TABLE 1. Areas of each sediment type identified in Figures 1,2, 4, 5 and 6 (the GIS coverages) and discussed in the text. |
LISSED Coverage (Figure 1) |
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|
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|
SEDIMENT TYPE |
Square Kilometers |
Square Miles |
Percent |
|
|
Coarse Sand |
670.22 |
258.5 |
20 |
|
|
Gravel |
24.08 |
9.27 |
1 |
|
|
Gravel - Sand |
137.77 |
53.14 |
4 |
|
|
Medium Sand |
477.52 |
184.18 |
14 |
|
|
Silt |
1040.37 |
401.27 |
31 |
|
|
Fine Sand |
999.27 |
385.42 |
30 |
|
|
TOTAL |
3349.23 |
1291.78 |
100 |
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|
NBFSED Coverage (Figure 2) |
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|
SEDIMENT TYPE |
Square Kilometers |
Square miles |
Percent |
|
|
Gravel |
10.45 |
4.03 |
1 |
|
|
Mud |
1057.7 |
407.96 |
55 |
|
|
Rocky |
44.38 |
17.12 |
2 |
|
|
Sand |
794.32 |
306.37 |
41 |
|
|
Shell |
9.87 |
3.81 |
1 |
|
|
TOTAL |
1916.72 |
739.29 |
100 |
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|
SCANSED Coverage (Figure 5) |
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|
SEDIMENT TYPE |
Square Kilometers |
Square Miles |
Percent |
|
|
Fine Sand |
37.18 |
4.34 |
20 |
|
|
Sand and Gravel, Sandwaves |
71.08 |
27.41 |
39 |
|
|
Gravel, Sand & Boulders |
38.43 |
14.82 |
21 |
|
|
Medium to CoarseSand |
32.74 |
12.63 |
18 |
|
|
Sandy Gravel & Occaisional Boulders |
3.79 |
1.46 |
2 |
|
|
TOTAL |
183.22 |
60.66 |
100 |
|
|
SEDTEXT Coverage (Figure 6) |
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|
SEDIMENT TYPE (see note 1) |
Texture type (see note 2) |
sq. kilo |
sq. mile |
sq. meter |
percent |
cs |
fs |
0.18 |
0.07 |
175,965 |
0 |
cs |
gsbdr |
47.53 |
18.33 |
47,533,607 |
26 |
cs |
gsbld |
25.72 |
9.92 |
25,716,822 |
14 |
cs |
ms |
28.95 |
11.17 |
28,952,606 |
16 |
fs |
fs |
13.97 |
5.39 |
13,968,759 |
8 |
fs |
gsbdr |
6.25 |
2.41 |
6,251,535 |
3 |
fs |
gsbld |
1.25 |
0.48 |
1,252,471 |
1 |
fs |
ms |
1.71 |
0.66 |
1,707,633 |
1 |
fs |
sgbld |
1.76 |
0.68 |
1,754,900 |
1 |
gs |
fs |
6.15 |
2.37 |
6,151,206 |
3 |
gs |
gsbld |
4.58 |
1.77 |
4,577,957 |
3 |
gs |
sgbld |
1.63 |
0.63 |
1,627,946 |
1 |
ms |
fs |
16.69 |
6.44 |
16,684,990 |
9 |
ms |
gsbdr |
17.17 |
6.62 |
17,167,005 |
9 |
ms |
gsbld |
6.74 |
2.6 |
6,741,405 |
4 |
ms |
ms |
2.08 |
0.8 |
2,082,111 |
1 |
ms |
sgbld |
0.41 |
0.16 |
409,557 |
0 |
TOTAL |
|
182.75 |
70.49 |
182,756,975 |
100 |
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|
1) Sediment type codes are as follows: |
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cs: Coarse Sand |
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fs: Fine Sand |
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gs: Gravelly Sand |
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ms: Medium Sand |
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2) Texture types are as follows: |
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fs: Fine Sand |
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gsbdr: Sand and Gravel, Sandwaves |
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gsbld: Gravel, Sand & Boulders |
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ms: Medium to CoarseSand |
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sgbld: Sandy Gravel & Occaisional Boulders |
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BULKSED Coverage (Figure 4) |
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|
Sediment Type |
Number of Stations (see note 3) |
|
|
|
|
Gravel |
2 |
Percent |
|
|
|
Gravel, Sand |
3 |
1 |
|
|
|
Gravel, Shell |
1 |
1 |
|
|
|
Gravel, Sand, Shell |
2 |
0 |
|
|
|
Mud |
186 |
1 |
|
|
|
Mud, Gravel |
2 |
45 |
|
|
|
Muddy Sand |
29 |
1 |
|
|
|
Muddy sand, Gravel, Shell |
1 |
7 |
|
|
|
Mud, Shell |
14 |
0 |
|
|
|
Rocky |
2 |
3 |
|
|
|
Sand |
64 |
1 |
|
|
|
Sand, Gravel |
27 |
15 |
|
|
|
Shell |
8 |
7 |
|
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|
Shell, Sand |
2 |
2 |
|
|
|
Sandy mud |
48 |
1 |
|
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|
Sandy mud, Shell |
1 |
11 |
|
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|
Sand, Rocks |
1 |
0 |
|
|
|
Sand, Shell |
18 |
0 |
|
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|
TOTAL |
411 |
4 |
|
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|
100 |
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3) two stations did not have substrate classifications |
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