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RISThe Use of Finite-Volume Methods for Atmospheric Advection of Trace Species. Part I: Test of Various Formulations in a General Circulation Model
Publisher: American Meteorological Society
Abstract: In the context of advection of trace species by 3D atmospheric flows, a comparative test of a hierarchy of finite volume transport schemes initially derived by B. Van Leer is presented. Those schemes are conservative by ...
A Thermal Plume Model for the Convective Boundary Layer: Representation of Cumulus Clouds
Publisher: American Meteorological Society
Abstract: The ?thermal plume model,? a mass-flux scheme combined with a classical diffusive approach, originally developed to represent turbulent transport in the dry convective boundary layer, is extended here to the representation ...
Parameterization of the Dry Convective Boundary Layer Based on a Mass Flux Representation of Thermals
Publisher: American Meteorological Society
Abstract: Presented is a mass flux parameterization of vertical transport in the convective boundary layer. The formulation of the new parameterization is based on an idealization of thermal cells or rolls. The parameterization is ...
Meteorological Variability and the Annual Surface Pressure Cycle on Mars
Publisher: American Meteorological Society
Abstract: It is commonly admitted that the seasonal surface pressure cycle, observed on Mars by the two Viking landers, is due to condensation and sublimation of the atmospheric carbon dioxide in the polar caps. A three Martian year ...
Net Exchange Reformulation of Radiative Transfer in the CO2 15-μm Band on Mars
Publisher: American Meteorological Society
Abstract: The net exchange formulation (NEF) is an alternative to the usual radiative transfer formulation. It was proposed by two authors in 1967, but until now, this formulation has been used only in a very few cases for atmospheric ...
Comparison of Rainfall Profiles in the West African Monsoon as Depicted by TRMM PR and the LMDZ Climate Model
Publisher: American Meteorological Society
Abstract: Vertical rainfall profiles obtained with TRMM-PR 2A25 standard products are compared with rain profiles deduced from the Laboratoire de Météorologie Dynamique second generation global climate model (LMDZ, the Z stands for ...
The Present and Future of the West African Monsoon: A Process-Oriented Assessment of CMIP5 Simulations along the AMMA Transect
Publisher: American Meteorological Society
Abstract: he present assessment of the West African monsoon in the models of the Coupled Model Intercomparison Project (CMIP) phase 5 (CMIP5) indicates little evolution since the third phase of CMIP (CMIP3) in terms of both biases ...
The Art and Science of Climate Model Tuning
Publisher: American Meteorological Society
Abstract: he process of parameter estimation targeting a chosen set of observations is an essential aspect of numerical modeling. This process is usually named tuning in the climate modeling community. In climate models, the variety ...
Global Chemistry Simulations in the AMMA Multimodel Intercomparison Project
Publisher: American Meteorological Society
Abstract: The authors present results obtained during the chemistry-transport modeling (CTM) component of the African Monsoon Multi-disciplinary Analysis Multimodel Intercomparison Project (AMMA-MIP) using the recently developed ...
AMMA-Model Intercomparison Project
Publisher: American Meteorological Society
Abstract: The African Monsoon Multidisciplinary Analyses-Model Intercomparison Project (AMMA-MIP) was developed within the framework of the AMMA project. It is a relatively light intercomparison and evaluation exercise of both global ...