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Lecture 8 – Atmospheric Structure and Review of Radiative Equilibrium

Lecture 8 – Atmospheric Structure and Review of Radiative Equilibrium

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EAS 1600 Introduction to Environmental Sciences Lecture 8 – Atmospheric Structure and Review of Radiative Equilibrium Today we will quickly discuss atmospheric structure and review some problems dealing with radiation.
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Key Concepts from Last Class Seasons (i.e. periodic variation in weather) are mainly due to the tilt of the Earth’s rotational axis relative to the orbital plane. The Earth and other objects in the solar system are in radiative equilibrium with the Sun (i.e. energy in = energy out). Energy emitted by an object is given by Stefan-Boltzman Law.
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Unformatted text preview: Energy absorbed by an object is determined by the radiative flux or intensity of the Sun’s radiation and the albedo of the object. Atmospheric Structure T altitude < T surface Pressure Temperature The rest of the class we will review how to do some basic problems using the radiation equations we have discussed in the last few lectures. • e.g. What is the effective temperature of the Earth? In what wavelength range does it emit. What is the temperature of a large satellite that is shaped like a thin square plate. What is the color of the Sun?...
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