chap2 - 9/5/2011 Geography of Global Village Chapter 2 -...

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9/5/2011 1 Geography of Global Village Chapter 2 - The Changing Global Environment GEOG 202-509 Learning Objectives Learn the basics of Earth’s environmental systems to prepare for later chapters Understand some of the following concepts, models, and terms: – Anthropogenic – Bioregion – Climograph – Desertification – Greenhouse effect – Green Revolution – Prairie – Steppe Key Terms: Global Climate Weather: short-term, day-to-day expression of atmospheric processes Climate: long-term, average conditions At least 30 years of daily weather data (temperatures and precipitation) Climate regions: boundaries drawn around areas with similar average climate conditions
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9/5/2011 2 World Climatic Region Knowledge of climate regions helps us make inferences about human activities and settlement. Climate Type Region A Wet – moist (tropical areas) B Dry – dry; desert type C Mild Midlatitude – humid and moist D Continental Midlatitude – inner continental and high-latitude areas E Polar F Highland – mountain type Köppen’s Climatic Classification Key Concepts: Global Climate (Contd.) Climograph: provides information on average high and low temperatures and precipitation for every month in a year Graph includes these components: Average high temperature (upper line) Average low temperature (lower line) Average precipitation (bars)
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9/5/2011 3 Climograph TERRE HAUTE, INDIANA 30-Year Normals 1971-2000 0 10 20 30 40 50 60 70 80 90 100 1 2 3 4 5 6 7 8 9 10 11 12 Degrees (F) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Inches Global Climates: An Uncertain Forecast Climate Change due to anthropogenic activities Global warming – increase in temperature of the Earth’s atmosphere Greenhouse effect – natural process of lower atmospheric heating that results from trapping of incoming and reradiated solar energy by water moisture, clouds and other atmospheric gases. Impacts -
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This note was uploaded on 11/27/2011 for the course GOEG 202 taught by Professor Goel during the Fall '11 term at Texas A&M.

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chap2 - 9/5/2011 Geography of Global Village Chapter 2 -...

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