SF3037 Atmospheric Ground and Ocean Dispersion Syllabus:
SF3037 Atmospheric Ground and Ocean Dispersion Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
1. Explains the dynamicsof atmospheric dispersion
2. Provides the fundamentals of atmospheric dispersion modeling
3. Explains the dynamics of ocean dispersion
4. Provides the basicknowledge of ocean dispersion modeling
5. Provides the basic knowledge of characteristics of ground and ground dispersion
UNIT I INTRODUCTION
Atmospheric instability and convection-stability criteria, parcel method, oscillations, lifting & mixing and convective condensation levels, potential instability and latent instability; stability indices and analysis, cloud formation and types. Global and local wind circulation and profiles, Atmospheric stability and inversions, plume behavior and calculation, turbulent diffusion, concept of mixing height and determination of stability class.
UNIT II ADMOSPHERIC DISPERSION MODELING
Modeling types & scales, steps in model formulation, types of input required for dispersion modelling, Preparation of meteorological data for air quality models (surface and upper air data). Emission quantification for point, area and line sources. The box model, Gaussian plume and puff model, commonly used regulatory modelsand their applications to industrial problems.
UNIT III DYNAMICS OCEAN
General introduction, physical properties of seawater, ocean heat transport and spatial-temporal variability Water masses, formation and classification, Surface gravity waves, ocean currents and tides, currents and circulations in the oceans, Northeast and Southwest monsoon winds, Upwelling and sinking; mesoscale eddies; winter cooling and convection; tropical cyclones and upper ocean response; El-Nino and Southern Oscillation (ENSO); Indian Ocean Dipole.
UNIT IV OCEAN DISPERSION MODELING
Complex nature of ocean dispersion modeling, Modeling of dynamic transport and distribution of floating solid mass and oil over the sea surface. Modeling of the pollutant transport in the sea land interface regions.
UNIT V GROUND CHARACTERISTICS AND DISPERSION TROUGH GROUND
Soils & rocks -formation, profile and types, transport of liquid through different type of soil structures, short term and long-term diffusion of liquid through ground. Transport of chemicals and radioactive through ground diffusion and ground water transport. Safety analysis of deep underground depository of chemical and radioactive pollutants, Basis tectonics movement, dynamics earth quake and tsunami, prediction and early warning, Transport ofindustrial and waste dump yard discharges through soil, deep ground and ground water tablet.
TOTAL: 45 PERIODS
COURSE OUTCOMES:
Students able to
CO1 Understand the basic dynamics of atmospheric dispersion for modeling
CO2 Understand the atmospheric dispersion for modeling methodology
CO3 Understand the basic dynamics of ocean dispersion for modeling
CO4 Understand the ocean dispersion for modeling methodology through oil pollutant transport
CO5 Understand the characteristics of ground and modeling of ground dispersion of pollutants.
REFERENCES:
1. Diffusion in Natural Porous Media: Contaminant Transport, Sorption desorption and Dissolution, Grathwohl, P., Springer, 1989
2. Introduction to Environmental Soil Physics, Hillel, D., Elsevier Academic Press, Amsterdam, 2004
3. Introduction to Physical Oceanography: Robert Stewart
4. Mathematical Modelling and Numerical Simulation of Oil Pollution Problems, Matthias, Springer Cham Ehrhardt,2015
TEXT BOOKS:
1. Integrated Environmental Modeling, Ramaswami, A., John Wiley. 2005
2. Atmospheric Sciences: An introductory Survey, by J.M. Wallace and P.V. Hobbs, Academic Press
3. Modern Treatment Strategies for Marine Pollution, 1st Edition, Senthil Kumar, Elsevier, 2020
4. Fundamentals of air pollution 2nd edition, Arthur C. Stern, Elsevier, 1984