Tides

[johnm33]

The average influx throught the Bering Strait is around 1Sv which equates to one million m3 per second. So your hypothetical 200.000 m3/day back and forth is only about 2 m3/s!

1x2=2 2x2=4 so my hypothetical is 400,000m³ dropping off the continental shelf every day over and above that induced by the regular/residual current, and it's not about speed but inertia, both flows will rotate and both will have eastward inertia. If it was merely 'sloshing about' then the same water would move back and forth, it doesn't due to both it's density and inertia and this is also why there is a continuous, and I believe increasing, inflow and exchange shaping the ice in Chukchi and Beaufort.

[johnm33]

Thought I'd take a look at the seabed of the area, starts at -50 then 70>90>120>150m. Began to look at flow but lost connection. The second ani. is a snapshot in time looking at flow at various depths, so may or may not be typical. -10 to -70 in 10m jumps click

[johnm33]

In the first gif I went for -36m it being 2/3 of 56 more or less the depth through the strait; not as I anticipated. In the second it appears to be a surface model despite it's claim, this one is the course of a day.