CUNY PGEOG 130 - Heating Earth’s Surface and Atmosphere (16 pages)

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Heating Earth’s Surface and Atmosphere



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Heating Earth’s Surface and Atmosphere

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Pages:
16
School:
The City University of New York
Course:
Pgeog 130 - Weather and Climate

Unformatted text preview:

Chapter 2 Heating Earth s Surface and Atmosphere I Earth Sun Relationships A Earth s 2 Principal Motions 1 Rotation 2 Revolution spinning about the axis orbit around the sun PDF Created with deskPDF PDF Writer Trial http www docudesk com 1 Revolution a Perihelion b Aphelion earth closest to sun earth farthest from sun B The seasons result from variations in the intensity or amount of solar radiation striking the earth Height of noon sun changes Length of day changes PDF Created with deskPDF PDF Writer Trial http www docudesk com 2 Sun Angle influence intensity of solar radiation Sun Angle influence distance traveled through atmosphere PDF Created with deskPDF PDF Writer Trial http www docudesk com 3 C Earth s Orientation 1 Plane of the ecliptic 2 Inclination of the axis plane of earth s orbit around the sun tilted 23 5 degrees C Earth s Orientation Circle of illumination PDF Created with deskPDF PDF Writer Trial http www docudesk com 4 D Solstices and equinoxes Circle of illumination PDF Created with deskPDF PDF Writer Trial http www docudesk com 5 Temperature Data at Different Latitudes annual temperature range increases with latitude earth sun geometry is not the only control II Energy Heat and Temperature Universe composed of matter and energy Energy the capacity to do work move matter A Forms of energy 1 Kinetic energy energy of motion 1 2 mv2 atomic level 2 Potential energy potential to do work gh PDF Created with deskPDF PDF Writer Trial http www docudesk com 6 II Energy Heat and Temperature B Temperature a measure of the average kinetic energy of the atoms or molecules in a substance Fahrenheit Celsius and Kelvin 273 C Heat refers to the transfer of energy between substances due to temperature differences heat flow stops when temperatures are equal III Mechanisms of Energy Transfer A Conduction transfer of heat through electron and molecular collision poor conductors insulators air poor conductor metal good conductor PDF Created with deskPDF PDF Writer Trial



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