4 Pacific - A Introduction Pacific Northwest(NW(North...

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1 Pacific Northwest (NW) (North Pacific Coast) A) Introduction B) Physical Geography C) Economy 1 exclude: British Columbia A) Introduction WA, OR, northern CA coastal Alaska 2 Cities: OR: Eugene; Portland WA: Seattle; Spokane [BC: Vancouver; Victoria; Prince Rupert] AK: Juneau; Anchorage A) Introduction 3 Tourist Attractions? 4 B) Physical Geography 1. Volcanoes → Cascades 5 6
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2 Juan de Fuca Plate subducting under the North American Plate 7 III) C) Plate Tectonics 3. Plate Movements) b) Convergence (collision) Chain of volcanic mountains 8 Cascade Range Cascades Cascadia 9 Cascadia 10 Cascadia volcanoes have violent (dangerous) eruptions 11 Mount St. Helens, WA May 18, 1980 12
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3 Mt. St. Helens (before 1980) 13 • [March – May 18, 1980 –1000 EQs –Bulge on north side –5.1 EQ shook free the bulge > fastest landslide on record] 14 [People evacuated, but still 57 people were killed] 15 caldera [sideways blast] 16 Before After 17 18
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4 19 Mount Rainier Mt. St. Helens 20 21 Mt. Rainier, WA (~14,000 ft) Will erupt sometime [last erupted in the 1840s] 22 Mount Rainier overlooking Tacoma 23 Tacoma closest to Mt. Rainier: lava + ash Predicted path of lava if erupted 24
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5 Mount Rainier, Washington 54 miles southeast of Seattle Predicted: dense ash deposition in Seattle-Vancouver area 25 26 27 Mt. McKinley in Denali National Park, Alaska is the tallest mountain in the U.S. (20,236 ft) Top 11 tallest mountains are all in Alaska #14: Mt Elbert, CO 28 B) Physical Geography 2. Climate & Vegetation a Winds carry moisture inland from Pacific Ocean b Clouds, rain on windward side of mountain range c Rain shadow on leeward side of mountain range Moist habitats deserts 29 Maritime Polar (mP) air mass 30
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6 31 • Ketchikan, Alaska: average temperature in January is warmer [35ºF] than here [30ºF] but cooler summers [58ºF in July, compared to 72ºF in East Lansing] Warmer winters along the coast 32 Vegetation → Temperate Rainforest 33 Temperate Rain Forest: needleleaf evergreen 34 35 36
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7 C) Economy 1. Forestry (Timber Industry) Logging “Mill towns” Saw mills Pulp & paper mills • Historically, this industry has been an economic driver for the Pacific Northwest 37
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  • Summer '08
  • STAFF
  • Geography, Cascade Range, West Coast Lifestyle

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