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World Geography October 19, 2015 Daily Warm-up: 10-19-15 In your experience, how do climates affect people’s lives? Daily Objectives: Students will be able to… examine the shared climates and vegetation of the United States and Canada. identify differences in climate and vegetation between the United States and Canada. describe the effects of extreme weather in the United States and Canada. Agenda: 1. Daily Warm-up 2. Daily Objective Review 3. The U.S. and Canada: A Land of Contrasts—Climate and Vegetation PWPT 4. The U.S. and Canada: Physical Map pg. 9-10 Homework: 1st & 5th Period-Complete Map Physical Geography of the U.S. and Canada: A Land of Contrasts Climate and Vegetation Essential Question: What are the key physical features of the United States and Canada? Climate and Vegetation Almost every type of climate is found in the 50 United States because they extend over such a large area north to south. Canada’s cold climate is related to its location in the far northern latitudes. Shared Climates and Vegetation U.S. and Canada Climates U.S. has more climate zones than Canada U.S.: moderate midlatitudes, Canada: colder high latitudes Climate and Vegetation of the U.S. and Canada Climate and Vegetation of the U.S. and Canada Climate and Vegetation of the U.S. and Canada Shared Climates and Vegetation Colder Climates Arctic coast is tundra: huge, treeless plain with long, cold winters some permafrost—permanently frozen ground Rockies and Pacific ranges are highland: colder, sparse vegetation affect weather in lower areas: block Arctic air, trap Pacific moisture Shared Climates and Vegetation Moderate Climates North central, northeast U.S., southern Canada are humid continental cold winters; warm summers; heavy agriculture Pacific coast has marine west coast climate warm summers; long, mild, rainy winters; mixed vegetation climate affected by ocean currents, coastal mountains, westerlies prevailing westerlies—middle-latitude winds blowing west to east Differences in Climate and Vegetation Milder Climates Much of U.S. located south of 40 degrees north latitude Southern states are humid subtropical milder, dry, and tropical climates hot summers; mild winters; long growing season for variety of crops Central, southern California coasts have Mediterranean climate dry, warm summers; mild, rainy winters; fruits, vegetables grow well Differences in Climate and Vegetation Dry Climates Great Plains, northern Great Basin semiarid: dry with short grasses Southwest is hot, dry desert, including Mojave and Sonoran deserts Tropical Climates Hawaii is tropical wet: rain forests, temps around 70 degrees Fahrenheit Mount Waialeale on Kauai Island is one of the wettest spots on earth South Florida is tropical wet and dry: warm with tall grasses Everglades—swampland covering 4,000 square miles Effects of Extreme Weather Natural Hazards Warm Gulf air clashes with cold Canadian air over the Great Plains Natural Hazards of the U.S. and Canada creates thunderstorms, tornadoes, blizzards Hurricanes sweep the Gulf and Atlantic coasts in summer and fall Heavy rains cause floods along big rivers like the Mississippi Effects of Extreme Weather Natural Hazards Natural Hazards of the U.S. and Canada Heat, lack of rain bring droughts, dust storms, forest fires Natural Hazards of the U.S. and Canada The U.S. and Canada: Physical Map pg. 9-10