FIG. 3. (a)(f ) Tidal ellipses and (g),(h) Eulerian residual currents for the (left) idealized inlet

Hench_and_Luettich_JPO_03
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and (right) Beaufort Inlet in terms of major tidal constituents: (a), (b) M2; (c), (d) M4; and (e), (f )

M6. Model results were interpolated onto a coarser uniform grid (with 425-m spacing) for clarity.

Note that the M2 scale is different than for M4 and M6.

a. Maximum ebb

reached a point of near steady state, and the local ac-

celeration term (Fig. 5d) is close to zero indicating little

Figure 5 shows the contribution of each term in the

change in flow speed, while the rotary acceleration (Fig.

s and n direction momentum equations for the idealized

inlet at maximum ebb. At this tide phase the flow has

5h) shows little change in flow direction. Streamwise