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Regulatory Modelling Activity in Hungary
Last year we adopted a second-generation local-scale dispersion model, called AERMOD, at the Hungarian Meteorological Service in order to make better...
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The Use of MM5-CMAQ Air Pollution Modelling System for Real-Time and Forecasted Air Quality Impact of Industrial Emissions
The sophistication of air pollution modeling systems has continued to increase in the last decade. Nowadays, the complex numerical mesoscale...
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Air Pollution Assessment Inside and Around Iron Ore Quarries
The mathematical description of natural ventilation processes in quarries requires the updating of huge data bases. In order to describe air...
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Implementing the Trajectory-Grid Transport Algorithm in an Air Quality Model
Eulerian-based air quality models encounter a serious numerical problem in solving the advection equation. In addition, mass conservation is often...
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Some Aspects of Interaction Between Operator Splitting Procedures and Numerical Methods
For solving numerically the partial differential equations describing air pollution transport, numerical methods are usually applied together with...
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Challenges in Using Splitting Techniques for Large-Scale Environmental Modeling
Splitting techniques are, to our knowledge, used in all operationally run large scale air pollution models with many scenarios. The modellers believe...
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Methods of Efficient Modeling and Forecasting Regional Atmospheric Processes
Regional forecasting is of great importance because of its potential for preventing economical and social consequences of natural and man-caused...
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Advances in Urban Dispersion Modelling
The ability to predict the measured crosswind spread of the plume as well as the centerline (maximum) concentrations in the urban environment based...
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Long-Term Calculations with a Comprehensive Nested Hemispheric Air Pollution Transport Model
The Danish Eulerian Hemispheric Model (DEHM) developed at the National Environmental Research Institute (NERI) in Denmark has been applied for...
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Major Conclusions from the Discussions
Discussions were scheduled within the program of the NATO Advanced Research Workshop on “Advances in Air Pollution Modelling for Environmental...
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Estimation of the Exchange of Sulphur Pollution in Southeast Europe
In the present paper the exchange of sulphur pollution between 12 countries in Southeast Europe for 1995 is estimated. As only sources from these...
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Estimation of Air Pollution Parameters Using Artificial Neural Networks
The modeling of air pollution parameters is an issue investigated using different techniques. The pollution time series, however, are not continuous...
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Mathematical Modeling of the Regional-Scale Variability of Gaseous Species and Aerosols in the Atmosphere
A three-dimensional numerical model of atmospheric hydrodynamics, transport and photochemical transformation of gas-phase pollutants and aerosol...
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Internet-Based Management of Environmental Simulation Tasks
Urban air quality information originates either from observations or from mathematical tools — models and estimations. While the former correspond to...
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The Impact of Sea Breeze on Air Quality in Athens Area
In the present paper, numerical simulation results are analysed in order to quantitatively assess the air pollution potential in Athens area during...
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Creation and Testing of Flux-Type Advection Schemes for Air Pollution Modeling Application
The advection scheme TRAP (from TRAPezium) was elaborated for building in the Bulgarian air pollution dispersion model EMAP, which is a 3D...
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A Pilot System for Environmental Impact Assessment of Pollution Caused by Urban Development and Urban Air Pollution Forecast
In the framework of the LIFE -Environment Program, The National Institute of Meteorology and Hydrology (NIMH) carries out a demonstrative project...
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Global and Regional Aerosol Modelling: A Picture Over Europe
The TM5 atmospheric chemistry-transport model has been developed to study the interaction between the global and regional scales. It is an off-line...