搜索结果: 46-60 共查到“大气科学 Modelling”相关记录110条 . 查询时间(0.124 秒)
Modelling transport and deposition of caesium and iodine from the Chernobyl accident using the DREAM model
Modelling transport deposition of caesium Chernobyl accident DREAM model
2009/3/12
A tracer model, DREAM (the Danish Rimpuff and Eulerian Accidental release Model), has been developed for modelling transport, dispersion and deposition (wet and dry) of radioactive material from accid...
The impact of multiphase reactions of NO2 with aromatics: a modelling approach
multiphase reactions NO2 aromatics
2009/3/12
The impact of multiphase reactions involving nitrogen dioxide (NO2) and aromatic compounds was simulated in this study. A mechanism (CAPRAM 2.4, MODAC Mechanism) was applied for the aqueous phase reac...
Modelling the contribution of sea salt and dimethyl sulfide derived aerosol to marine CCN
sea salt dimethyl sulfide aerosol marine CCN
2009/3/11
The concentration of cloud condensation nuclei (CCN) in the marine boundary layer (MBL) was estimated from dimethyl sulfide (DMS) flux, sea salt (SS) emission, and aerosols entrained from the free tro...
Global modelling of secondary organic aerosol in the troposphere: a sensitivity analysis
Global modelling secondary organic aerosol troposphere
2009/3/11
A global 3-dimensional chemistry/transport model able to describe O3, NOx, Volatile Organic Compounds (VOC), sulphur and NH3 chemistry has been extended to simulate the temporal and spatial distributi...
A numerical modelling study on regional mercury budget for eastern North America
numerical modelling regional mercury budget eastern North America
2009/3/10
In this study, we have integrated an up-to-date physio-chemical transformation mechanism of Hg into the framework of US EPA's CMAQ model system. In addition, the model adapted detailed calculations of...
Atmospheric impact of the 1783–1784 Laki eruption: Part I Chemistry modelling
Atmospheric impact 1783–1784 Laki eruption Chemistry modelling
2009/3/10
Results from the first chemistry-transport model study of the impact of the 1783–1784 Laki fissure eruption (Iceland: 64°N, 17°W) upon atmospheric composition are presented. The eruption released an e...
Modelling of the photooxidation of toluene: conceptual ideas for validating detailed mechanisms
photooxidation of toluene conceptual ideas validating detailed mechanisms
2009/3/10
Toluene photooxidation is chosen as an example to examine how simulations of smog-chamber experiments can be used to unravel shortcomings in detailed mechanisms and to provide information on complex...
Mass balance inverse modelling of methane in the 1990s using a Chemistry Transport Model
Mass balance inverse modelling Chemistry Transport Model
2009/3/10
A mass balance inverse modelling procedure is applied with a time-dependent methane concentration boundary condition and a chemical transport model to relate observed changes in the surface distributi...
Modelling of Mercury in the Arctic with the Danish Eulerian Hemispheric Model
Mercury Arctic Danish Eulerian Hemispheric Model
2009/3/10
A new 3-D mercury model has been developed within the Danish Arctic Monitoring and Assessment Programme (AMAP). The model is based on the Danish Eulerian Hemispheric Model, which in the original versi...
Modelling the formation and composition of secondary organic aerosol from α- and β-pinene ozonolysis using MCM v3
secondary organic aerosol α- and β-pinene ozonolysis MCM v3
2009/3/5
The formation and detailed composition of secondary organic aerosol (SOA) from the gas phase ozonolysis of α- and β-pinene has been simulated using the Master Chemical Mechanism version 3 (MCM v3), co...
Modelling tracer transport by a cumulus ensemble: lateral boundary conditions and large-scale ascent
Modelling tracer transport by a cumulus ensemble: lateral boundary conditions and large-scale ascent
2009/3/5
The vertical transport of tracers by a cumulus ensemble at the TOGA-COARE site is modelled during a 7 day episode using 2-D and 3-D cloud-resolving setups of the Weather Research and Forecast (WRF) mo...
Evaluation of two ozone air quality modelling systems
ozone air quality modelling systems Spain Barcelona
2009/3/4
The aim of this paper is to compare two different modelling systems and to evaluate their ability to simulate high values of ozone concentration in typical summer episodes which take place in the nort...
Modelling atmospheric transport of α-hexachlorocyclohexane in the Northern Hemispherewith a 3-D dynamical model: DEHM-POP
α-hexachlorocyclohexane Northern Hemispherewith 3-D dynamical model DEHM-POP
2009/3/2
The Danish Eulerian Hemispheric Model (DEHM) is a 3-D dynamical atmospheric transport model originally developed to describe the atmospheric transport of sulphur into the Arctic. A new version of the ...
Gas-particle interactions above a Dutch heathland: III. Modelling the influence of the NH3-HNO3-NH4NO3 equilibrium on size-segregated particle fluxes
Gas-particle interactions Dutch heathland NH3-HNO3-NH4NO3 equilibrium particle fluxes
2009/3/2
Micrometeorological measurements of size-segregated particle number fluxes above Dutch heathlands and forests have repeatedly shown simultaneous apparent emission of particles with a diameter (Dp)<0.1...
Volatile particles formation during PartEmis: a modelling study
Volatile particles formation PartEmis modelling
2009/2/24
A modelling study of the formation of volatile particles in a combustor exhaust has been carried out in the frame of the PartEmis European project. A kinetic model has been used in order to investigat...