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RISDirect Radiative Effects of Aerosols on Numerical Weather Forecasts—A Comparison of Two Aerosol Datasets in the NCEP GFS
Publisher: American Meteorological Society
A PDF-Based Microphysics Parameterization for Simulation of Drizzling Boundary Layer Clouds
Publisher: American Meteorological Society
Abstract: Formulating the contribution of subgrid-scale (SGS) variability to microphysical processes in boundary layer and deep convective cloud parameterizations is a challenging task because of the complexity of microphysical ...
Evaluating Low-Cloud Simulation from an Upgraded Multiscale Modeling Framework Model. Part II: Seasonal Variations over the Eastern Pacific
Publisher: American Meteorological Society
Abstract: he eastern Pacific is a climatologically important region. Conventional coupled atmosphere?ocean general circulation models produce positive sea surface temperature biases of 2?5 K in this region because of insufficient ...
Evaluating Low-Cloud Simulation from an Upgraded Multiscale Modeling Framework Model. Part III: Tropical and Subtropical Cloud Transitions over the Northern Pacific
Publisher: American Meteorological Society
Abstract: n analysis of simulated cloud regime transitions along a transect from the subtropical California coast to the tropics for the northern summer season (June?August) is presented in this study. The Community Atmosphere Model, ...
Evaluating Low-Cloud Simulation from an Upgraded Multiscale Modeling Framework Model. Part I: Sensitivity to Spatial Resolution and Climatology
Publisher: American Meteorological Society
Abstract: he multiscale modeling framework, which replaces traditional cloud parameterizations with a 2D cloud-resolving model (CRM) in each atmospheric column, is a promising approach to climate modeling. The CRM component contains ...
Improved Low-Cloud Simulation from the Community Atmosphere Model with an Advanced Third-Order Turbulence Closure
Publisher: American Meteorological Society
Abstract: n this study, a simplified intermediately prognostic higher-order turbulence closure (IPHOC) is implemented in the Community Atmosphere Model, version 5 (CAM5), to provide a consistent treatment of subgrid-scale cloud ...
Cloud-Resolving Simulation of Low-Cloud Feedback to an Increase in Sea Surface Temperature
Publisher: American Meteorological Society
Abstract: This study investigates the physical mechanisms of the low cloud feedback through cloud-resolving simulations of cloud-radiative equilibrium response to an increase in sea surface temperature (SST). Six pairs of perturbed ...
Direct Radiative Effects of Aerosols on Numerical Weather Forecasts—A Comparison of Two Aerosol Datasets in the NCEP GFS
Publisher: American Meteorological Society
The Liquid Water Oscillation in Modeling Boundary Layer Cumuli with Third-Order Turbulence Closure Models
Publisher: American Meteorological Society
Abstract: A hierarchy of third-order turbulence closure models are used to simulate boundary layer cumuli in this study. An unrealistically strong liquid water oscillation (LWO) is found in the fully prognostic model, which predicts ...
A Vibration Diagnosis Approach to Structural Fault
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper the sensitivity of structural vibration parameters to fault is analyzed. The frequency response function, which is sensitive to structural fault and able to reflect structural ...