Sumários

Atmospheric Thermodynamics II

30 outubro 2020, 10:30 Tania Alexandra Dos Santos Costa e Sousa

The change in the Earth - Sun distance throughout the year: aphelion and perihelion: impact on the solar constant. The tilt of the Earth: impact on the lenght of the day and on the altitude of the sun. Seasons.   


Thermodynamics of the Atmosphere I

27 outubro 2020, 11:30 Tania Alexandra Dos Santos Costa e Sousa

Black body radiation. Stefan-Boltzmann's Law. Solar Radiation. Estimation of the Solar Constant. Wien's Law. Wavelength characterization of solar radiation. Radiative Balance to the Earth. Estimation of the temperature of the Earth at the top of the atmosphere (black body assumption vs. 30% albedo). Estimation of the Earth surface radiation for T=288K and wavelength characterization.   


Particulate matter (aula online)

23 outubro 2020, 11:30 Joao Luis Alves Ferreira da Silva

Types of particulate matter. Sources and sinks. Aerodynamic behaviour. Efeects on living organisms and climate. Visibility.


Acid Rain (aula online)

23 outubro 2020, 10:30 Joao Luis Alves Ferreira da Silva

Main components of acid rain. pH calculations. Effects of acid rain.


Global Warming II (aula online)

20 outubro 2020, 11:30 Joao Luis Alves Ferreira da Silva

Effect of Methane. Acidification of the oceans. Acidity and basicity constants. pH.