10
E 17

BR

60

Gneiss 7968 0.003 60.6 13.12 0.78 1.82 0.09
E 18 BR-AL

80

Gneiss 8260 0.003 59.5 19.99 2.14 1.70 0.30
E 20

AL

100 Gneiss 8855 0.009 58.7 24.21 1.81 1.50 0.00
E 21 BR-AL

95

Gneiss 9111 0.014 58.4 31.06 3.00 1.20 0.20
E 22

BR

90

Gneiss 9351 0.020 58.1 16.99 2.72 4.63 0.25
E 23

AL

97

Gneiss 9639 0.001 57.8 18.88 0.72 1.50 0.00
E 24

BR

60

Gneiss 9780 0.006 57.8 16.00 1.00 4.30 0.50
E 25

AL

95

Gneiss 9820 0.004 57.7 21.34 1.00 2.50 0.50
E 26

AL

99

Psammite 10006 0.008 56.7 24.47 0.21 1.45 0.25
E 27

BR

2

Psammite 10496 0.089 32.3 23.22 1.78 1.63 0.17
E 28

BR

70

Psammite 10603 0.016 32.3 18.01 2.72 1.74 0.46
E 29

BR

60

Psammite 10862 0.019 32.1 21.48 1.43 1.43 0.24
E 30

AL

100

Fault

13224 0.007 20.0 17.70 2.78 1.25 0.22
E 31

AL

100

Fault

14025 0.010 17.1 17.27 0.07 1.40 0.30
E 32 BR-AL

85

Fault

14395 0.013 17.0 10.13 1.73 2.10 0.40
E 33

AL

100

Fault

14535 0.016 16.9 14.19 1.00 1.60 0.50
E 34 BR-AL

80

Fault

14745 0.018 15.7

8.82

1.00 1.30 0.50
E 35

AL

100

Fault

14885 0.018 14.9 14.85 3.36 1.25 0.35
E 36

BR

65

Fault

15195 0.025 13.4 11.17 1.32 1.45 0.15
E 37

BR

40

Fault

15514 0.031 11.0

7.26

0.76 2.15 0.65
E 38

BR

40

Psammite 15825 0.061 10.8 10.78 1.88 2.68 0.39
E 39

AL

100

Fault

16002 0.032 10.6 12.55 0.53 1.67 0.08
E 40A

BR

90

Fault

16110 0.062 10.4 12.03 1.46 2.33 0.27
E 40B

BR

90

Fault

16450 0.118

5.3

10.37 3.16 1.60 0.42
E 41

BR

50

Fault

16605 0.149

5.2

9.19

0.37 2.13 0.11
E 42

BR

65

Pelite 16805 0.109

5.1

10.38 1.11 1.50 0.11
E 43

BR

50

Psammite 16985 0.156

5.0

7.72

2.51 1.70 0.19
E 44 BR-AL

95

Fault

17275 0.122

4.6

10.48 0.36 1.29 0.11
E 45

BR

25

Fault

17715 0.167

4.1

8.04

1.68 1.49 0.17
E 46

BR

40

Pelite 18155 0.071

3.3

4.86

2.79 1.44 0.29

a Distance from the river mouth to the top of the reach
b Slope and catchment area derived from the 5 m grid NEXTMap Digital Terrain Model (Intermap Technologies, 2007).
c Reach-averaged widths and depths derived as the mean of all measured widths and depths in each reach (n = 2 to 10).
d Uncertainty on width and depth is derived as the standard error of the mean of the values in each reach.