搜索结果: 1-13 共查到“大气物理学 numerical”相关记录13条 . 查询时间(0.036 秒)
Analogue-dynamical Prediction of Numerical Model Errors in the Mid-Lower Reaches of the Yangtze River
Principal Component Analysis Numerical Model Errors Analogue-dynamical Prediction
2011/8/16
Abstract: A new prediction error correction scheme based on 74 circulation characteristics data provided by Weather Diagnostic Forecasting Division of National Climate Center, which is designed to dev...
Coarse, intermediate and high resolution numerical simulations of the transition of a tropical wave critical layer to a tropical storm
resolution numerical the transition of a tropical wave critical layer a tropical storm
2010/11/30
Recent work has hypothesized that tropical cyclones in the deep Atlantic and eastern Pacific basins develop from within the cyclonic Kelvin cat's eye of a tropical easterly wave critical layer located...
Effect of hygroscopic seeding on warm rain clouds – numerical study using a hybrid cloud microphysical model
hygroscopic seeding warm rain clouds numerical study a hybrid cloud microphysical model
2010/8/12
The effect of hygroscopic seeding on warm rain clouds was examined using a hybrid cloud microphysical model combining a Lagrangian Cloud Condensation Nuclei (CCN) activation model, a semi-Lagrangian d...
Effects of resolution on the relative importance of numerical and physical horizontal diffusion in atmospheric composition modelling
numerical and physical horizontal diffusion atmospheric composition modelling
2010/8/12
Numerical diffusion induced by advection has a large influence on concentration of substances in atmospheric composition models. At coarse resolution numerical effects dominate, whereas at increasing ...
Numerical simulations of contrail-to-cirrus transition – Part 1: An extensive parametric study
contrail-to-cirrus transition extensive parametric study
2010/2/21
Simulations of contrail-to-cirrus transition over up to 6 h were performed using a LES-model. The sensitivity of microphysical, optical and geometric contrail properties to relative humidity RHi, temp...
Numerical wind wave model with a dynamic boundary layer
wind wave model dynamic boundary layer
2009/11/12
A modern version of a numerical wind wave model of the fourth generation is constructed for a case of deep water. The following specific terms of the model source function are used: (a) a new analytic...
Relating observations of contrail persistence to numerical weather analysis output
contrail persistence numerical weather analysis output
2009/3/13
The potential for using high-resolution meteorological data from two operational numerical weather analyses (NWA) to diagnose and predict persistent contrail formation is evaluated using two independe...
Constraining tropospheric mixing timescales using airborne observations and numerical models
tropospheric mixing timescales airborne observations numerical models
2009/3/11
A technique is demonstrated for estimating atmospheric mixing time-scales from in-situ data, using a Lagrangian model initialised from an Eulerian chemical transport model (CTM). This method is applie...
Numerical simulations of homogeneous freezing processes in the aerosol chamber AIDA
Numerical simulations homogeneous freezing processes aerosol chamber AIDA
2009/3/10
The homogeneous freezing of supercooled H2SO4/H2O aerosols in an aerosol chamber is investigated with a microphysical box model using the activity parameterization of the nucleation rate by Koop et al...
The role of transition metal ions on HOx radicals in clouds: a numerical evaluation of its impact on multiphase chemistry
transition metal ions HOx radicals clouds multiphase chemistry
2009/2/20
A new modelling study of the role of transition metal ions on cloud chemistry has been performed. Developments of the Model of Multiphase Cloud Chemistry (M2C2; Leriche et al., 2001) are described, in...
Medium-range mid-tropospheric transport of ozone and precursors over Africa: two numerical case studies in dry and wet seasons
mid-tropospheric transport ozone Africa dry wet seasons
2008/12/23
A meso-scale model was used to understand and describe the dynamical processes driving high ozone concentrations observed during both dry and monsoon season in monthly climatologies profiles over Lago...
A numerical study of tropical cross-tropopause transport by convective overshoots
tropical cross-tropopause transport convective overshoots
2008/12/5
Observations obtained during the Tropical Convection, Cirrus and Nitrogen Oxides (TROCCINOX) golden day have revealed the presence of ice particles up to 410 K (18.2 km) 2 km above the local tropopau...
Technical Note: A numerical test-bed for detailed ice nucleation studies in the AIDA cloud simulation chamber
ice nucleation AIDA cloud simulation chamber
2008/11/27
The AIDA (Aerosol Interactions and Dynamics in the Atmosphere) aerosol and cloud chamber of Forschungszentrum Karlsruhe can be used to test the ice forming ability of aerosols. The AIDA chamber is ex...