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RISEulerian and Lagrangian Statistics in the South China Sea as Deduced from Surface Drifters
Publisher: American Meteorological Society
Abstract: ulerian and Lagrangian statistics of the surface flows over the South China Sea (SCS) are investigated based on observations of satellite-tracked Lagrangian drifters of the Surface Velocity Program. Although the dataset ...
On the Estimation of Lagrangian Diffusivity: Influence of Nonstationary Mean Flow
Publisher: American Meteorological Society
Abstract: ddy?mean flow decomposition is crucial to the estimation of Lagrangian diffusivity based on drifter data. Previous studies have shown that inhomogeneous mean flow induces shear dispersion that increases the estimated ...
Reconciling Lagrangian Diffusivity and Effective Diffusivity in Contour-Based Coordinates
Publisher: American Meteorological Society
Abstract: AbstractThe present study reconciles theoretical differences between the Lagrangian diffusivity and effective diffusivity in a transformed spatial coordinate based on the contours of a quasi-conservative tracer. In the ...
Tidal Mixing in the South China Sea: An Estimate Based on the Internal Tide Energetics
Publisher: American Meteorological Society
Abstract: y taking into account the contributions of both locally and remotely generated internal tides, the tidal mixing in the Luzon Strait (LS) and the South China Sea (SCS) is investigated through internal-tide simulation and ...
Characteristics of the Near-Surface Currents in the Indian Ocean as Deduced from Satellite-Tracked Surface Drifters. Part I: Pseudo-Eulerian Statistics
Publisher: American Meteorological Society
Abstract: sing the 1985?2013 record of near-surface currents from satellite-tracked drifters, the pseudo-Eulerian statistics of the near-surface circulation in the Indian Ocean (IO) are analyzed. It is found that the distributions ...
Characteristics of the Near-Surface Currents in the Indian Ocean as Deduced from Satellite-Tracked Surface Drifters. Part II: Lagrangian Statistics
Publisher: American Meteorological Society
Abstract: agrangian statistics of the surface circulation in the Indian Ocean (IO) are investigated using drifter observations during 1985?2013. The methodology isolates the influence of low-frequency variations and horizontal shear ...