搜索结果: 1-15 共查到“地球科学总论 Numerical”相关记录58条 . 查询时间(0.127 秒)
The spectral element method (SEM) on variable-resolution grids: evaluating grid sensitivity and resolution-aware numerical viscosity
spectral element method variable-resolution grids
2014/12/19
We evaluate the performance of the Community Atmosphere Model's (CAM) spectral element method on variable-resolution grids using the shallow-water equations in spherical geometry. We configure the met...
Numerical simulations of oceanic oxygen cycling in the FAMOUS Earth-System model: FAMOUS-ES, version 1.0
Numerical simulations oceanic oxygen cycling FAMOUS Earth-System model FAMOUS-ES, version 1.0
2014/12/19
Addition and validation of an oxygen cycle to the ocean component of the FAMOUS climate model are described. At the surface, FAMOUS overestimates northern hemisphere oxygen concentrations whereas, at ...
On the sensitivity of 3-D thermal convection codes to numerical discretization: a model intercomparison
numerical discretization 3-D thermal convection codes
2014/12/19
Fully 3-D numerical simulations of thermal convection in a spherical shell have become a standard for studying the dynamics of pattern formation and its stability under perturbations to various parame...
Direct numerical simulations of particle-laden density currents with adaptive, discontinuous finite elements
particle-laden density currents adaptive
2014/12/19
High-resolution direct numerical simulations
(DNSs) are an important tool for the detailed analysis of
turbidity current dynamics. Models that resolve the vertical
structure and turbulence of the &...
A simple parameterization of the short-wave aerosol optical properties for surface direct and diffuse irradiances assessment in a numerical weather model
he short-wave aerosol optical properties surface direct
2014/12/18
Broadband short-wave (SW) surface direct and
diffuse irradiances are not typically within the set of output
variables produced by numerical weather prediction (NWP)
models. However, they are freque...
Evaluating a lightning parameterization based on cloud-top height for mesoscale numerical model simulations
lightning parameterization cloud-top height mesoscale numerical model simulations
2014/12/16
The Price and Rind lightning parameterization based on cloud-top height is a commonly used method for predicting flash rate in global chemistry models. As mesoscale simulations begin to implement flas...
Numerical issues associated with compensating and competing processes in climate models: an example from ECHAM-HAM
Numerical issues associated compensating and competing processes climate models ECHAM-HAM
2014/12/12
The purpose of this paper is to draw attention to the need for appropriate numerical techniques to represent process interactions in climate models. In two versions of the ECHAM-HAM model, different t...
Numerical model of crustal accretion and cooling rates of fast-spreading mid-ocean ridges
Numerical model crustal accretion cooling rates fast-spreading mid-ocean ridges
2014/12/12
We designed a thermo-mechanical numerical model for fast-spreading mid-ocean ridge with variable viscosity, hydrothermal cooling, latent heat release, sheeted dyke layer, and variable melt intrusion p...
"Gtool5": a Fortran90 library of input/output interfaces for self-descriptive multi-dimensional numerical data
Gtool5 Fortran90 library input/output interfaces self-descriptive multi-dimensional numerical data
2014/12/11
A Fortran90 input/output library, "gtool5", is developed for use with numerical simulation models in the fields of Earth and planetary sciences. The use of this library will simplify implementation of...
TopoSUB: a tool for efficient large area numerical modelling in complex topography at sub-grid scales
Global climate change the environment high resolution model grid lateral variation grid climate data sets
2014/12/10
Mountain regions are highly sensitive to global climate change. However, large scale assessments of mountain environments remain problematic due to the high resolution required of model grids to captu...
Numerical uncertainty at mesoscale in a Lagrangian model in complex terrain
Conservation of mass Lagrangian model euler model complex terrain Lagrangian particle dispersion models
2014/12/10
Recently, it has been shown that mass conservation in Lagrangian models is improved by using time-average winds out of Eulerian models. In this study, we evaluate the mass conservation and trajectory ...
Automated continuous verification for numerical simulation
Discrete Coding Mathematical model software
2014/12/9
Verification is a process crucially important for the final users of a computational model: code is useless if its results cannot be relied upon. Typically, verification is seen as a discrete event, p...
Evaluation of ice and snow content in the global numerical weather prediction model GME with CloudSat
ice and snow content global numerical weather prediction model GAME CloudSat
2014/12/9
The present study evaluates the global numerical weather prediction model GME with respect to the grid-scale parameterization of frozen particles, both ice and snow, focusing on the performance of a d...
Numerical Modeling of Fracturing in Non-Cylindrical Folds: Case Studies in Fracture Prediction Using Structural Restoration
Fractures Geomechanics Joints Sant Corneli anticline Unfolding Fracture prediction Structural restoration
2014/10/22
This thesis contains several distinct studies aimed at better understanding fracturing in compressional fault-cored folds. At outcrops of growth strata in the Oliana anticline in the Spanish Pyrenees,...
Boundary Element Method Numerical Modeling: An Approach for Analyzing the Complex Geometry and Evolution of the San Gorgonio Knot, San Andreas Fault, Southern California
Boundary Element Method Numerical Modeling Complex Geometry Evolution of the San Gorgonio Knot San Andreas Fault Southern California
2014/10/22
The San Andreas fault forms the right lateral transform boundary between the North American and Pacific tectonic plates. At various locations along the San Andreas fault the geometry of the fault surf...