10
9
8
7
6
5
4
3
2
1
0
-2
-1
0
1
2
3
Measured Water Surface Elevation (ft above MLLW)
Figure 11. Probability distribution of tide gauge data, Apra Harbor, Jan-Dec 91
(To convert feet to meters, multiply by 0.3048)
Table 6
Tidal Constituents in Apra Harbor
Amplitude
Phase
Amplitude
Phase
Constituent
cm (in.)
deg
Constituent
cm (in.)
deg
M2
21.6 (8.5)
221.0
K1
16.9 (6.7)
215.2
S2
5.8 (2.3)
249.3
O1
11.4 (4.5)
181.6
N2
4.7 (1.9)
198.1
P1
5.0 (2.0)
207.7
Omar passed through the study area (Figure 13). The calculated water level
contains storm effects only and not tides. However, the model clearly produced a
realistic simulation of the storm surge due to Typhoon Omar.
34
Chapter 4
Implementation of Storm Surge Model
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