GEOG 1001 Chapter : North America
Document Summary
Gulf atlantic plain: southern n. y. to texas, farmland, site of early european settlement. Piedmont, appalachians: rugged terrain, less densely settled. The fall line: marks the area where the upland regions meets the coastal plain, major eastern u. s. cities, trenton, n/. J. , philadelphia, washington d. c: rapids and waterfalls, river port settlements. Interior lowlands: largest landform region, good soils, gentle slopes for farming. Rocky mountains: running from alaska to northern new mexico, high mountains, mineral riches. Water: 3rd largest consumer of water in the world. Ogallala aquifer: groundwater created during last ice age, dropped 100 feet in 50 years, irrigates 20% u. s. cropland. Colorado river: 17 million people, 70% of california farms, lawsuits. Acid rain: airborne pollutants, industry, cars, mix with moisture in air come down as precipitation. Modern population: north america is 80% urban, canada, 90% live within 100 miles of us, megalopolis: mega=big/great, polis=city, largest urben conglomeration in us, boston to washington d. c. , including nyc, baltimore,
