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Before the flood

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Page 1: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Beforethe flood

Page 2: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Great Floodof 1993

Page 3: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Gasconade River

Page 4: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Missouri River

Page 5: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Figure 5.2

Page 6: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Regional – affected nine states

Page 7: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Region affected

Page 8: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 9: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Previous major flood 1973 $1.2 billion

1993 Flood > $15 billion

Late June through early August

21,000 square miles flooded

Wet autumn, heavy spring snowmelt, early June high and low pressure patternsestablished and did not move

Wettest summer on record 35 inches in 4 months(equivalent to an entire average year)

Page 10: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Hydrograph from Mississippi River

30 feet was considered 500-year flood

Page 11: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 12: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 13: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 14: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 15: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 16: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Missouri River floodplain

Page 17: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Cedar City, Iowa

Page 18: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Iowa farmland

Page 19: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Levee breaks

Page 20: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Jefferson City, Missouri

Page 21: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Confluence of Mississippi & Missouri Rivers

Page 22: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 23: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 24: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 25: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Chapter 5 Opening Figure

Page 26: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Figure 5.3

Page 27: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Figure 5.4

Page 28: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 29: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 30: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

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Page 31: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Floodplain deposits

Page 32: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Missouri River floodplain after the flood

Page 33: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Rebuilding: Higher and stronger levees

Page 34: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

Rebuilding: A new mall in the floodplain

Page 35: Before the flood - utoledo.edu · Previous major flood 1973 $1.2 billion 1993 Flood > $15 billion Late June through early August 21,000 square miles flooded Wet autumn, heavy spring

What policies would you recommend to minimize future flood damage?