Atmospheric Environment

2022 Course Programme

Instructors

Kleareti Tourpali
Charikleia Meleti

– Introduction: The Cause of Environmental Problems. Sustainability and Environmental Sciences. Air Pollution: Introduction. Brief Historical Overview. Types of Air Pollution. Air Quality and Principles of Its Management.

– Atmospheric Pollutants: Classification of Pollutant Compounds. Properties, Sources, Impacts. Units of Pollutant Concentration in Air. Particulate Matter. Pollution Alert Thresholds. Air Quality Indices.

– Environmental Meteorology: Basic Concepts of Thermodynamics and Hydrostatics. Fundamental Definitions and Concepts Related to Vertical Motion.

– Atmospheric Stability: Static Stability of Dry Air. Stability of Moist Air. Dynamic Stability.

– Temperature Inversions: Causes and Mechanisms of Inversions. Diurnal Cycle of Atmospheric Stability. Effects on Pollutant Dispersion. Atmospheric Stability and Pollutant Dispersion.

– The Effect of Wind on Pollution Levels: Local Circulation Systems and Their Impact on Air Quality.

– Atmospheric Boundary Layer: Definition of the Atmospheric Boundary Layer. Importance of the Atmospheric Boundary Layer. General Characteristics. Pollutant Dispersion within the ABL.

– Atmospheric Turbulence: Statistical Description of Turbulence. General Characteristics of the Surface Layer. Logarithmic Law. Boundary Layer Height.

– Atmospheric Diffusion and Dispersion: General Concepts of Atmospheric Dispersion. Mechanisms and Influencing Parameters. Pollutant Removal Mechanisms from the Atmosphere. The Atmospheric Dispersion Cycle. Scales of Atmospheric Dispersion.

– Atmospheric Dispersion Models: Basic Definitions. Fields of Application. Types and Classification. Structure. Theories of Turbulent Diffusion with Emphasis on the Gradient Transfer Theory.

– Atmospheric Stability Classes (Pasquill-Gifford): Effective Emission Height of a Point Source. Effects of Buildings and Chimneys on Dispersion. Determination of Effective Emission Height. Plume Rise.

– Gaussian Plume Model: Basic Principle. Assumptions and Limitations. Equations for a Point-Source Chimney. Determination of Standard Deviations of Concentration Distributions. Use of Nomograms. Introduction of Dispersion Mechanisms into Gaussian Models. Application Example of Gaussian Plume Model for Industrial Chimneys.