ction money, bridge construction costs, and financing for additional infrastructure. The resulting need for nourishment programs is costly. For example, the Water Resources Development Act of 1999 authorized $300 million in sand pumping and other coastal subsidies, with additional long-term maintenance costs of $330 million. At the same time, taxpayers continue to pay maintenance costs on every project initiated over the last half-century. Savitz will also address recent project authorizations, trends in financing these projects, and future public policy directions.
Ecological Impacts of Beach Nourishment: A Geologist's Perspective
Tracy Monegan Rice, U. S. Fish and Wildlife Service, Raleigh, NC, Tracy_Rice@fws.gov, 919-856-4520 ext. 12
Coastal geology plays an integral role in determining the ecological impacts of artificial beach nourishment. These projects create an artificial base on the beach and shore face, they expose a new base in pits from which sand is removed, and they add large volumes of sediment to the transport system. Higher erosion rates of "fill" material increase the dynamism of coastal habitats. Rice will discuss specific impacts on different types of North Carolina wildlife.
Corps of Engineers' Views of Environmental Impacts of Beach Nourishment
G. Frank Yelverton, US Army Corps of Engineers, Wilmington, NC, frank.yelverton@usace.army.mil, 910-251-4640
The Army Corps of Engineers has extensively monitored environmental impacts. Yelverton will discuss results as well as current monitoring efforts and needs for future monitoring. Both "borrow" and "nourishment" sites experience impacts. Impacts vary among the different types of "borrow" sites, although evidence indicates that most are of short duration. Impacts to nourished areas are also generally of short duration if the material from the "borrow" site is compatible with the exist
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Contact: Ann Cairns
acairns@geosociety.org
303-447-2020 ext 156
Geological Society of America
28-Mar-2001
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