Oceanographyany long depression or hollow, as between two ridges or waves. Geology, Oceanography[Oceanog.]a long, wide, and deep depression in the ocean floor having gently sloping sides, wider and shallower than a trench. Cf.trench(def. 4). ...
The Kyushu-Palau Ridge subducts at the boundary between the Nankai and Hyuga-nada segments (Yamamoto et al. 2013). Although the northernmost part of the Nansei-Shoto Trench which is adjacent to the Hyuga-nada region, has a very strong plate coupling, the plate coupling of the Hyuga-nada ...
3) and an inflow following the 100 m isobath over the shelf (along the undersea ridge termed Lexryggen, marked with blue 2 in Fig. 3). The particle tracking indicated that the branch that originates on the shelf (blue 2 in Fig. 3) dominates the inflow into IT (Fig. 7, Fig. 8)...