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<strong>Near-inertial Gyroscopic Wave in the Bottom-layer Water of the Japan sea</strong>

We focus on a behavior of near-inertial Gyroscopic Wave (GsW) in the vertical homogeneous Bottom-layer Water (BW) with N~0 (N is the buoyancy frequency) in the abyssal Japan Sea. Whether a near-inertial internal wave/GsW can intrude into the BW or not, depend on its direction of propagation from east-westward to southward. When a near-inertial GsW reflects at the sea bottom, its vertical wavenumber largely changes from low to high. Therefore, the reflected GsW propagates as creeping along the sea bottom. It is inferred that such GsW might contribute to vertical mixing within the BW.

Oceanic and atmospheric dynamics aims at abstracting general principles from observed phenomena and constructing a system of mathematical models, thereby leading to the understanding, prediction, and parameterization of those phenomena. It provides perspectives for the advancement of sciences in various areas such as wind waves, swells, internal waves, Rossby waves, equatorial waves, tides, eddies, meandering of jets and fronts, general circulation, boundary layers, and ocean-atmosphere coupled modes. It has also been and will continue to be benefited by new uses of ideas and methods from such theories as resonance, nonlinear interaction, spectral analysis, probability, statistics, and dynamical systems. In this session, we solicit presentations on observational, experimental, numerical, and theoretical studies of oceanic and atmospheric dynamics and on exploratory use of new ideas and methods. We also welcome presentations on new methods of data analysis and on interdisciplinary studies in fields such as climate and environment.<br /><br />

JpGU-AGU Joint Meeting 2017

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[AOS29-09]Near-inertial Gyroscopic Wave in the Bottom-layer Water of the Japan sea

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