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RISDynamics of Diurnal Thermocline Formation in the Oceanic Mixed Layer
Publisher: American Meteorological Society
Abstract: Diurnal thermocline formation in the oceanic mixed layer under a stabilizing buoyancy flux is studied by numerical simulation of a turbulence model in which the interaction between turbulence structure and density ...
Comments on “Langmuir Turbulence and Surface Heating in the Ocean Surface Boundary Layer”
Publisher: American Meteorological Society
Abstract: AbstractUsing large-eddy simulations (LES) it is shown that the depth of a diurnal thermocline h should be scaled by the Zilitinkevich scale LZ, not by the Monin?Obukhov length scale LMO, contrary to the proposition by ...
Influence of the Surface Heating on Langmuir Circulation
Publisher: American Meteorological Society
Abstract: Large-eddy simulation of the oceanic mixed layer showed that Langmuir circulation (LC) is weakened under the surface heating and is ultimately broken down if the intensity of the surface heating becomes sufficiently strong. ...
The Route to Raindrop Formation in a Shallow Cumulus Cloud Simulated by a Lagrangian Cloud Model
Publisher: American Meteorological Society
Abstract: he mechanism of raindrop formation in a shallow cumulus cloud is investigated using a Lagrangian cloud model (LCM). The analysis is focused on how and under which conditions a cloud droplet grows to a raindrop by tracking ...
A New Vertical Diffusion Package with an Explicit Treatment of Entrainment Processes
Publisher: American Meteorological Society
Abstract: This paper proposes a revised vertical diffusion package with a nonlocal turbulent mixing coefficient in the planetary boundary layer (PBL). Based on the study of Noh et al. and accumulated results of the behavior of the ...
The Role of Preconditioning in the Evolution of Open-Ocean Deep Convection
Publisher: American Meteorological Society
Abstract: Large-eddy simulation of open-ocean deep convection shows that the evolution of convection appears in a fundamentally different pattern, depending on the precondition of the ocean and the magnitude of the surface buoyancy ...
A New Method to Produce Sea Surface Temperature Using Satellite Data Assimilation into an Atmosphere–Ocean Mixed Layer Coupled Model
Publisher: American Meteorological Society
Abstract: new method of producing sea surface temperature (SST) data for numerical weather prediction is suggested, which is obtained from the assimilation of satellite-derived SST into an atmosphere?ocean mixed layer coupled model. ...
Large Eddy Simulation of the Ocean Mixed Layer: The Effects of Wave Breaking and Langmuir Circulation
Publisher: American Meteorological Society
Abstract: Large eddy simulation (LES) of the ocean mixed layer was performed in which both wave breaking and Langmuir circulation are realized. Wave breaking was represented by random forcing consistent with the observed near-surface ...
Influence of Pycnocline Smoothing and Subgrid-Scale Variability of Density Profiles on the Determination of Mixed Layer Depth
Publisher: American Meteorological Society
Abstract: AbstractThis study investigates how pycnocline smoothing and subgrid-scale variability of density profiles influence the determination of the mixed layer depth (MLD) in the global ocean, and applies the results of analysis ...
Examination of the Mixed Layer Deepening Process during Convection Using LES
Publisher: American Meteorological Society
Abstract: Analysis of large-eddy simulation data of the ocean mixed layer under convection reveals that the contribution from wind stress decreases with time as a result of inertial oscillation in the extratropical ocean and that ...