Specialized Elective

Global Environmental Changes

CODE
ΕΠΕ101
SEMESTER
8
HOURS per WEEK
3
ECTS CREDITS
4  (Erasmus+ course)
INSTRUCTORS

Dimitrios Balis

Kleareti Tourpali

·       Spatial and temporal scales of atmospheric processes. Mechanisms of emission and removal of atmospheric constituents. Life time.

·       Global circles of atmospheric constituents that contain sulphur, nitrogen, halogen and carbon.

·       Introduction to the ozone layer. Mechanisms of ozone production and destruction. Dynamics of the ozone layer.

·       Depletion of the ozone layer. Periodic changes. Long-term trends.

·       Global changes of atmospheric transmission due to aerosols. Size distribution of particles. Classification of Particles.

·       Aerosol optical properties. Phase function. Aerosol effects on surface albedo.

·       Emission of radiation from the Sun. Solar radiation at the top of the atmosphere (spectral characteristics and temporal changes).

·       Factors that affect the transition of the solar radiation through the atmosphere. Spatial and temporal changes of solar radiation reaching the ground.

·       Chemical and photochemical processes in the atmosphere. Photolysis rate of atmospheric molecules (calculation and measurement). Biological effects of solar ultraviolet radiation (calculation of the absorbed dose, measurements).

·       Emission and propagation of the earth’s radiation through the atmosphere. Calculation of the absorbed and transmitted radiation flux.

·       Climate change. The Earth’s energy balance. Natural and anthropogenic greenhouse effect.

·       Solar flux changes and climate forcing. Anthropogenic changes of radiation effective atmospheric constituents and effects on radiation fluxes.

·       Solar activity and effects on the atmosphere and the Earth’s climate.

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