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Session 6 - 7: Major Coastal Hazards (Session 7: Part II). These sessions will introduce the basic natural processes, historical geographic ranges, and potential impacts of the natural hazards that are unique to the coastal zone. (Courtesy: http://www.nasa.gov/).

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Session 6 - 7: Major

Coastal Hazards

(Session 7: Part II)

These sessions will introduce the basic natural processes, historical geographic ranges, and potential impacts of the natural hazards that are unique to the coastal zone.

(Courtesy: http://www.nasa.gov/)

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 0, Lecture Outline


Other Coastal Hazards: Nor’easter

The Dolan-Davis Nor’easter Intensity Scale

(Courtesy: www.mcwar.org)

(Courtesy: NOAA)

  • Nor’easters are similar to hurricanes, but rotate in the opposite direction and occur more often in the winter time

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 1, Nor’easters


Other Coastal Hazards: Hurricane and Nor’easter Related

Storm Surge, High Wind, Torrential Rain, Severe Winter Weather, and Waterspout all can occur as a result of hurricanes or nor’easters.

(Courtesy: NOAA)

(Courtesy: NOAA Photo Library)

Storm Surge

Waterspout

Torrential Rain

(Courtesy:http://www.weatherstock.com/)

High Wind

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 2, Related Hazards


Other Coastal Hazards: Rip Current

  • Rip current is also a unique hazard in the coastal zone

(Courtesy: NOAA)

  • A rip current from the air

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 3, Rip Current


Impacts: Natural Environment

  • Natural disturbances from hazards have an effect on coastal ecosystems such as coral reefs and seagrass

(Courtesy: John Bruno)

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 4, Environmental Impacts


Impacts: Human Environment

Disasters occur when the human built environment meets natural hazards

Sandy beach/barrier island development

(Courtesy: John Bruno)

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 5, Human Impacts


Disasters: Hurricanes

(Courtesy: NOAA Photo Library)

(Courtesy: FEMA)

On average, hurricanes kill 80 people per year in the US and Hurricane Andrew alone caused more than $25 billion in damages

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 6, Human Impacts due to Hurricanes


Disasters: Coastal Erosion

(Courtesy: NASA)

Coastal Erosion predictions for a section

of shoreline in Delaware show the possible extent of destruction to the built environment over time

(Courtesy: USGS)

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 7, Human Impacts due to Coastal Erosion


Disasters: Tsunami

Downtown Hilo, Hawaii after the 1960 Chilean Tsunami

(Courtesy: The Honolulu Advertiser)

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 8, Human Impacts due to Tsunami


Disasters: Flooding

(Courtesy: Washingtonpost.com)

(Courtesy: NOAA)

Session 7: Coastal Hazards II

Coastal Hazards Management Course

Slide 7. 9, Human Impacts due to Flood


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