Final Report from the NRC Committee on the Review of the Louisiana Coastal Protection and Restoration (LACPR) Program (2009) / Chapter Skim
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4 Future Planning and Project Implementation for Coastal Restoration and Hurricane Protection
4 Future Planning and Project Implementation for Coastal Restoration and Hurricane Protection
Pages 33-38
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From page 33... ...
The outcomes from diversions will have to be monitored in order to adjust and improve future actions. Following up and adjusting programs related to compliance with nonstructural flood risk reduction initiatives and incentives will also be important to their future performance and effectiveness.
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From page 34... ...
Removing river water to create diversions for wetlands restoration, while also maintaining full navigational uses of the river, means that dredging costs will rise. Increased diversions imply reduced benefits for navigation, and vice versa.
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From page 35... ...
There are of course many parties encouraging population growth in the region, but efforts to resettle people back into vulnerable areas will increase the flood risks to the city and its inhabitants and will not improve public safety. It is encouraging that the LACPR draft final technical report describes the importance of preventing induced development.
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From page 36... ...
If these projects are to be developed and implemented in a coordinated fashion across all of coastal Louisiana, this current situation of multiple authorizations -- which may entail lengthy re-authorization processes if the Corps wishes to adjust operational goals -- will hinder comprehensive, collaborative, and adaptive restoration and protection. The LACPR draft final technical report indicates that the majority of the improvements identified for final consideration therein could be implemented under the multiple, existing authorizations for hurricane protection across southern Louisiana, either directly or by utilizing project change orders and that the remainder could be handled by new authorizations; however, it is not clear that this is advisable.
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From page 37... ...
Their approach was to build in adaptation based on a major analytical and modeling effort and to seek congressional approval for a unique type of program authorization. The LACPR program is similar to the Everglades Restoration Plan in its spatial extent, hydrologic and ecologic complexity, and uncertainties regarding outcomes of future ecosystem restoration and hurricane protection efforts.
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From page 38... ...
; • There should be a requirement of external review of new or substantially modified projects and periodic external review of existing projects; • It is necessary to clearly delineate the roles of the federal and state governments in the collaborative design and development of a comprehensive system that includes coastal, structural, and non-structural protections and ties together initial system design and construction with long-term maintenance and op erations using adaptive management. The multiple authorizations that govern ecosystem restoration and hurricane protection in southern Louisiana represent a piecemeal approach and may hinder integrated, adaptive restoration and protection improvements across the region.
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