Publications by authors named "Thomas J Fredette"

Article Synopsis
  • Navigation infrastructure like channels and lock-and-dam facilities is crucial for safe water transportation, and recent planning efforts are shifting towards including environmental enhancements alongside traditional assessments.
  • A study was conducted to explore how the US Army Corps of Engineers and federal agencies view the concept of Environmental Enhancement of Navigation Infrastructure (EENI), identifying challenges and opportunities for better integration of environmental benefits in these projects.
  • Recommendations from the study include promoting EENI among planners, documenting successful existing projects, launching pilot studies on innovative new ideas, and creating national goals and agreements to improve implementation efforts.
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A monitoring survey was conducted in July 2005 at the Rhode Island Sound Disposal Site (RISDS) as part of the Disposal Area Monitoring System (DAMOS) program. The survey included the collection of sediment-profile and plan-view images, and benthic biology grabs. Each of these techniques provides a different, yet complementary perspective on benthic community conditions.

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Confined aquatic disposal (CAD) cells are increasingly becoming the selected option for the management of unacceptably contaminated sediments. CAD cells are selected as the preferred alternative because this approach provides an acceptable compromise when cost, logistics, regulatory acceptance, environmental risk, and perception of various alternatives are considered. This preference for CAD cells often occurs even when other alternatives with similar risk reduction and less cost, such as an open water capping alternative, are considered as options.

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