ABCDEFGHIJKLMNOPQRSTUVWXYZAAABACAD
1
Group 1Group 2Group 3Group 4Group 5Group 6Group 7Group 8Average
2
Longshore drift directionWE EWEWWW
3
Longshore drift m/minutes average3.30.751.151.512.73.34.72.3m/minute
4
Wave frequency wave/minute average 996989888.3w/m
5
Wave height average in cm6090.00110509511612093.291.8cm
6
7
Longshore drift commentsdistance m/minx
8
1 The tennis ball mosved very slowly3.3
9
2 The tennis ball drifted very slowly NE, for approximately 12m in 15 minutes
0.75m
10
3 Moved to the NE1.15
11
4- The tennis ball moved right, moved left slightly, but the moves right again. The longshore drift slowly moves the ball right.
1.5
12
5 The ball moved NE and it only moved 15 meters, the ball stayed very close to the shore.
1m
13
6 Ball transported NW in the bearing of N240°.Distance between ball and bay was around 40m. 2.7
14
7 Went west frist 5 minutes, went east 5 minutes, went west last 5 minutes. Always went further from the shore3.3
15
8 Travelled quickly north for first 15 meters and then slowed down, drifting NNW4.7
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100