Yanai wave An equatorially trapped wave that behaves like a mixture of gravity and Rossby waves.
Fluid particles move anticyclonically around elliptical orbits.
To be completed. A grooved or furrowed topographic form produced by wind abrasion acting on weakly consolidated sediments. Significant features are an elongation in the direction of the prevailing winds and strong undercutting. A marginal sea centered at around 124 E and 37 N in the western Pacific Ocean that is distinguished traditionally although not hydrographically from the adjoining East China Sea to the south. The name comes from huge quantities of sediment discharged into the Bohai Gulf by the Yellow River in China.