TY JOUR TI Classification of internal waves shoaling over slope-shelf topography KW Internal solitary waves KW shelf KW continental slope KW wave breaking KW changing polarity JO Russian Journal of Earth Sciences AU Terletska, K.. AU Choi, B.H. AU Maderich, V.. AU Talipova, T.. PY 2020 IS 20 PB Geophysical Center of the Russian Academy of Sciences