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GEO 121 Class Notes- Chapter 4

by: Grace Johnston

GEO 121 Class Notes- Chapter 4 GEO 121

Marketplace > Miami University > Geography > GEO 121 > GEO 121 Class Notes Chapter 4
Grace Johnston

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Chapter 4 class notes, covered in week 3
Introduction to Physical Geography
Dr. Bartosz Piotr Grudzinski
Class Notes
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This 1 page Class Notes was uploaded by Grace Johnston on Monday September 19, 2016. The Class Notes belongs to GEO 121 at Miami University taught by Dr. Bartosz Piotr Grudzinski in Fall 2016. Since its upload, it has received 5 views. For similar materials see Introduction to Physical Geography in Geography at Miami University.


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Date Created: 09/19/16
Grace Johnston GEO 121 1 of CHAPTER 4 NOTES 9.15.16 Heat Transfer • Heat- Form of energy, atomic motion (On a small scale) • Sensible heat • Affects temperature: Measure of heat Molecular motion • • Latent Heat • Stored in molecular bonds • Used to change physical state • 3 Types of Heat Transfer 1. Conduction • Direct Contact 2. Convection • Movement 3. Radiation • Electromagnetic Earth’sAtmosphere 1. Insolation/Absorption- Incoming solar radiation (Watts/m2) • Interacts with the matter in the atmosphere and on the Earth’s surface Reflection 2. • Albedo- measure of reflectivity • Directly depends on color of surface and angle • Shallow= More likely to reflect Land VS. Water • • The ocean absorbs more sunlight than land • Places like the poles have negative net annual radiation because of the snow 3. Scattering Dust in space scatters the light • • Global Variation in Net Radiation • Drives large scale wind patterns • Added insulation at poles because of the tilt Sun’s angle of incidence is the most important factor • • Also: Solar output, elliptical orbit and atmospheric thickness • Low latitudes: Net surplus; High deficit


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