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RISParameterization of Pressure Perturbations in a PBL Mass-Flux Model
Publisher: American Meteorological Society
Abstract: In a companion paper, the authors presented a boundary layer parameterization that was based on the mass-flux concept and included an internally consistent representation of the vertical flux of horizontal momentum. In the ...
A Higher-Order Closure Model with an Explicit PBL Top
Publisher: American Meteorological Society
Abstract: In 2001, the authors presented a higher-order mass-flux model called ?assumed distributions with higher-order closure? (ADHOC 1), which represents the large eddies of the planetary boundary layer (PBL) in terms of an assumed ...
Toward a Unified Parameterization of the Boundary Layer and Moist Convection. Part I: A New Type of Mass-Flux Model
Publisher: American Meteorological Society
Abstract: Higher-order closure (HOC) models have been proposed for parameterization of the turbulent planetary boundary layer (PBL). HOC models must include closures for higher-order moments (e.g., fourth moments in third-order ...
Toward a Unified Parameterization of the Boundary Layer and Moist Convection. Part II: Lateral Mass Exchanges and Subplume-Scale Fluxes
Publisher: American Meteorological Society
Abstract: The dissipation parameterizations developed for higher-order closure are used to parameterize lateral entrainment and detrainment in a mass-flux model. In addition, a subplume-scale turbulence scheme is included to represent ...
Toward a Unified Parameterization of the Boundary Layer and Moist Convection. Part III: Simulations of Clear and Cloudy Convection
Publisher: American Meteorological Society
Abstract: A model that employs a new form of mass-flux closure (described in Part I of this paper) is applied to a variety of clear and cloudy planetary boundary layers (PBLs) including dry convection from the Wangara Experiment, ...
Using Idealized Coherent Structures to Parameterize Momentum Fluxes in a PBL Mass-Flux Model
Publisher: American Meteorological Society
Abstract: In 2001, the authors presented a higher-order mass-flux model called assumed distributions with higher-order closure (ADHOC), which represents the large eddies of the planetary boundary layer (PBL) in terms of an assumed ...
The MJO Cycle Forcing of the North Atlantic Circulation: Intervention Experiments with the Community Earth System Model
Publisher: American Meteorological Society
Abstract: three-dimensional evolution of Madden?Julian oscillation (MJO) diabatic heating for October?March from satellite data is constructed: the heating propagates eastward for three cycles, modulated by the likelihood for a given ...