The Greenhouse Effect Introductory Physics Scott A. Mathews, Ph.D. The Catholic University of...

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The Greenhouse Effect The Greenhouse Effect Introductory Physics Introductory Physics Scott A. Mathews, Ph.D. The Catholic University of America

Transcript of The Greenhouse Effect Introductory Physics Scott A. Mathews, Ph.D. The Catholic University of...

Page 1: The Greenhouse Effect Introductory Physics Scott A. Mathews, Ph.D. The Catholic University of America.

The Greenhouse EffectThe Greenhouse EffectIntroductory PhysicsIntroductory Physics

Scott A. Mathews, Ph.D.

The Catholic University of America

Page 2: The Greenhouse Effect Introductory Physics Scott A. Mathews, Ph.D. The Catholic University of America.
Page 3: The Greenhouse Effect Introductory Physics Scott A. Mathews, Ph.D. The Catholic University of America.
Page 4: The Greenhouse Effect Introductory Physics Scott A. Mathews, Ph.D. The Catholic University of America.

Black Body Radiation

I is the amount of energy per unit surface area per unit time per unit solid angle emitted in the frequency range between ν and ν+dν by a black body at temperature T; h is Planck's constant; c is the speed of light; and k is Boltzmann's constant.

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Black Body Curves for Sun and Earth

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Atmospheric Absorption

Page 8: The Greenhouse Effect Introductory Physics Scott A. Mathews, Ph.D. The Catholic University of America.

Atmospheric Absorption

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“Tipping Point”

•Non-linear system

•Positive feedback

•Changes in Albedo

•Melting Ice

•Changes in chemistry

•Solubility of CO2

•Changes in plant life

•Effecting Albedo

•Reducing sequestration