InTeGrate Modules and Courses >Coastal Processes, Hazards and Society > Student Materials > Section 3: Coastal Engineering, Mitigation and Societal Response to Coastal Hazards > Module 8: Managed Retreat/Multi-Layered Protection > Alternate Approaches
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These materials are part of a collection of classroom-tested modules and courses developed by InTeGrate. The materials engage students in understanding the earth system as it intertwines with key societal issues. The collection is freely available and ready to be adapted by undergraduate educators across a range of courses including: general education or majors courses in Earth-focused disciplines such as geoscience or environmental science, social science, engineering, and other sciences, as well as courses for interdisciplinary programs.
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Initial Publication Date: December 7, 2016

Alternate Approaches

Alternate Approaches to Coastal Hazard Mitigation

After Super Storm Sandy devastated the New Jersey coast and flooded coastal New York, including parts of Manhattan, the debate about rebuilding in place or implementing more sustainable coastal hazard mitigation practices raged.

The traditional practices in the U.S. and elsewhere have been to armor the shorelines and replenish beaches to prevent or mitigate erosion. Recovery from flooding has relied on programs such as the National Flood Insurance Program, the Federal Emergency Management Agency (FEMA), and others, to allow home and business owners to rebuild. There is a growing recognition that hard structure protection and rebuilding in place are not sustainable practices, especially as we become increasingly aware that storms of Sandy and Katrina magnitude may be occurring more frequently with our changing climate. Greater emphasis is now being placed on coastal communities developing better resilience to repeated coastal flood events and sea level rise.

Following the devastation of Sandy in the northeast, some geologists weighed in on the debate to advocate alternatives to rebuilding such as managed retreat.

Mandatory Introductory Readings:

Read the following two articles in which Orrin H. Pilkey, emeritus professor of earth sciences at Duke University explains the rationale behind moving away from the "madness" of rebuilding in places that have proven to have high rates of repetitive impacts of coastal hazards such as hurricane storm surges.

We need to retreat from the Beach

Rebuild or Retreat from the Jersey Shore

After reading both articles, please complete the assignment below before moving onto the next section.

Activate Your Learning

While this activity is not for credit. You will be expected to know the material in quizzes and midterms.

Assignment:

Make a list of Orrin Pilkeys recommendations for "ending this cycle of repairing or rebuilding properties in the path of future storms".

If you owned a house that was destroyed by Sandy, what considerations would you need to take into account in order to decide whether to rebuild or not?

Given the predictions of sea level rise and increased storm frequency that have already been discussed, make a list of major considerations that local and regional authorities will need to consider in the next 20 years in coastal cities such as Jersey City and even major cities such as New York, in order to increase the resilience of their communities. Add your predictions in the space provided below.


These materials are part of a collection of classroom-tested modules and courses developed by InTeGrate. The materials engage students in understanding the earth system as it intertwines with key societal issues. The collection is freely available and ready to be adapted by undergraduate educators across a range of courses including: general education or majors courses in Earth-focused disciplines such as geoscience or environmental science, social science, engineering, and other sciences, as well as courses for interdisciplinary programs.
Explore the Collection »