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RISAnalysis of Large-Scale Dynamics and Gravity Waves under Shedding of Inactive Flow Components
Publisher: American Meteorological Society
Abstract: AbstractThe Ertel?s potential vorticity (EPV) budget equation does not see the contribution of an inactive EPV flux component ?? ? ?B because it drops out when taking the divergence. A part of the actual EPV flux can always ...
A Consistent Time-Split Numerical Scheme Applied to the Nonhydrostatic Compressible Equations
Publisher: American Meteorological Society
Abstract: The primary interest of the paper is to apply a two-time-level split explicit time scheme developed by one of the authors to the Lokal-Modell (LM) of the German Weather Service (DWD). This model belongs to the operational ...
Conservative Transport Schemes for Spherical Geodesic Grids: High-Order Flux Operators for ODE-Based Time Integration
Publisher: American Meteorological Society
Abstract: igher-order finite-volume flux operators for transport algorithms used within Runge?Kutta time integration schemes on irregular Voronoi (hexagonal) meshes are proposed and tested. These operators are generalizations of ...
Physics–Dynamics Coupling in Weather, Climate, and Earth System Models: Challenges and Recent Progress
Publisher: American Meteorological Society
Abstract: AbstractNumerical weather, climate, or Earth system models involve the coupling of components. At a broad level, these components can be classified as the resolved fluid dynamics, unresolved fluid dynamical aspects (i.e., ...