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RISForce and Deformation of a Shallow Soil-Buried Super-Long Box Culvert during Jacking Construction on a Highway
Publisher: American Society of Civil Engineers
Abstract: An example of a project on an oversized box culvert jacked into highway subgrade in Guangdong area was investigated to determine the mechanical behavior of shallow soil-covered super-long box culvert in the jacking ...
Large Eddy Simulation of Shallow Cumulus Convection during BOMEX: Sensitivity to Microphysics and Radiation
Publisher: American Meteorological Society
Abstract: A number of large eddy simulations with the Regional Atmospheric Modeling System have been made to study the sensitivity of shallow marine cumulus convection to different microphysics and radiation schemes. In particular, ...
Simulation of a Mature Mesoscale Convective System Using a Nonlinear Balance Model
Publisher: American Meteorological Society
Abstract: The authors have made a number of calculations with a nonlinear balance model to test the hypothesis that the mesoscale lifting observed in the mature phase of a mesoscale convective system (MCS) can be explained as a ...
Effect of Aerosol on the Susceptibility and Efficiency of Precipitation in Warm Trade Cumulus Clouds
Publisher: American Meteorological Society
Abstract: Large-eddy simulations of warm, trade wind cumulus clouds are conducted for a range of aerosol conditions with a focus on precipitating clouds. Individual clouds are tracked over the course of their lifetimes. Precipitation ...
The Influence of Entrainment and Mixing Assumption on Aerosol–Cloud Interactions in Marine Stratocumulus
Publisher: American Meteorological Society
Abstract: This study uses large-eddy simulation with bin microphysics to investigate the influence of entrainment and mixing on aerosol?cloud interactions in the context of idealized, nocturnal, nondrizzling marine stratocumulus ...
Performance of an Eddy Diffusivity–Mass Flux Scheme for Shallow Cumulus Boundary Layers
Publisher: American Meteorological Society
Abstract: Comparisons between single-column (SCM) simulations with the total energy?mass flux boundary layer scheme (TEMF) and large-eddy simulations (LES) are shown for four cases from the Gulf of Mexico Atmospheric Composition and ...
Rapid Mesoscale Environmental Changes Accompanying Genesis of an Unusual Tornado
Publisher: American Meteorological Society
Abstract: his study documents a very rapid increase in convective instability, vertical wind shear, and mesoscale forcing for ascent leading to the formation of a highly unusual tornado as detected by a ground-based microwave ...
SST Sensitivities in Multiday TOGA COARE Cloud-Resolving Simulations
Publisher: American Meteorological Society
Abstract: A two-dimensional cloud-resolving model (CRM) was used to simulate the evolution of convection over the western Pacific between 19 and 26 December 1992, during the Tropical Ocean Global Atmosphere Coupled Ocean?Atmosphere ...
Cloud Resolving Simulations of Mixed-Phase Arctic Stratus Observed during BASE: Sensitivity to Concentration of Ice Crystals and Large-Scale Heat and Moisture Advection
Publisher: American Meteorological Society
Abstract: The authors? previous idealized, two-dimensional cloud resolving model (CRM) simulations of Arctic stratus revealed a surprising sensitivity to the concentrations of ice crystals. In this paper, simulations of an actual ...
Supplying Local Microphysics Parameterizations with Information about Subgrid Variability: Latin Hypercube Sampling
Publisher: American Meteorological Society
Abstract: One problem in computing cloud microphysical processes in coarse-resolution numerical models is that many microphysical processes are nonlinear and small in scale. Consequently, there are inaccuracies if microphysics ...