1. 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:
Session 7: Coastal Hazards II
Coastal Hazards Management Course
Slide 7. 0, Lecture Outline

2. The Dolan-Davis Nor’easter Intensity Scale
Other Coastal Hazards: Nor’easter
The Dolan-Davis Nor’easter Intensity Scale
(Courtesy:
(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

3. 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:
High Wind
Session 7: Coastal Hazards II
Coastal Hazards Management Course
Slide 7. 2, Related Hazards

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. Disasters: Flooding (Courtesy: Washingtonpost.com) (Courtesy: NOAA)
Session 7: Coastal Hazards II
Coastal Hazards Management Course
Slide 7. 9, Human Impacts due to Flood