seiche
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seiche standing wave occurring in lakes or in semi-enclosed embayments as a
result of some sudden disturbance. The topography of the basin determines
the form and period of the different seiche modes that may occur. The word
"seiche" was originally used for this type of oscillations in some Swiss lakes .
...
Seiche. (After Dietrich and Ulrich 1968) Sea level variations at different places in the Baltic
during a seiche (upper) and amplitudes of the seiche (lower).
seine --?nets.