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RISWater Mixing in a Tidal Current and the Effect of Turbulence on Tidal Exchange through a Strait
Publisher: American Meteorological Society
Abstract: By means of numerical calculations of the Lagrangian movement of water particles released in a turbulent tidal current during three cycles of the M2 tide, the mechanism of tidal mixing of the inner and outer waters divided ...
Summertime Evolution of Decadal Sea Surface Temperature Anomalies in the Midlatitude North Pacific
Publisher: American Meteorological Society
Abstract: To clarify the summertime evolution of decadal sea surface temperature (SST) anomalies and related physical processes in the midlatitudes of the North Pacific, numerical solutions of a three-dimensional bulk mixed layer ...
Scattering of Internal Waves with Frequency Change over Rough Topography
Publisher: American Meteorological Society
Abstract: The frequency change in internal gravity waves upon scattering from a rough topography is investigated analytically. For this, sets of appropriate and tractable governing equations for various parameter regimes are derived ...
A Growth Mechanism for Topographic Internal Waves Generated by an Oscillatory Flow
Publisher: American Meteorological Society
Abstract: On the basis of ray tracing of individual waves generated at various phases of the tidal flow, an amplification mechanism is presented for a new class of topographically generated internal waves identified by Nakamura et ...
Numerical Study of Shelf Water Motion Driven by the Kuroshio: Barotropic Model
Publisher: American Meteorological Society
Abstract: The barotropic response of the shelf and coastal regions south of Japan to short-term variations in the Kuroshio was studied numerically with an inflow?outflow model. The onshore?offshore movements of the stream axis of ...
Tidal Exchange through a Strait: A Numerical Experiment Using a Simple Model Basin
Publisher: American Meteorological Society
Abstract: In order to investigate the mechanism of tidal exchange through a strait, we numerically track the Lagrangian movement of water particles over a full cycle of the M2 tide. As a result, it is found that the spatially rapid ...
Dynamical Initialization for the Numerical Forecasting of Ocean Surface Circulations Using a Variational Assimilation System
Publisher: American Meteorological Society
Abstract: A variational data assimilation system is presented for the initialization of an ocean surface circulation forecast system. The authors? variational data assimilation system is designed to satisfy both statistical and ...
Effects of Stratification and Bottom Topography on the Kuroshio Path Variation South of Japan. Part I: Dependence of the Path Selection on Velocity
Publisher: American Meteorological Society
Abstract: Numerical experiments are executed using a two-layer inflow?outflow ocean model with simplified geometry to investigate the effects of stratification and bottom topography on the path variation of the Kuroshio south of ...
Formation and Circulation Processes of Intermediate Water in the Japan Sea
Publisher: American Meteorological Society
Abstract: The formation and circulation processes of intermediate water in the Japan Sea have been investigated by study of the subduction of mixed layer water. To simulate realistic seasonal variations in the velocity and hydrographic ...