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HURRICANE KATRINA FLOOD. BY: JESSICA KANG. Formed over the Bahamas on August 23, 2005 Crossed southern Florida (category 1) Turned into category 3 on August 29, 2005 and caused severe damage along the Gulf Coast from central Florida to Texas

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Hurricane katrina flood

HURRICANE KATRINA FLOOD

BY:

JESSICA KANG


Facts

  • Formed over the Bahamas on August 23, 2005

  • Crossed southern Florida (category 1)

  • Turned into category 3 on August 29, 2005 and caused severe damage along the Gulf Coast from central Florida to Texas

  • The most severe damage occurred in New Orleans, Louisiana

Facts


More facts

More Facts


History

History


History1

History


Geologic setting

Geologic Setting


Three processes behind ground subsidence on peat

  • “Consolidation due to loss of water, when the peat loses volume in response to the loss of support offered by internal water pressure

  • Compaction under load, both self-loading and imposed by other sediments or built structures, when the highly porous peat restructures into a denser material

  • Wastage on exposure to air, when the peat simply oxidises and disappears where loss of water leaves it above the water table.”

Three Processes Behind Ground Subsidence on Peat


Artificial levees

Artificial Levees


How the levees failed

How the Levees Failed


Solutions it s complicated

  • To rebuild or not to rebuild. . . Ethical issues protect this sinking city, artificial levees were built.

    • Rebuild

      • Continue building higher levees as the city keeps sinking

      • Is it the right thing to do to rebuild in a hurricane prone area?

    • Not to Rebuild

      • Most people want to hear good news

        • In the short-run it may be good, but in the long-run?

      • Who is going to be responsible for the victims?

        • Many victims were thrown out of their trailer that was provided as shelter after the disaster

        • Government aid has also been cut off

Solutions: It’s Complicated!


Works cited

  • Risk Management Solutions Inc. “Hurricane Katrina: Lessons of a Super Cat.” http:///www.rms.com. Web. 24 Feb. 2010.

  • Robertson, Ian N. "Lessons from Hurricane Katrina storm surge on bridges and buildings." Journal of Waterway, Port, Coastal and Ocean Engineering 133.6 (2007): 463-483. GeoRef. EBSCO. Web. 24 Feb. 2010.

  • Waltham, Tony. "The flooding of New Orleans." Geology Today 21.6 (2005): 225-231. GeoRef. EBSCO. Web. 24 Feb. 2010.

  • Hurricane Katrina. http://en.wikipedia.org/wiki/Hurricane_Katrina

  • http://farm1.static.flickr.com/31/43339467_fbed13883f.jpg

  • http://www.nhc.noaa.gov/HAW2/english/history/katrina_2005_map.gif

  • http://lh3104.k12.sd.us/Event/katrina-new-orleans-flooding3-2005.jpg

  • http://www.nytimes.com/2009/12/29/us/29trailer.html?_r=1

Works Cited


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