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CHC Final Report
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CHC Final Report
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CZM Coastal Hazards Program


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Preparing for the Storm:
Recommendations for Management of Risk from Coastal Hazards in Massachusetts



Appendix C - Potential Benefits And Impacts Of Protection Alternatives

The Protection Working Group, whose members included geologists, engineers, and fisheries biologists from public and private scientific and regulatory agencies, analyzed structural and nonstructural alternatives to protect development from flooding, erosion, and other coastal hazards. This analysis lead to the development of the following list of primary potential benefits and impacts along the coast of Massachusetts. The potential benefits and impacts of protection alternatives are based on the assumption that the alternatives will be properly designed, engineered, and constructed using best available measures. The benefits and impacts will vary depending on specific site conditions including placement location. This list should be a valuable resource during the evaluation of innovative erosion control measures (Recommendation #27). The list is also intended as a general resource for decision makers who may not have knowledge of what potential benefits and impacts may exist.

  BENEFITS IMPACTS
Societal
Goals (S)
  1. public safety (protection of buildings, infrastructure, etc.)
  2. public heath (protection of septic systems, etc.)
  3. public welfare (maintain property value)
  1. adjacent property impacts (end scour)
Physical
Resources
(P)
  1. maintain sediment supply
  2. maintain coastal landform
  1. source sediment reduction/elimination
  2. erosion of downdrift coastal landform (beach, dune, etc.)
  3. erosion of fronting beach
  4. direct loss of landform (displacement)
Biological
Resources
(B)
  1. maintain ecological value
  2. enhance ecological value
    1. shellfish
    2. finfish
    3. crustacean
    4. SAV
    5. wildlife habitat
  1. direct loss of resource (displacement)
  2. decrease ecological value
    1. shellfish
    2. finfish
    3. crustacean
    4. SAV
    5. wildlife habitat
    6. water quality
Recreation
(R)
  1. provide lateral access (along beach)
  2. provide perpendicular access (to beach)
  3. beach use
  4. fishing
  5. boating
  1. impede lateral access (along beach)
  2. impede perpendicular access (to beach)
  3. decrease swimming safety
Navigation
(N)
  1. safe navigation
  1. hazardous navigation


Also see the:

Structural Alternative Benefit and Impact Table

Non-Structural Alternative Benefit and Impact Table


 

 
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