NOTABLE DISASTERS OF 2012 HIGHLIGHTS (In Reverse Chronological Order Within Each Natural Hazard,...
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Transcript of NOTABLE DISASTERS OF 2012 HIGHLIGHTS (In Reverse Chronological Order Within Each Natural Hazard,...
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NOTABLE DISASTERS OF 2012
HIGHLIGHTS(In Reverse Chronological Order
Within Each Natural Hazard, Technological Hazard, or
Environmental Hazard Category)
Walter Hays, Global Alliance for Disaster Reduction, University of
North Carolina, USA
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PART 5:TRASH FROM THE MARCH 2011 JAPANESE TSUNAMI
UNKNOWN CONSEQUENCES
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1 1/3 YEAR AFTER THE MARCH 11, 2011 EARTHQUAKE-
TSUNAMI DISASTER IN JAPAN
THE PROBLEM CONTINUES TO GROW
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The March 11, 2011 tsunami swept as much debris into the ocean in one day as is usually dumped in a year
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TSUNAMI TRASH DUMP IN JAPAN: MARCH 11, 2012
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TRASH FROM MARCH 11, 2011 JAPANESE TSUNAMI: (US NAVY PHOTO)
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WHAT HAPPENED?
• Immediately after the tsunami waves dissipated, heavy items sank to the ocean floor close to shore, - - -
• But, at least 1.5m tons of debris were carried off by currents and began making the 4,500-mile journey across the Pacific
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INITIAL PATH OF TSUNAMI TRASH
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TSUNAMI DEBRIS REACHING HAWAII
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WHAT HAPPENED?
• But, at least 1.5m tons of debris were carried off by currents and began making the 4,500-mile journey across the Pacific
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WHAT HAPPENED?
• Within a month after the tsunami, the debris had dispersed and was stretched across 6,666 nautical km (4,000 nautical miles) of the north Pacific.
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NATURE OF THE TRASH
• The tsunami trash contains refrigerators, boats, houses, cars, trees, Harley Davidson motorcycles, golf clubs, and many kinds of debris.
• IT MAY also CONTAIN RADIOACTIVE MATERIALS, although not expected to constitute a significant risk.
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ONE YEAR LATER
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THE PROBLEM
MORE THAN 20 MILLION TONS OF TRASH CREATED
BY THE MARCH 11, 2011 TSUNAMI ARE BEGINNING
TO REACH THE USA
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LOCATION OF TRASH: MARCH 11, 2012
• About 3333 km (2,000 miles) south of Japan and 4333 km (2,600 miles) southwest of Cook Inlet, Alaska.
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SIZE OF FLOATING TRASH
• More than three times the size of the contiguous United States.
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ALTHOUGH RADIATION AND DEAD
BODIES ARE NOT EXPECTED, THE TRASH REPRESENTS A
HUGE ENVIRONMENTAL PROBLEM,
FOR WHICH THERE IS LITTLE EXPERIENCE
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ESTIMATED TIME OF ARRIVAL
• The floating trash is headed towards the beaches of Hawaii first in April, 2012, and then on to Alaska
• The trash is estimated to reach the Pacific Northwest states in 2014 and head back to the central Pacific
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INITIAL CONSIDERATIONS
THE USA IS NOT PREPARED TO DEAL WITH THIS PROBLEM
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PREDICTIONS OF ARRIVAL
• Most of the debris is predicted to reach various parts of North America (Oregon, Washington, Canada, Alaska) in a trickle, not an avalanche, beginning in July 2012 and continuing into 2014.
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A 70 FT FLOATING DOCK REACHES OREGON: JUNE 6
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SOME TSUNAMI TRASH REACHES BRITISH COLUMBIA: JULY 12
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SOME TSUNAMI TRASH REACHES BRITISH COLUMBIA: JULY 12
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MANY SCIENTISTS BELIEVE THE TRASH WILL
EVENTUALLY END UP IN “THE GREAT PACIFIC
GARBAGE PATCH” 1660 KM (1000 MILES) NORTH
OF HAWAII
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THE GREAT PACIFIC GARBAGE PATH
• Discovered in 1997
• Contains millions of tons of the world’s trash kept in slow perpetual motion by rotating oceanic currents
• Hundreds of km (miles) across
• A DEAD ZONE FOR MARINE LIFE
• A threat to navigation and ecosystems
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No one seems to know how the debris field will affect
fishing, a multi-billion dollar industry in the Pacific
Northwest.
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THE TSUNAMI TRASH CHANGES CLEAN-UP PLANS
• 2009’s tentative plans to clean-up and recycle the trash in the Pacific Garbage Patch are on hold now, waiting for the tsunami trash to be added to the mix.
• Intense monitoring is planned to determine the levels of radioactivity in the trash and how they change over time.
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No one seems to know how much it will cost to clean up
the Garbage Patch, especially now.