All Notes for GEOG 2253

Lowerincomeresidentsdisplaced

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Unformatted text preview: ons struggle Region of consumers— 5% of world’s population consume 25% of the world’s commercial energy use almost twice as much energy per capita as the Japanese and 16 times that of people in India U.S.—The World’s Superpower— Affluence—World’s Wealthiest Region High rates of consumerism Advance economy and political system Home to U.N., IMF and World Bank Highly industrialized and urbanized Resource rich High quality farmlands and minerals Excellent transport and communication Downside of Development— Native populations diminished Forests and grasslands denuded Millions of acres of forests replaced with farmlands or grasslands Soil erosion due to unsustainable farming practices Extinction of species Europeans brought new species Rivers diverted Natural resources wasted Costs of Human Modification— Urbanization changes the land 2 million acres of farmland converted to urban uses each year Settlement of N America changed the landscape dramatically Managing water— N Americans use a lot of water City dwellers use 175 gallons/person/day; agriculture and industrial uses average 1,500 gallons/person/day Ogallala Aquifer is 100 feet lower than 50 years ago Ogallala Aquifer Depletion— OA a major source of water for agriculture and industry Withdrawal of water outpaces the natural recharge Diverse Physical Setting— Gulf­Atlantic Coastal Plan Piedmont, Appalachian Mountains Rockies exceed altitude of 10,000 feet Pacific Mountains, Cascade Mountains, Sierra Nevada Great Plains in Midwest Arctic Tundra in Alaska Tropical forest in Hawaiian Islands US Geography— Major Rivers Mississippi Missouri Ohio Rio Grande Columbia Climate of North America— NA climate is highly diverse Large size Latitudinal range Varied terrain Main Climate Types— Subtropical—Florida, parts of Texas, etc. Mediterranean—California Semi­arid—Arizona, NM, Nevada Continental—Oklahoma, Kansas, etc. Population & Settlement— Total North American Population—340 Million United States: 307 million Canada: 33 milli...
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