ERDC/CHL CHETN-IV-33
June 2001
Distance to Updrift Attachment Bar vs Tidal Prism
for Nautical Chart (NC) and Aerial Photograph (AP) Data
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No. of Jetties
0 - NC
1 - NC
2 - NC
8
0 - AP
2 - AP
0 trendline
1 trendline
6
2 trendline
4
2
0
106
107
108
109
1010
3
Tidal Prism, m
Figure 5. The distance WA1 vs. tidal prism for inlets examined
Table 2
Coefficients of Equation 2 for Trend Lines in Figure 5 (updrift
attachment bar)
2
R
Number of Jetties
a
b
-5
0
9.0x10
0.539
0.86
-2
1
2.01x10
0.213
0.345
-4
2
1.58x10
0.495
0.649
Q
Updrift Attachment
Bay
WA1
Ocean
Wc
Channel Center Line
α
L
WA2
Downdrift Attachment
Figure 6. Asymmetrical ebb shoal with inlet angle definition
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