7
Table 2
Summary statistics of low-frequency currents - NORA section
instrument
depth
u
U ’ll ’
V
v V
V
SF
dir.
* E
m
cm/s
cm 2 /s 2
cm/s
cm 2 /s 2
cm/s
%
O
cm
2 /s 2
N1
24
-6.9
23.6
-6.5
49.5
9.5
27
227
36.5
45.3
46
-6.5
15.4
-3.4
36.8
7.4
35
242
26.3
27.3
66
-3.0
11.4
^1.3
45.4
5.3
21
215
28.4
13.9
78
-1.5
8.3
-2.1
17.9
2.6
17
215
13.1
3.5
N2
22
1.4
24.2
-0.7
25.7
1.6
7
117
24.9
1.2
63
1.5
24.8
-1.0
33.2
1.8
9
124
29.0
1.6
100
0.4
11.2
-0.2
38.6
0.5
3
127
24.9
0.1
127
-0.5
16.2
-0.5
23.0
0.7
5
228
19.6
0.2
N3
25
0.9
11.4
-0.8
28.6
1.3
5
132
20.0
0.8
66
2.3
7.2
-0.5
26.7
2.3
17
102
16.9
2.8
109
2.3
10.2
-0.1
28.7
2.3
18
92
19.5
2.6
N4
22
8.6
40.2
-1.0
17.1
8.6
41
96
28.6
37.2
63
3.6
40.1
-0.0
7.8
3.6
22
90
24.0
6.6
96
1.8
21.0
-0.8
6.7
2.0
15
113
13.8
1.9
123
1.0
10.4
-0.1
3.8
1.0
12
94
7.1
0.5
N5
21
15.0
133.1
-1.5
50.3
15.1
49
96
91.7
113.9
62
9.8
72.4
-1.0
31.9
9.8
50
96
52.2
48.5
114
4.5
48.2
-0.4
3.7
4.5
47
95
25.9
10.0
N6
21
-0.6
65.1
-2.4
54.7
2.5
11
194
59.9
3.1
73
1.0
75.2
-6.1
37.3
6.2
37
171
56.2
19.3
124
1.4
24.2
-4.8
14.9
5.0
47
164
19.5
12.6
156
1.3
29.3
-5.2
7.2
5.4
61
166
18.3
14.6
208
2.2
14.5
-3.2
8.2
3.9
53
146
11.3
7.7
N7
15
-0.8
247.0
8.4
129.5
8.5
26
354
185.8
35.8
67
0.7
46.3
8.0
30.6
8.0
57
5
38.4
32.4
256
0.6
11.2
8.2
19.9
8.2
69
4
15.5
33.4
293
0.0
0.9
-0.5
1.3
0.5
8
175
1.1
0.1
N8
16
-5.6
78.7
10.0
126.0
11.5
41
331
102.3
66.3
68
-0.8
14.0
2.4
33.2
2.5
28
342
23.6
3.1
149
0.0
8.0
1.3
15.5
1.3
15
2
11.8
0.8
251
0.9
8.8
1.1
16.9
1.5
18
38
12.9
1.1
278
1.7
12.2
-1.2
3.6
2.0
39
125
7.9
2.1
u, v = means of the zonal and meridional component of the current vector;
u’u’, vV = zonal and meridional variances;
v = mean vector speed;
SF = stability factor: (v/vj * 100;
dir = mean direction;
k E , k M = eddy and mean kinetic energy
