Chapter 17.4

Chapter 17.4 - Chapter 17.4 Deciphering Past Climates:...

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Chapter 17.4 Deciphering Past Climates: Paleoclimatology I.a. Mechanisms of Climate Fluctuation I.a.i. Climate and Celestial Relations I.a.i.1. As solar system revolves around center of Milky Way, Earth's plane of ecliptic aligns parallel to galaxy's plane--> pass through regions of dust and gas I.a.i.2. Studies of celestial cycles Milutin Milankvitch, Yugoslavian astronomer: I.a.i.1.a. Earth's elliptical orbit about Sun is not constant I.a.i.1.b. Earth's axis "wobbles", called precession and varies in degree of tilt I.a.i. Climate and Solar Variability I.a.i.1. Ice-age timing can correspond to Sun's variable output I.a.i. Climate and Tectonics I.a.i.1. Major glaciations associated with plate tectonics b/c some landmasses migrated to higher, cooler latitudes I.a.i.1. Mountain building affects climate change as summits rise above snowline, where snow remains after summer melt and they influence downwind weather patterns and jet-stream circulation (which guides weather systems) I.a.i.
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Chapter 17.4 - Chapter 17.4 Deciphering Past Climates:...

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