20 Global Climate Patterns

20 Global Climate - Global Climate Patterns GEOG345 Textbook chapter 10(except El Nio and the Southern Oscillation and beyond chapter 17 Global

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Global Climate Patterns GEOG345 November 16, 2006 Textbook: chapter 10 (except El Niño and the Southern Oscillation and beyond) chapter 17 – Global Climate Lecturer: Pablo Paiewonsky
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Miscellaneous Key Terms Microclimate , mesoclimate , and macroclimate are the climates at the small, middle, and large scale, respectively. Global climate is the climate at the global scale. We’ll be dealing with global climate.
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Miscellaneous Key Terms Key Terms (pt. 2) Climatic Controls “are the factors that govern the climate of any given region.
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Miscellaneous Key Terms Key Terms (pt. 3) P/E index = annual sum of monthly precipitation / monthly evaporation; used to determine how arid (dry) a particular location is, overall.
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Basic Patterns What are some global climate patterns?
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Basic Patterns Outline 1.Hot near equator, cold in poles 2. Decreasing precipitation as you move toward poles (because warm air can hold more moisture than cold air) 3. Indian monsoons
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Basic Patterns Outline (cont.) 5. Greater temperature differences between seasons as you move pole-ward 6. Greater temperature differences between seasons as you move away from water 7. Large arid areas in the subtropics
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Basic Patterns Outline (cont.) 8. Cool summer on west coasts of many continents in the subtropics 9. Mediterranean climates (mild, rainy winters and mild to hot, dry summers) 10. Mild west coast winters
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Fig. 2-17, p. 47 This contrast is the primary driving force of atmospheric and oceanic circulation -> weather and climate. Variation of energy balance by latitude
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Fig. 17-1, p. 461 Mean Annual Temperature (˚F)
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What causes the Indian Monsoon?
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Fig. 9-27, p. 241 Indian monsoon Seasonal change of wind direction Contributing factors: thermal high / low development; seasonal change of position of the ITCZ and the corresponding change of wind direction due to Coriolis force
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Fig. 9-28, p. 242 Indian monsoon large contrast in precipitation between summer and winter (rainy and dry season) Monsoon is vital in the region. Accurate prediction essential.
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Seasonality 1) Why does the difference in temperature between summer and winter tend to increase as you go from equator to poles? 2) Why are seasons less extreme near the open ocean?
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Seasonality 1) High latitudes get little light during winter, but lots of light during summer. (e.g. Fairbanks, AK and Miami, FL.)
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This note was uploaded on 04/10/2008 for the course GEOG 345 taught by Professor Csiszar during the Fall '06 term at Maryland.

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20 Global Climate - Global Climate Patterns GEOG345 Textbook chapter 10(except El Nio and the Southern Oscillation and beyond chapter 17 Global

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