key terms: divide headwaters tributary fall-line fossil fuel fishery aquaculture
TRANSCRIPT
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THE PHYSICAL GEOGRAPHY OF THE U.S. and CANADA
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THE LAND
Key Terms: Divide
Headwaters Tributary Fall-line
Fossil fuel Fishery
Aquaculture
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WESTERN MOUNTAINS, PLAINS, and PLATEAUS
Pacific Ranges-collision b/t plates Ex: Sierra Nevada, Cascade Range,
Alaska RangeMt. McKinley- Alaska Range (20, 320
ft.)Rocky Mountains
Link Canada and US (NM to Alaska)Dry Basins & Plateaus
Fill land b/t Rockies and Pacific RangesColorado Plateau- Grand CanyonEast of Rocky Mts.- Great Plains
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WESTERN MOUNTAINS, PLAINS, and PLATEAUS
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EASTERN MOUNTAINS and LOWLANDS
East of Mississippi River Appalachian Mts. (oldest in US)
Canada Canadian Plains▪ Edge is the Canadian Shield▪Located on the Hudson and James Bays▪Anchors the continent
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ISLANDS
Both US and Canada have these
In US Hawaii Continental Islands- submerged parts of the continental shelf
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WATER SYSTEMS
Make Canada and US prosperous In US
Continental Divide- high ridge that determines the direction in which rives flow
East of Divide- toward the Arctic Ocean, Hudson Bay, the Atlantic, or the Mississippi
West of Divide- Pacific Headwater- source of the river
Ex: Colorado and Rio Grande (Rocky Mts) Tributaries- smaller water systems that
connect to larger rivers Mississippi- Longest River in US (2,350 ft)
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LAKES and OTHER WATERWAYS
Glacial Dams- Canada- Great Bear and Great Slave Lake
Glacial Basins- Great Lakes Rich in coal, iron and other materials
Links to inland and coastal waterways= $$$$$$
Ex: Great Lakes and St. Lawrence Seaway sys. Canals, St. Lawrence River and other
waterways link the Great Lakes to the Atlantic INDUSTRY
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LAKES and OTHER WATERWAYS
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NATURAL RESOURCES
Canada and US- Petroleum and Natural Gas US= Texas; Canada=Alberta
Mineral Resources US= Rockies: gold, silver, copper Canadian Shield= iron and nickel
Timber and Fishing Trees are renewable
Atlantic-Pacific-Gulf of Mexic0 Fisheries- place for catching fish
Grand Banks- Canada’s best fishing spot 139,000 sq. mi.
Problem: overfishing Solution: Aquaculture= fish farms
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THE CLIMATE and VEGETATION OF THE U.S. and CANADA
KEY TERMS: HURRICANE CHAPARRAL
PRAIRIE SUPERCELL TIMBERLINE
CHINOOKBLIZZARD
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THE SOUTHERN CLIMATES Subtropical, tropical, desert,
Mediterranean 25°N to 40°N
Warm and Wet Humid-Subtropical▪ Ex: The Everglades; hurricanes
Extreme Southern tip of Florida▪ Tropical= distinct dry season (Winter)
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SOUTHERN CLIMATES (cont) Warm and Dry
Have rain-shadow effect- dry desert on leeward side of mountain
Plateaus and Basins b/t the Rockies and Pacific Ranges ▪ Ex: Death Valley
Mediterranean- Central and Southern California Mild, wet Winters & hot, dry
Summers Vegetation in this area=
chaparral
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NORTHERN CLIMATES
Interior Ex: Great Plains- Humid Continental Bitterly cold Winter, hot Summer
Vegetation Prairie- treeless grasslands in Great
PlainsWeather
Supercell- violent T-storms w/tornados and winds of 300+ mph
Dust Bowl- 1930s drought
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HIGHLAND CLIMATE
Due to elevation Ex: Rocky Mountains and Pacific Range
Timberline Elevation above which trees cannot grow
Springtime Chinook- warm dry wind that blows through the area in Spring, melting the snow
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COASTAL CLIMATE
Northern California to Southern Alaska Features▪Over 100 inches of rain annually▪Winter- overcast and rainy▪Summer- cloudless▪Coniferous forests
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HIGH LATITUDE CLIMATE
Canada and Alaska Features:▪ Frigid Winter▪ Blizzards- heavy snow w/ winds above 35 mph▪ Coniferous trees from Newfoundland to the Yukon Territory▪ Layers of ice and snow over 2 miles thick
Perspective A mile is 5,280 ft.