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RISBaroclinic Eady Wave and Fronts. Part III: Unbalanced Dynamics—Departures from Viscous Semigeostrophy
Publisher: American Meteorological Society
Abstract: By subtracting the viscous semigeostrophic (SG) equations from the primitive equations, a set of nonlinear perturbation equations is derived and used to study the unbalanced perturbations generated during the process of ...
Baroclinic Eady Wave and Fronts. Part II: Geostrophic Potential Vorticity Dynamics in Semigeostrophic Space
Publisher: American Meteorological Society
Abstract: The geostrophic coordinate transformation is applied to the viscous semigeostrophic (SG) Eady wave. In the transformed space, called the SG space, the potential temperature anomaly can be treated as a delta-function anomaly ...
Direct Validation of Human Knee-Joint Contact Mechanics Derived From Subject-Specific Finite-Element Models of the Tibiofemoral and Patellofemoral Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The primary aim of this study was to validate predictions of human knee-joint contact mechanics (specifically, contact pressure, contact area, and contact force) derived from finite-element models of the tibiofemoral and ...
Generalized Adjoint for Physical Processes with Parameterized Discontinuities. Part V: Coarse-Grain Adjoint and Problems in Gradient Check
Publisher: American Meteorological Society
Abstract: When on/off switches are triggered at discrete time levels by a threshold condition in a traditionally discretized model, the model solution is not continuously dependent on the initial state and this causes problems in ...
Baroclinic Eady Wave and Fronts. Part I: Viscous Semigeostrophy and the Impact of Boundary Condition
Publisher: American Meteorological Society
Abstract: A two-dimensional viscous semigeostrophic model is developed to study the evolution of the baroclinic Eady wave and fronts with two types (free-slip and nonslip) of boundary conditions. With the free-slip boundary condition, ...
Study on Application of Environmental Value in Expressway Construction Project Scheme Choosing
Publisher: American Society of Civil Engineers
Abstract: The serious negative impacts on local ecosystem alongside caused by expressway construction activities were analyzed. Based on theory of ecosystem services value and cost benefit analysis (CBA), the influence on and the ...
Study on Systematizing Design of Ecological Engineering Technology in Right of Highway
Publisher: American Society of Civil Engineers
Abstract: For analysis of ecological recovery in right of highway, the function, principle and key technologies were described. A concept, main contents and theoretical basis of systematizing design on ecological recovery in right ...
Experimental Study on Woody Plant Community Construction of Road Rock Slope in Semi-arid Area: A Case Study on Chifeng-Tongliao Expressway in Inner Mongolia
Publisher: American Society of Civil Engineers
Abstract: To solve the ecologic restoration problem of road rock slope in semi-arid area, the woody plant community was constructed using the nursery block and soil spray-sowing technique, taken the Chifeng-Tongliaoex pressway in ...
Interannual Variations of the First Rainy Season Precipitation over South China
Publisher: American Meteorological Society
Abstract: AbstractThe first rainy season (FRS), also known as the presummer rainy season, is the first standing stage of the East Asian summer monsoon when over 40% of the annual precipitation is received over South China. Based on ...
The Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2)
Publisher: American Meteorological Society
Abstract: AbstractThe Modern-Era Retrospective Analysis for Research and Applications, version 2 (MERRA-2), is the latest atmospheric reanalysis of the modern satellite era produced by NASA?s Global Modeling and Assimilation Office ...