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The Impact of Constrained Data Assimilation on the Forecasts of Three Convection Systems during the ARM MC3E Field Campaign
Publisher: American Meteorological Society
Mechanisms of Low Cloud–Climate Feedback in Idealized Single-Column Simulations with the Community Atmospheric Model, Version 3 (CAM3)
Publisher: American Meteorological Society
Abstract: This study investigates the physical mechanism of low cloud feedback in the Community Atmospheric Model, version 3 (CAM3) through idealized single-column model (SCM) experiments over the subtropical eastern oceans. Negative ...
New Method for a Beam Resting on a Tensionless and Elastic-Plastic Foundation Subjected to Arbitrarily Complex Loads
Publisher: American Society of Civil Engineers
Abstract: Many soil-structure interaction problems can be idealized as foundation beam problems. In the present work, the tensionless contact problem of an Euler-Bernoulli beam of finite length resting on an elastic-plastic foundation ...
Deformation Analysis of Geotextile-Encased Stone Columns
Publisher: American Society of Civil Engineers
Abstract: Based on the unit-cell concept, analytical solutions are presented to predict deformation behaviors of geotextile-encased stone columns at any depth below the top plane of the columns. Under vertical loads at the tops of ...
Changes of the Boreal Winter Hadley Circulation in the NCEP–NCAR and ECMWF Reanalyses: A Comparative Study
Publisher: American Meteorological Society
Abstract: Both the ECMWF and the NCEP?NCAR reanalyses show a strengthening of the atmospheric Hadley circulation in boreal winter over the last 50 years, but the intensification is much stronger in the ECMWF than in the NCEP?NCAR ...
The Role of Shallow Convection over the Tibetan Plateau
Publisher: American Meteorological Society
Abstract: umulus (Cu) from shallow convection is one of the dominant cloud types over the Tibetan Plateau (TP) in the summer according to CloudSat-CALIPSO observation. Its thermodynamic effects on the atmospheric environment and ...
Discrete and Continuous Spectra of the Barotropic Quasigeostrophic Vorticity Model. Part I
Publisher: American Meteorological Society
Abstract: The evolution processes of small disturbances in an arbitrary basic flow can be expressed as a combination of spectral functions of the discrete spectra and continuous spectrum of a model that bear distinctly different ...
A Constrained Data Assimilation Algorithm Based on GSI Hybrid 3D-EnVar and Its Application
Publisher: American Meteorological Society
Three-Dimensional DEM Analysis of Axially Loaded Geogrid-Encased Stone Column in Clay Bed
Publisher: ASCE
Abstract: The discrete-element method (DEM) was employed in this study to analyze the micromechanical behavior of an axially loaded geogrid-encased stone column (GESC) installed in a clay bed. A three-dimensional DEM model was ...
Failure Process of a Single Stone Column in Soft Soil beneath Rigid Loading: Numerical Study
Publisher: ASCE
Abstract: The discrete element method–finite difference method (DEM--FDM) numerical simulation was conducted to investigate the failure process and the bearing mechanism of the single stone column in soft soil beneath rigid loading. ...
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