LECTURE_3_1-19-10_INTRO___PLATE_TECTONIC

LECTURE_3_1-19-10_INTRO___PLATE_TECTONIC - Introduction...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Introduction Natural Hazards – Tectonics – Climate/weather Catastrophic events in nature (Chap. 1) Geologic and Atmospheric events + Humans = Hazards Avoidance and Responsibility Prediction and Cyclicity Hazard and Risk Population, Society, and Public Education REMINDER: Class will be cancelled this Thursday
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Events + Humans = Hazards - All geologic and atmospheric processes are naturally occurring events and would eventually occur independent of human interaction * HOWEVER * -The occurrence of humans and infrastructure transforms a natural event into a potential natural hazard
Background image of page 2
When a natural occurring geologic or atmospheric event is responsible for: (1) a large number of human injuries or loss of life and/or (2) major property damage the natural event is referred to as Disaster Catastrophe Hazard Events + Humans = Hazards
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Question to consider: What determines how disastrous a natural hazard is? - Population of a region (number of people affected) - Infrastructure (large metro area vs. rural) -Quality of construction -Response plan after a natural hazard - Location and size of event Events + Humans = Hazards
Background image of page 4
Question to consider: Why do people live, work, and build in geologically hazardous regions? -Nice real estate…good views! -Fertile soil - agriculture -Inexpensive property -Transportation corridors Events + Humans = Hazards
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Question to consider: What steps can be taken to reduce damage from hazards? - Recognize potential risk of a hazard - Be aware of the hazard history of a region - Avoid living in hazardous regions (land use planning) - Prepare your home/family for worst-case scenarios - Familiarize yourself with your community plan for . hazard response (evacuation route, Red Cross . locations, etc…) Avoidance and Responsibility
Background image of page 6
Who/what is to blame for damage and loss of life in natural hazards? -Local government? -Federal government/agencies? -Individual residents of the community? -Scientific community? -Real estate and insurance companies? CASE STUDY: Hurricane Katrina - 2005 Avoidance and Responsibility
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CASE STUDY: Hurricane Katrina - 2005 TIMELINE 1893 -New Orleans City Council authorizes drainage canal system and pump system 1 -New Orleans votes to greatly expand the capacity of pumps; levees are built 2 -14 inches of rain nearly tops levees; flooding in St. Bernard Parish 3 -Construction of Mississippi River-Gulf Outlet (MR-GO); 4 -Landfall of Hurricane Betsy near Grand Isle, LA; levee breach – flooding in the Lower …. Ninth Ward 1995 -Half a billion dollars allocated by local and federal gov. to hurricane mitigation 1 -Scientific models predict category 3 or larger Hurricane will result in major ..... devastation in New Orleans; “Drowning New Orleans” published in science journal 2003 -Army Corp of Engineers key vulnerabilities in levees; restoration is proposed - 2015
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 47

LECTURE_3_1-19-10_INTRO___PLATE_TECTONIC - Introduction...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online