搜索结果: 1-15 共查到“理学 parameterizations”相关记录18条 . 查询时间(0.062 秒)
Modelling of primary aerosols in the chemical transport model MOCAGE: development and evaluation of aerosol physical parameterizations
primary aerosols MOCAGE
2015/3/5
This paper deals with recent improvements to the
global chemical transport model of Météo-France MOCAGE
(Modèle de Chimie Atmosphérique à Grande Echelle) that
consists of updates to different aeros...
Uncertainty assessment of current size-resolved parameterizations for below-cloud particle scavenging by rain
current size-resolved parameterizations below-cloud particle rain
2010/8/13
Current theoretical and empirical size-resolved parameterizations of the scavenging coefficient (Λ), a parameter commonly used in aerosol transport models to describe below-cloud particle scavenging b...
Comprehensively accounting for the effect of giant CCN in cloud activation parameterizations
Comprehensively accounting effect giant CCN cloud activation parameterizations
2010/3/16
Large cloud condensation nuclei (CCN) (e.g., aged dust particles and seasalt) cannot attain their equilibrium size during the typical timescale of cloud droplet activation. Cloud activation parameteri...
Influences of in-cloud aerosol scavenging parameterizations on aerosol concentrations and wet deposition in ECHAM5-HAM
in-cloud aerosol aerosol concentrations ECHAM5-HAM
2010/2/21
A diagnostic cloud nucleation scavenging scheme, which determines stratiform cloud scavenging ratios for both aerosol mass and number distributions, based on cloud droplet, and ice crystal number conc...
Dealing with uncertainty:turbulent parameterizations and grid-spacing effects in numerical modelling of deep moist convective processes
turbulent parameterizations grid-spacing effects deep moist convective processes
2009/12/10
Computer power has grown to the point that very-fine-mesh mesoscale modelling is now possible. Going down through scales is clumsily supposed to reduce uncertainty and to improve the predictive abilit...
Dealing with uncertainty: turbulent parameterizations and grid-spacing effects in numerical modelling of deep moist convective processes
turbulent parameterizations grid-spacing effects deep moist convective processes
2009/12/31
Computer power has grown to the point that very-fine-mesh mesoscale modelling is now possible. Going down through scales is clumsily supposed to reduce uncertainty and to improve the predictive abilit...
Influence of thermodynamic soil and vegetation parameterizations on the simulation of soil temperature states and surface fluxes by the Noah LSM over a Tibetan plateau site
thermodynamic soil soil temperature states vegetation parameterizations
2009/7/22
In this paper, we investigate the ability of the Noah Land Surface Model (LSM) to simulate temperature states in the soil profile and surface fluxes measured during a 7-day dry period at a micrometeor...
Evaluating parameterizations of aerodynamic resistance to heat transfer using field measurements
Evaluating parameterizations heat transfer aerodynamic resistance
2009/5/7
Parameterizations of aerodynamic resistance to heat and water transfer have a significant impact on the accuracy of models of land – atmosphere interactions and of estimated surface fluxes using spec...
Testing longwave radiation parameterizations under clear and overcast skies at Storglaciren,Sweden
longwave radiation parameterizations clear and overcast skies Storglaciren
2010/2/3
Energy balance based glacier melt models require accurate estimates of incoming longwave radiation but direct measurements are often not available. Multi-year near-surface meteorological data from Sto...
Computations and Parameterizations of the Nonlinear Energy Transfer in a Gravity-Wave Specturm. Part II：Parameterizations of the Nonlinear Energy Transfer for Application in Wave Models
Nonlinear Energy Transfer Gravity-Wave Spectrum Nonlinear Energy Transfer
2009/1/16
Four different parameterizations of the nonlinear energy transfer Snl in a surface wave spectrum are in investigated. Two parameterizations are based on a relatively small number of parameters and are...
Computations and Parameterizations of the Nonlinear Energy Transfer in a Gravity-Wave Spectrum. Part I：A New Method for Efficient Computations of the Exact Nonlinear Transfer Integral
Nonlinear Energy Transfer Gravity-Wave Spectrum Nonlinear Transfer Integral
2009/1/16
A more efficient method of computing the nonlinear transfer in a surface wave spectrum is developed which is symmetrical with respect to all wavenumbers of the resonant interaction quadruplets. This e...
Development of a cloud microphysical model and parameterizations to describe the effect of CCN on warm cloud
cloud microphysical model parameterizations CCN warm cloud
2009/1/13
First, a hybrid cloud microphysical model was developed that incorporates both Lagrangian and Eulerian frameworks to study quantitatively the effect of cloud condensation nuclei (CCN) on the precipita...
Finescale Parameterizations of Turbulent Dissipation
Fine- and microstructure data turbulent dissipation rate
2008/12/11
Fine- and microstructure data from a free fall profiler are analysed to test models that relate the turbulent dissipation rate () to characteristics of the internal wave field. The data were obtained ...
Thermohaline Oscillations in the LSG OGCM：Propagating Anomalies and Sensitivity to Parameterizations
general circulation model sea surface temperature Large-Scale Geostrophic
2008/12/3
New experiments are reported that extend previous studies of the internally generated variability found when the Hamburg LSG Ocean General Circulation Model is integrated under mixed boundary conditio...
Thermohaline Oscillations in the LSG OGCM: Propagating Anomalies and Sensitivity to Parameterizations
general circulation model sea surface temperature Large-Scale Geostrophic
2008/11/26
New experiments are reported that extend previous studies of the internally generated variability found when the Hamburg LSG Ocean General Circulation Model is integrated under mixed boundary conditio...
