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The protection of our environment is one of the major problems in society. More and more important physical and chemical mechanisms are to be added to the air pollution models. Moreover, reliable and robust control strategies for keeping pollution caused by harmful compounds under certain safe levels have to be developed and used in a routine way. Well based and correctly analyzed large mathematical models can successfully be used to solve this task. The use of such models leads to the treatment of huge computational tasks. The efficient solution of such problems requires combined research from specialists working in different fields.
The NATO ARW held at Borovetz (Bulgaria), in the period 8-12 May, 2004 was devoted to the above questions. This book contains selected papers of the meeting in the following topics: - improving the abilities of air pollution models to calculate reliable predictions of the pollution levels in a given domain and in real time by using adequate description of the physical and chemical processes, - implementation of advanced numerical methods and algorithms in the models, - efficient utilization of up-to-date computer architectures, - development of mechanisms for studying particles (including here fine and ultra-fine particles), biogenic emissions, etc. - optimization techniques in the study of the pollution levels, etc.
From the contents:Mathematical modeling of the regional-scale variability of gaseous species and aerosols in the atmosphere.- Air pollution modeling in action.- Advances in urban meteorology modelling.- Modelling studies on the concentration and deposition of air pollutants in East-Central Europe.- Estimation of the exchange of sulphur pollution in Southeast Europe.- Implementing the trajectory-grid transport algorithm in an air quality model.- Estimation of air pollution parameters using artificial neural networks.- Some aspects of interaction between operator splitting procedures and numerical methods.- Mathematical aspects of data assimilation for atmospheric chemistry models.- Fighting the great challenges in large-scale environmental modelling.- Challenges in using splitting techniques for large-scale environmental modeling.- Simulation of liberation and dispersion of radon from a waste disposal.- Methods of efficient modeling and forecasting regional atmospheric processes.- Numerical forecast of air pollution ? Advances and problems.- Alternative techniques for studying / modeling the air pollution level.- Application of functions of influence in air pollution problems.- Long-term calculations with a comprehensive nested hemispheric air pollution transport model.