FIG. 7. Circulation and momentum balances for idealized inlet at midebb:

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FIG. 6. Circulation and momentum balances for Beaufort Inlet at maximum ebb

Slack before flood

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JOURNAL OF PHYSICAL OCEANOGRAPHY

FIG. 7. Circulation and momentum balances for idealized inlet at midebb: (a) velocity flux (depth-averaged velocity multiplied

by total water column) vectors interpolated onto uniform 425-m grid for clarity, (b) free-surface elevation with 1-cm contour

intervals, (c) bathymetry with 1-m contour intervals, and (d)(k) shaded contours of individual momentum flux terms (see text

for description).

ating (Fig. 8d). As in the idealized inlet, flow directions

the outer ebb jet is decelerating under this far-field ad-

are fairly stationary (Fig. 8h). Streamwise advective ac-

verse pressure gradient. Along the shore outside the

celerations have diminished significantly in magnitude

inlet, flow is shielded from the ebb jet by the headland

from maximum ebb, but the spatial patterns remain (Fig.

features. Because of its prior weak ebb-directed mo-

8e). The large-scale offshore pressure gradient shifts

mentum this fluid has already changed to a flood di-

prior to slack at the inlet, and high momentum flow in

rection acting under the favorable offshore pressure gra-

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